Lincoln Electric Welding System IM557 User Manual

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IM557  
August, 2005  
Synergic 7 and 7H  
For use with machine Code Numbers 10250 and 10251  
Safety Depends on You  
Lincoln arc welding and cutting  
equipment is designed and built  
with safety in mind. However, your  
overall safety can be increased by  
proper installation ... and thought-  
ful operation on your part. DO  
NOT INSTALL, OPERATE OR  
REPAIR THIS EQUIPMENT  
WITHOUT READING THIS  
MANUAL AND THE SAFETY  
PRECAUTIONS CONTAINED  
THROUGHOUT. And, most  
importantly, think before you act  
and be careful.  
R
NRTL/C  
OPERATOR’S MANUAL  
Copyright © 2005 Lincoln Global Inc.  
• World's Leader in Welding and Cutting Products •  
• Sales and Service through Subsidiaries and Distributors Worldwide •  
Cleveland, Ohio 44117-1199 U.S.A. TEL: 216.481.8100 FAX: 216.486.1751 WEB SITE: www.lincolnelectric.com  
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SAFETY  
ARC RAYS can burn.  
ELECTRIC SHOCK can  
4.a. Use a shield with the proper filter and cover  
plates to protect your eyes from sparks and  
the rays of the arc when welding or observing  
open arc welding. Headshield and filter lens  
should conform to ANSI Z87. I standards.  
kill.  
3.a. The electrode and work (or ground) circuits  
are electrically “hot” when the welder is on.  
Do not touch these “hot” parts with your bare  
skin or wet clothing. Wear dry, hole-free  
gloves to insulate hands.  
4.b. Use suitable clothing made from durable flame-resistant  
material to protect your skin and that of your helpers from  
the arc rays.  
3.b. Insulate yourself from work and ground using dry insulation.  
Make certain the insulation is large enough to cover your full  
area of physical contact with work and ground.  
4.c. Protect other nearby personnel with suitable, non-flammable  
screening and/or warn them not to watch the arc nor expose  
themselves to the arc rays or to hot spatter or metal.  
In addition to the normal safety precautions, if welding  
must be performed under electrically hazardous  
conditions (in damp locations or while wearing wet  
clothing; on metal structures such as floors, gratings or  
scaffolds; when in cramped positions such as sitting,  
kneeling or lying, if there is a high risk of unavoidable or  
accidental contact with the workpiece or ground) use  
the following equipment:  
FUMES AND GASES  
can be dangerous.  
5.a. Welding may produce fumes and gases  
hazardous to health. Avoid breathing these  
• Semiautomatic DC Constant Voltage (Wire) Welder.  
• DC Manual (Stick) Welder.  
fumes and gases.When welding, keep  
your head out of the fume. Use enough  
• AC Welder with Reduced Voltage Control.  
ventilation and/or exhaust at the arc to keep  
fumes and gases away from the breathing zone. When  
welding with electrodes which require special  
ventilation such as stainless or hard facing (see  
instructions on container or MSDS) or on lead or  
cadmium plated steel and other metals or coatings  
which produce highly toxic fumes, keep exposure as  
low as possible and below Threshold Limit Values (TLV)  
using local exhaust or mechanical ventilation. In  
confined spaces or in some circumstances, outdoors, a  
respirator may be required. Additional precautions are  
also required when welding on galvanized steel.  
3.c. In semiautomatic or automatic wire welding, the electrode,  
electrode reel, welding head, nozzle or semiautomatic  
welding gun are also electrically “hot”.  
3.d. Always be sure the work cable makes a good electrical  
connection with the metal being welded. The connection  
should be as close as possible to the area being welded.  
3.e. Ground the work or metal to be welded to a good electrical  
(earth) ground.  
5.b. Do not weld in locations near chlorinated hydrocarbon vapors  
coming from degreasing, cleaning or spraying operations.  
The heat and rays of the arc can react with solvent vapors to  
form phosgene, a highly toxic gas, and other irritating  
products.  
3.f. Maintain the electrode holder, work clamp, welding cable and  
welding machine in good, safe operating condition. Replace  
damaged insulation.  
3.g. Never dip the electrode in water for cooling.  
5.c. Shielding gases used for arc welding can displace air and  
cause injury or death. Always use enough ventilation,  
especially in confined areas, to insure breathing air is safe.  
3.h. Never simultaneously touch electrically “hot” parts of  
electrode holders connected to two welders because voltage  
between the two can be the total of the open circuit voltage  
of both welders.  
5.d. Read and understand the manufacturer’s instructions for this  
equipment and the consumables to be used, including the  
material safety data sheet (MSDS) and follow your  
employer’s safety practices. MSDS forms are available from  
your welding distributor or from the manufacturer.  
3.i. When working above floor level, use a safety belt to protect  
yourself from a fall should you get a shock.  
3.j. Also see Items 6.c. and 8.  
5.e. Also see item 1.b.  
Mar ‘95  
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SAFETY  
WELDING SPARKS can  
cause fire or explosion.  
CYLINDER may explode  
if damaged.  
6.a. Remove fire hazards from the welding area.  
If this is not possible, cover them to prevent  
7.a. Use only compressed gas cylinders  
containing the correct shielding gas for the  
the welding sparks from starting a fire.  
Remember that welding sparks and hot  
materials from welding can easily go through small cracks  
and openings to adjacent areas. Avoid welding near  
hydraulic lines. Have a fire extinguisher readily available.  
process used and properly operating  
regulators designed for the gas and  
pressure used. All hoses, fittings, etc. should be suitable for  
the application and maintained in good condition.  
7.b. Always keep cylinders in an upright position securely  
chained to an undercarriage or fixed support.  
6.b. Where compressed gases are to be used at the job site,  
special precautions should be used to prevent hazardous  
situations. Refer to “Safety in Welding and Cutting” (ANSI  
Standard Z49.1) and the operating information for the  
equipment being used.  
7.c. Cylinders should be located:  
Away from areas where they may be struck or subjected to  
physical damage.  
6.c. When not welding, make certain no part of the electrode  
circuit is touching the work or ground. Accidental contact  
can cause overheating and create a fire hazard.  
•A safe distance from arc welding or cutting operations and  
any other source of heat, sparks, or flame.  
7.d. Never allow the electrode, electrode holder or any other  
electrically “hot” parts to touch a cylinder.  
6.d. Do not heat, cut or weld tanks, drums or containers until the  
proper steps have been taken to insure that such procedures  
will not cause flammable or toxic vapors from substances  
inside. They can cause an explosion even though they have  
been “cleaned”. For information, purchase “Recommended  
Safe Practices for the Preparation for Welding and Cutting of  
Containers and Piping That Have Held Hazardous  
Substances”, AWS F4.1 from the American Welding Society  
(see address above).  
7.e. Keep your head and face away from the cylinder valve outlet  
when opening the cylinder valve.  
7.f. Valve protection caps should always be in place and hand  
tight except when the cylinder is in use or connected for  
use.  
7.g. Read and follow the instructions on compressed gas  
cylinders, associated equipment, and CGA publication P-l,  
“Precautions for Safe Handling of Compressed Gases in  
Cylinders,” available from the Compressed Gas Association  
1235 Jefferson Davis Highway, Arlington, VA 22202.  
6.e. Vent hollow castings or containers before heating, cutting or  
welding. They may explode.  
6.f. Sparks and spatter are thrown from the welding arc. Wear oil  
free protective garments such as leather gloves, heavy shirt,  
cuffless trousers, high shoes and a cap over your hair. Wear  
ear plugs when welding out of position or in confined places.  
Always wear safety glasses with side shields when in a  
welding area.  
FOR ELECTRICALLY  
powered equipment.  
6.g. Connect the work cable to the work as close to the welding  
area as practical. Work cables connected to the building  
framework or other locations away from the welding area  
increase the possibility of the welding current passing  
through lifting chains, crane cables or other alternate cir-  
cuits. This can create fire hazards or overheat lifting chains  
or cables until they fail.  
8.a. Turn off input power using the disconnect  
switch at the fuse box before working on  
the equipment.  
8.b. Install equipment in accordance with the U.S. National  
Electrical Code, all local codes and the manufacturer’s  
recommendations.  
6.h. Also see item 1.c.  
8.c. Ground the equipment in accordance with the U.S. National  
Electrical Code and the manufacturer’s recommendations.  
Mar ‘95  
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SAFETY  
5. Toujours porter des lunettes de sécurité dans la zone de  
soudage. Utiliser des lunettes avec écrans lateraux dans les  
zones où l’on pique le laitier.  
PRÉCAUTIONS DE SÛRETÉ  
Pour votre propre protection lire et observer toutes les instruc-  
tions et les précautions de sûreté specifiques qui parraissent  
dans ce manuel aussi bien que les précautions de sûreté  
générales suivantes:  
6. Eloigner les matériaux inflammables ou les recouvrir afin de  
prévenir tout risque d’incendie dû aux étincelles.  
7. Quand on ne soude pas, poser la pince à une endroit isolé de  
la masse. Un court-circuit accidental peut provoquer un  
échauffement et un risque d’incendie.  
Sûreté Pour Soudage A L’Arc  
1. Protegez-vous contre la secousse électrique:  
a. Les circuits à l’électrode et à la piéce sont sous tension  
quand la machine à souder est en marche. Eviter toujours  
tout contact entre les parties sous tension et la peau nue  
ou les vétements mouillés. Porter des gants secs et sans  
trous pour isoler les mains.  
b. Faire trés attention de bien s’isoler de la masse quand on  
soude dans des endroits humides, ou sur un plancher  
metallique ou des grilles metalliques, principalement dans  
les positions assis ou couché pour lesquelles une  
grande partie du corps peut être en contact avec la  
masse.  
8. S’assurer que la masse est connectée le plus prés possible  
de la zone de travail qu’il est pratique de le faire. Si on place  
la masse sur la charpente de la construction ou d’autres  
endroits éloignés de la zone de travail, on augmente le risque  
de voir passer le courant de soudage par les chaines de lev-  
age, câbles de grue, ou autres circuits. Cela peut provoquer  
des risques d’incendie ou d’echauffement des chaines et des  
câbles jusqu’à ce qu’ils se rompent.  
9. Assurer une ventilation suffisante dans la zone de soudage.  
Ceci est particuliérement important pour le soudage de tôles  
galvanisées plombées, ou cadmiées ou tout autre métal qui  
produit des fumeés toxiques.  
c. Maintenir le porte-électrode, la pince de masse, le câble  
de soudage et la machine à souder en bon et sûr état  
defonctionnement.  
d.Ne jamais plonger le porte-électrode dans l’eau pour le  
refroidir.  
10. Ne pas souder en présence de vapeurs de chlore provenant  
d’opérations de dégraissage, nettoyage ou pistolage. La  
chaleur ou les rayons de l’arc peuvent réagir avec les  
vapeurs du solvant pour produire du phosgéne (gas forte-  
ment toxique) ou autres produits irritants.  
e. Ne jamais toucher simultanément les parties sous tension  
des porte-électrodes connectés à deux machines à soud-  
er parce que la tension entre les deux pinces peut être le  
total de la tension à vide des deux machines.  
f. Si on utilise la machine à souder comme une source de  
courant pour soudage semi-automatique, ces precautions  
pour le porte-électrode s’applicuent aussi au pistolet de  
soudage.  
11. Pour obtenir de plus amples renseignements sur la sûreté,  
voir le code “Code for safety in welding and cutting” CSA  
Standard W 117.2-1974.  
2. Dans le cas de travail au dessus du niveau du sol, se pro-  
téger contre les chutes dans le cas ou on recoit un choc. Ne  
jamais enrouler le câble-électrode autour de n’importe quelle  
partie du corps.  
PRÉCAUTIONS DE SÛRETÉ POUR  
LES MACHINES À SOUDER À  
TRANSFORMATEUR ET À  
REDRESSEUR  
3. Un coup d’arc peut être plus sévère qu’un coup de soliel,  
donc:  
a. Utiliser un bon masque avec un verre filtrant approprié  
ainsi qu’un verre blanc afin de se protéger les yeux du  
rayonnement de l’arc et des projections quand on soude  
ou quand on regarde l’arc.  
b. Porter des vêtements convenables afin de protéger la  
peau de soudeur et des aides contre le rayonnement de  
l‘arc.  
1. Relier à la terre le chassis du poste conformement au code  
de l’électricité et aux recommendations du fabricant. Le dis-  
positif de montage ou la piece à souder doit être branché à  
une bonne mise à la terre.  
c. Protéger l’autre personnel travaillant à proximité au  
soudage à l’aide d’écrans appropriés et non-inflamma-  
bles.  
2. Autant que possible, I’installation et l’entretien du poste  
seront effectués par un électricien qualifié.  
3. Avant de faires des travaux à l’interieur de poste, la  
debrancher à l’interrupteur à la boite de fusibles.  
4. Des gouttes de laitier en fusion sont émises de l’arc de  
soudage. Se protéger avec des vêtements de protection  
libres de l’huile, tels que les gants en cuir, chemise épaisse,  
pantalons sans revers, et chaussures montantes.  
4. Garder tous les couvercles et dispositifs de sûreté à leur  
place.  
Mar. ‘93  
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for selecting a QUALITY product by Lincoln Electric. We want you  
to take pride in operating this Lincoln Electric Company product  
••• as much pride as we have in bringing this product to you!  
Thank You  
Please Examine Carton and Equipment For Damage Immediately  
When this equipment is shipped, title passes to the purchaser upon receipt by the carrier. Consequently, Claims  
for material damaged in shipment must be made by the purchaser against the transportation company at the  
time the shipment is received.  
Please record your equipment identification information below for future reference. This information can be  
found on your machine nameplate.  
Product _________________________________________________________________________________  
Model Number ___________________________________________________________________________  
Code Number or Date Code_________________________________________________________________  
Serial Number____________________________________________________________________________  
Date Purchased___________________________________________________________________________  
Where Purchased_________________________________________________________________________  
Whenever you request replacement parts or information on this equipment, always supply the information you  
have recorded above. The code number is especially important when identifying the correct replacement parts.  
On-Line Product Registration  
- Register your machine with Lincoln Electric either via fax or over the Internet.  
• For faxing: Complete the form on the back of the warranty statement included in the literature packet  
accompanying this machine and fax the form per the instructions printed on it.  
• For On-Line Registration: Go to our WEB SITE at www.lincolnelectric.com. Choose “Quick Links” and then  
“Product Registration”. Please complete the form and submit your registration.  
Read this Operators Manual completely before attempting to use this equipment. Save this manual and keep it  
handy for quick reference. Pay particular attention to the safety instructions we have provided for your protection.  
The level of seriousness to be applied to each is explained below:  
WARNING  
This statement appears where the information must be followed exactly to avoid serious personal injury or  
loss of life.  
CAUTION  
This statement appears where the information must be followed to avoid minor personal injury or damage to  
this equipment.  
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TABLE OF CONTENTS  
Page  
Installation .......................................................................................................Section A  
Technical Specifications ........................................................................................A-1  
General Description...............................................................................................A-2  
Recommended Processes and Equipment ...........................................................A-2  
Standard Features.................................................................................................A-2  
Keypad and Display Description............................................................................A-4  
Safety Precautions ................................................................................................A-5  
Installation of the Synergic 7 Components ............................................................A-5  
Attaching Wire Reel Stand..............................................................................A-5  
Wire Feed Drive Roll and Guide Tube Kits............................................................A-6  
Standard 4-Roll Kits (KS655 and KS656) .......................................................A-6  
Procedure to Install Drive Roll and Guide Tubes...................................................A-6  
Gun and Cable Assemblies ...................................................................................A-7  
GMAW Guns...................................................................................................A-7  
Innershield Guns.............................................................................................A-7  
Gun and Cable Connections..................................................................................A-7  
Wire Feeder to Gun.........................................................................................A-7  
For GMA Gun Cables......................................................................................A-7  
Synergic 7 Water Connections ..............................................................................A-8  
GMAW Shielding Gas............................................................................................A-8  
Gas Guard Regulator......................................................................................A-8  
Electrical Installation..............................................................................................A-9  
Optional Features Installation..............................................................................A-10  
Operation ............................................................................................................Section B  
Safety Precautions ................................................................................................B-1  
Duty Cycle .............................................................................................................B-1  
Keypad Setup and Operation ................................................................................B-1  
Procedure Selector Switch ....................................................................................B-4  
Dual Procedure Remote Control (K1449-1)...........................................................B-4  
Wire Reel Loading .................................................................................................B-5  
Idle Roll Pressure Setting ......................................................................................B-9  
Gas Guard Regulator Setting ................................................................................B-9  
Making a Weld.....................................................................................................B-10  
Wire Reel Changing.............................................................................................B-10  
Wire Feed Overload Protection ...........................................................................B-10  
Grounding Lead Protector ...................................................................................B-11  
Explanation of Prompting and Error Messages ...................................................B-11  
Accessories.....................................................................................................Section C  
Optional Features..................................................................................................C-1  
Maintenance ....................................................................................................Section D  
Safety Precautions ................................................................................................D-1  
Routine Maintenance.............................................................................................D-1  
Periodic Maintenance............................................................................................D-1  
Troubleshooting..............................................................................................Section E  
Safety Precautions.................................................................................................E-1  
Troubleshooting Guide ..........................................................................................E-2  
Procedure for Replacing PC Boards....................................................................E-12  
Diagrams ..........................................................................................................Section F  
Wiring.....................................................................................................................F-1  
Input Connection....................................................................................................F-2  
Dimension Print......................................................................................................F-3  
Parts Lists...................................................................................................P-278 Series  
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A-1  
A-1  
INSTALLATION  
TECHNICAL SPECIFICATIONS – SYNERGIC 7 AND 7H  
WIRE FEEDER - (4 - ROLL)  
Model  
Type  
SYNERGIC 7  
SYNERGIC 7H  
K631-3  
K631-4  
Wire Speed Range:  
IPM  
M/M  
50 - 770  
1.25 - 19.5  
80 - 1200  
2.00 - 30.5  
Wire Size Capabilities:  
Solid Electrodes  
.025 - 1/16”  
0.6 - 1.6mm  
.025 - .045”  
0.6 - 1.2mm  
Cored Electrodes  
Input Power:  
.045 - 3/32”  
1.2 - 2.4mm  
.045”  
1.2mm  
40-42 V 10%  
50/60 Hz  
4.0 Amps  
Temperature Rating:  
Operating  
-20°C to +40°C  
-40°C to +40°C  
Storage  
The following is for both the Synergic 7 and  
Synergic 7H models:  
Size & Weight  
4-Roll Feeder:  
Without Wire Stand With K377 Wire Stand  
Length  
Width  
Height  
Total Weight  
(Less Electrode)  
269 mm (10.60")  
295mm (11.60”)  
282mm (11.11”)  
12.9 kg (28.5 lbs.)  
550 mm (21.66")  
295mm (11.60”)  
432mm (17.00”)  
17.5 kg (38.5 lbs.)  
SYNERGIC 7 & 7H  
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A-2  
A-2  
INSTALLATION  
b) Feeds .045 - (1.2mm) cored wire for Outershield  
GMA or Innershield processes.  
GENERAL DESCRIPTION  
The Synergic 7 is a semiautomatic constant speed wire  
feeder designed specifically for use with the Invertec Power  
Wave type power sources. A serial communication link is  
supplied through the control cable of the Synergic 7  
enabling information to be shared between the power  
source and wire feeder. The Synergic 7 comes factory  
equipped with a gas solenoid valve with gas fittings and  
standard Lincoln gun connector. These models includes a  
3-1/2 digit LED display with rotating knob encoder controls  
for setting the wire feed speed and voltage and a dual pro-  
cedure selector switch. A tactile-feel keypad provides  
selection of operating mode, function selection, timer and  
crater fill selection and parameter adjustment. Two keys  
provide Cold Feed and Gas Purge functions, and connector  
receptacles are provided for an optional dual procedure  
remote control and dual procedure switch.  
Recommended power sources are The Lincoln  
Electric Company Synergic type Invertec® Power  
Wave power sources with 42VAC auxiliary power, and  
a 14-pin connector receptacle.  
STANDARD FEATURES  
Wire Drive Features:  
Wire Drive Unit - Incorporates low voltage permanent  
magnet motor and highly efficient two-reduction spur  
gearbox which operates in any position. The non-fluid  
lubricant won’t leak.  
“Quick Release” Wire Feed System - Provides a  
completely tool-less means for releasing and opening  
the idle roll pressure arm, precisely adjusting the idle  
roll pressure and changing the incoming and outgoing  
guide tubes and drive rolls.  
The unit has 3 operating modes: 2-step trigger, 4-step trig-  
ger and spot. Three functions can be selected: Volts or  
Trim Preset/arc (memory) voltmeter, Run-in speed and weld  
speed (IPM or m/min.) or (memory) ammeter. In addition,  
when 4-step trigger mode is selected, crater fill WFS is also  
adjustable. Up to three timers are available depending on  
the mode: preflow, postflow and spot, and 5 acceleration  
rates are selectable, as well as 6 Burnback settings.  
Drive Rolls and Guide Tubes - Provide long life,  
positive feeding and precise alignment of electrode.  
Minimizes “birdnest” or mill-thru of wire if properly set.  
(Ordered separately.)  
The Synergic 7 is available in 2 models:  
Tachometer Feedback - Provides proper wire feed  
acceleration and speed accuracy, independent of fluc-  
tuations in line voltage and wire loading, for reliable  
arc starting and weld consistency.  
Ordering  
Information Model  
Speed Range Wire Size Range  
IPM (m/m)  
Drive  
IN. (MM)  
K631-3  
K631-4  
Synergic  
7
4-Roll  
50 - 770  
(1.25 - 19.5)  
.025 - 3/32  
(0.6 - 2.4)  
Run-in Speed Setting - Allows the arc striking speed  
“Run-in” to be adjusted independently of the weld feed  
speed for starting optimization.  
Synergic  
7H  
4-Roll  
80 - 1200  
(2.00 - 30.5)  
.025 - .045  
(0.6 - 1.2)  
Cold Feed Speed - Provides cold feed speed adjustment  
independent of weld, run-in and crater speeds.  
RECOMMENDED PROCESSES  
AND EQUIPMENT  
Selectable Acceleration - Provides front panel selec-  
tion of 5 acceleration rates. This feature in combina-  
tion with Run-in Speed provides the ability to easily  
optimize starting on any process or procedure.  
The Synergic 7 wire feed unit has the following wire  
feeding capabilities:  
Solid-State Dynamic Braking - Quickly stops wire feed  
motor to minimize wire overrun during weld termina-  
tion. Solid-state design requires no maintenance.  
a) Feeds .025 - 1/16” (0.6-1.6mm) solid wire for  
gas-metal-arc processes.  
b) Feeds .045 - 3/32” (1.2-2.4mm) cored wire for Outershield  
GMA or Innershield processes up to 5/64” (2.0 mm).  
The Synergic 7H wire feed unit has the following wire  
feeding capabilities:  
a) Feeds .025 - .045” (0.6-1.2mm) solid wire for  
gas-metal-arc processes.  
SYNERGIC 7 & 7H  
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A-3  
A-3  
INSTALLATION  
Crater Fill - Provides crater feed speed adjustment (in  
4-step trigger mode) independent of weld, cold inch,  
or run-in speeds.  
2-Step or 4-Step Trigger Modes - Unit operates only  
when trigger is pressed in 2-Step mode (normal) oper-  
ation. 4-Step Trigger Mode eliminates the need to  
hold the gun trigger closed while welding. Both mod-  
els have user selectable 4-step with crater fill, or as  
shipped, 4-step with current interlock.  
Solid-State Overload Protection - No circuit breaker  
to reset. Front panel display indicates time remaining  
before automatic reset.  
Gas Preflow and Postflow Timers - Allows setting of  
shielding gas preflow time (0-2.5 seconds) before  
welding arc starts, and gas postflow time  
(0-9.9 seconds), after welding arc stops.  
Gas Solenoid Valve - Complete with inlet fittings for  
easy installation of gas is standard on Synergic 7  
models. Also available as an option (K659-1) a Gas  
Guard regulator for flow surge suppression.  
Crater Fill - Allows setting of crater fill WFS (when 4-  
step with crater fill trigger mode is selected), indepen-  
dent of weld, cold feed, and run-in speeds.  
English/Metric Speed Display - Provides front panel  
selection of speed display in units of IPM or M/M.  
4-Roll Drive - Both models employ 4-Roll Drive, with  
2 driven rolls, providing optimal feeding force for prob-  
lem feeding situations, with low wire deformation for  
improved feeding of soft wires.  
Selectable Burnback Time - Provides front panel  
selection of 6 Burnback times. This feature provides  
selectable Burnback time (default = 0ms) if required to  
prevent electrode from sticking in weld puddle at finish  
of weld.  
Control Features:  
Spot Mode - Allows a single timed weld cycle each  
time the gun trigger is held closed. Duration (0.2-9.9  
seconds) is set by the Spot ON timer.  
Microcomputer Based Control - Provides precise  
setting and display of all parameters and precision  
timing functions. Optimizes wire drive control for crisp  
acceleration and smooth response with precise  
repeatability. Allows synergic control of various weld-  
ing processes by communicating information over a  
serial link to the compatible power source.  
Digital “Memory” Voltmeter - Displays arc voltage  
from 0 to 80V DC, when welding gun trigger is activat-  
ed, with automatic polarity indication for positive or  
negative electrode. The last welding voltage moni-  
tored at end of weld is displayed for 5 seconds after  
weld has stopped. This allows checking actual volt-  
age after weld has stopped.  
Display and Indicator Lights - Wide temperature  
range, long life, 3-1/2 digit 7-segment LED display  
with .56” (14.2mm) character height permits easy  
viewing even from long gun cable distances.  
Individual red indicator lights are high intensity LED’s  
for viewing at almost any angle. Mode and Timer func-  
tion keys and indicator lights are concealed behind a  
hinged “drop-door” cover.  
Digital “Memory” Ammeter - Weld Feed Speed  
(WFS) display may be selectable to display welding  
amps only while welding and the last welding amps  
monitored at the end of the weld will be displayed for  
5 seconds after the weld has stopped. This allows  
checking actual weld current after the weld has  
stopped.  
Encoder Controls - Rotating encoders provide con-  
tinuous knob control for setting both Wire Feed Speed  
and Volts/Trim procedures.  
Power-down Save - All settings, including mode,  
Run-in speed, cold feed speed, crater speed, weld  
speed, timers, English-Metric units and acceleration  
are automatically saved when power is removed. This  
feature does not require batteries and when power is  
restored it will automatically return all settings to the  
state they were in when power was removed.  
However, the power source may overwrite any or all  
of these parameters after Power-Up Recall is com-  
plete.  
Procedure Switch - Permits selection of A or B pro-  
cedures, as set by the procedure controls and memo-  
ry pair selected at the Power Wave power source.  
Setting switch to center “Gun Switch” position allows  
selection of A or B procedures with the optional Dual  
Procedure Switch.  
Keypad - Consists of 7 membrane keys with tactile-  
feel embossed domes. All keys are generously  
spaced to provide easy selection, even if wearing  
welding gloves.  
SYNERGIC 7 & 7H  
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A-4  
A-4  
INSTALLATION  
Function Select key enables operator to choose which  
function will be displayed as shown by the appropriate  
indicator light. Pressing the key causes lights to sequence  
(top to bottom) starting from the current indicated position.  
The function displayed will be adjustable with the rotating  
encoder controls or arrow keys:  
K E Y P A D A N D D I S P L A Y  
DESCRIPTION  
VOLTS/ TRIM  
RUN-IN  
V
WFS  
Keypad - Seven key, membrane  
type with “snap” tactile feel and  
L9571-1  
Adjusting either encoder knob automatically transfers dis-  
play (and indicator light) to the function being adjusted.  
COLD FEED  
GAS PURGE  
embossed domes.  
Long life  
design. Spatter resistant surface.  
Top Light - Indicates display of preset voltage or percent  
trim when not welding and arc voltage while welding (as  
indicated by top light “blinking”), and continues for 5 sec-  
onds after the weld has stopped (memory vpltmeter). The  
power source automatically determines whether preset  
voltage or percent trim will be displayed, and adjustable  
with Volts/Trim rotating encoder control.  
VOLTS/ TRIM  
V
Display - 3-1/2 digit 7-segment  
LED with (+) or (-) polarity indica-  
tors. .56” (14.2mm) character  
height. Displays arc voltage in  
volts, wire speed in IPM or m/m and  
all timers in seconds.  
RUN-IN  
WFS  
POSTFLOW  
PREFLOW  
2-STEP  
STD  
2
1
4-STEP  
LOCK  
CRATER  
SPOT  
SPOT  
Middle Light - Indicates Run-in speed is being displayed.  
As shipped, these models are setup for a 50 IPM  
(1.27m/min) fixed run-in speed with display function deac-  
tivated. They may be user-selected to activate or deacti-  
vate adjustable Run-in display, and setting with arrow  
keys.  
Indicator Lights - Extra bright red  
LED’s for viewing at almost any  
angle. Always indicates the mode  
being used and which function or  
timer is being displayed.  
Bottom Light - Indicates Weld Feed Speed (WFS) is being  
displayed, and is adjustable with the Wire Feed Speed  
rotating encoder control. If selected, this light will “blink”  
while welding, indicating that the display has been select-  
ed to display welding amps, and continues for 5 seconds  
after the weld is stopped (memory ammeter).  
Cold Feed key energizes the wire  
feeder but not the power source or  
solenoid valve. Cold feed speed is  
adjustable and is displayed only  
while pressing Cold Feed, and the  
last speed selected is stored in  
memory for the next Cold feeding.  
Timer/Crater Select key enables operator to choose spot  
or gas timers, or crater speed as indicated by the appro-  
priate light. Pressing the key causes lights to sequence  
(left to right, top to bottom) starting from the current indi-  
cated selection. Any parameter not available in the mode  
selected is skipped over.  
2
1
COLD FEED  
GAS PURGE  
CRATER  
SPOT  
Top Left Light - indicates preflow time is being displayed in  
seconds.  
Gas Purge key energizes the sole-  
noid valve but not the wire feeder or  
power source.  
Top Right Light - indicates postflow time is being dis-  
played in seconds.  
Middle Light - indicates Crater Feed Speed is being dis-  
played. This display will only occur if 4-step mode with  
crater fill is selected.  
Mode Select key enables operator  
to choose mode of operation shown  
by the indicator lights. Pressing key  
causes mode lights to sequence  
(top to bottom) starting from the  
current indicated selection.  
2-STEP  
STD  
Bottom Light - indicates spot on time is being displayed in  
seconds.  
4-STEP  
LOCK  
Increase arrow key increases the setting of the para-  
meter selected to be displayed. Arrow keys do not  
function for Wire Feed Speed or Volts/Trim settings,  
which are adjusted using the rotating encoder knobs.  
SPOT  
Top Light - Indicates 2-step (stan-  
dard) trigger mode.  
Middle Light - Indicates 4-step  
(lock) trigger mode. This mode may  
be selected to include crater fill or  
weld current interlock.  
Decrease arrow key decreases the setting of the para-  
meter selected to be displayed. Arrow keys do not  
function for Wire Feed Speed or Volts/Trim settings,  
which are adjusted using the rotating encoder knobs.  
Bottom Light - Indicates spot weld  
mode.  
SYNERGIC 7 & 7H  
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A-5  
A-5  
INSTALLATION  
INSTALLATION OF THE SYNERGIC 7 COMPONENTS  
Safety Precautions  
WARNING  
ELECTRIC SHOCK can kill.  
• Do not touch electrically live parts such  
as output terminals or internal wiring.  
When inching with gun trigger, electrode and  
drive mechanism are “hot” to work and  
ground and could remain energized several  
seconds after the gun trigger is released.  
• Turn OFF input power at welding power  
source before installation or changing  
drive roll and/or guide tubes.  
• Welding power source must be connected  
to system ground per the National  
Electrical Code or any applicable local  
codes.  
Only qualified personnel should  
perform this installation.  
Observe all additional Safety Guidelines detailed  
throughout this manual.  
Attaching Wire Reel Stand  
The mounting hardware for mounting the wire reel  
stand is included with the wire feeder. (Screws and  
washers are inserted in their respective mounting  
holes.) To connect:  
1) Remove the three 3/8" (9.5 mm) hex head screws  
from the back of the wire feed unit.  
2) Place the wire reel stand mounting bracket in posi-  
tion against the back of the wire feed unit.  
3) Replace and tighten the screws. The long screw  
and plain washer go into the top hole.  
SYNERGIC 7 & 7H  
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A-6  
A-6  
INSTALLATION  
Wire Feed Drive Roll and Guide Tube Kits  
PROCEDURE TO INSTALL DRIVE  
ROLL AND GUIDE TUBES  
NOTE: The maximum sizes the Synergic 7 will feed  
satisfactorily are the 3/32” (2.4mm) cored and  
1/16” (1.6mm) solid electrodes. The maximum  
sizes the Synergic 7H will feed satisfactorily are  
the .045 (1.2mm) cored and .045” (1.2mm) solid  
electrodes.  
WARNING  
ELECTRIC SHOCK can kill.  
• Do not touch electrically live parts such  
as output terminals or internal wiring.  
When inching with gun trigger, electrode and  
drive mechanism are “hot” to work and  
ground and could remain energized several  
seconds after the gun trigger is released.  
• Turn OFF input power at welding power  
source before installation or changing  
drive roll and/or guide tubes.  
The electrode sizes that can be fed with each  
roll and guide tube are stencilled on each part.  
Check the kit for proper components.  
• Welding power source must be connected  
to system ground per the National  
Electrical Code or any applicable local  
codes.  
Only qualified personnel should  
perform this installation.  
Steel Wire Sizes:  
4-Roll  
* .068 - 3/32” (1.7 - 2.4mm) Cored  
* 1/16” (1.6mm) Cored or Solid  
.045 - .052” (1.2 - 1.4mm) Solid  
.045 - .052” (1.2 - 1.4mm) Cored  
.035” (0.9-1.0mm) Cored  
.035” (0.9-1.0mm) Solid  
KS655-3/32  
KS655-1/16  
KS655-052S  
KS655-052C  
KS655-035C  
KS655-035S  
KS655-030S  
KS655-025S  
Observe all additional Safety Guidelines detailed  
throughout this manual.  
.030” (0.8mm) Solid  
.023” (0.6mm) Solid  
Aluminum Wire Sizes:  
1/16” (1.6mm)  
Standard 4-Roll Kits (KS655 and KS656)  
KS656-1/16A  
KS647-1/16A**  
KS656-3/64A  
KS647-3/64A**  
KS647-040A**  
KS656-035A  
1) Turn OFF welding power source.  
3/64” (1.2mm)  
2) Release both quick release levers by sliding the  
levers sideways into the open positions.  
.040” (1.0mm)  
.035” (0.9mm)  
3) Remove clamping screw & clamping collar from the  
drive shaft closest to the incoming side of the feed-  
er.  
Drive rolls for only cored electrode sizes are stencilled  
with a “C” suffix to the wire sizes.  
4) Install drive roll onto keyed shaft. (Do not exceed  
the maximum wire size rating of the wire drive.)  
Replace collar and tighten clamping screw.  
Drive rolls for only solid electrode sizes are stencilled  
with an “S” suffix to the wire sizes.  
5) Back out the set screw for the middle guide tube.  
Install the middle guide tube and slide it up against  
the drive roll. DO NOT TIGHTEN THE MIDDLE  
GUIDE AT THIS TIME.  
Drive rolls for aluminum wire sizes are stencilled with an  
“A” suffix to the wire sizes.  
* Not for Synergic 7H model.  
** For use with Binzel European guns. Installation  
instructions are included with these kits. Also  
requires K489-2 Fast-Mate Adapter.  
6) Install the outgoing drive roll following the same  
procedure as steps 3 & 4.  
7) Center the middle guide between the two drive rolls  
and tighten in place.  
SYNERGIC 7 & 7H  
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A-7  
A-7  
Gun Cable Connection: Wire Feeder to Gun  
INSTALLATION  
8) Back out the screws for the incoming and outgoing  
guide tubes.  
Lay the cable out straight. Insert the connector on the  
welding conductor cable through the large hole in the  
front panel of the Synergic 7 and into the brass con-  
ductor block on the front of the gearbox. Make sure it  
is all the way in and tighten the hand wheel. Keep this  
connection clean and bright. Connect the control  
cable polarized plug into the mating 5 cavity recepta-  
cle on the front of the control section below the key-  
pad.  
9) Install the longer guide tube in the rear hole near  
the incoming drive roll. Slide the tube in until it  
almost touches the roll. Tighten in place.  
10) Install the remaining guide tube in the front hole.  
Be certain that the proper plastic insert is used.  
Fine wire chisel point tube must have largest  
radius next to drive roll. Tighten in place.  
11) Re-latch both quick release levers.  
For GMA Gun Cables:  
12) To start new electrode, straighten the first 6"  
(150mm) and cut off the first 1" (25 mm). Insert  
free end through the incoming tube. Press gun  
trigger and push wire into the drive roll.  
Install the barbed fitting and union nut to the 5/8-18  
female inert gas fitting on the front of the Synergic 7  
wire drive. Connect the 3/16" I.D. gas hose from the  
gun cable to the barbed fitting. When the gun is to be  
removed, this fitting can be easily detached by loosen-  
ing the union nut.  
TO SET IDLE ROLL PRESSURE, see Idle Roll  
Pressure Setting.  
Gun and Cable Assemblies  
GMAW Guns  
An expanding line of Magnum gun and cable assem-  
blies are available to allow welding with solid and  
cored electrodes using the GMAW process. See the  
appropriate Magnum literature for descriptions of the  
200 to 550 ampere air cooled gun and cables that are  
available. Gun cable lengths range from 10 ft. (3.0 m)  
to 25 ft. (7.6 m) and feed electrode sizes .025" (0.6  
mm) to 5/64" (2.0 mm). The entire line of Magnum  
Fast-Mate gun and cable assemblies can also be  
used by installing a K489-1 Fast-Mate adapter kit.  
Innershield Guns  
K126 and K115 gun and cable assemblies are  
available to allow welding with Innershield elec-  
trodes. Gun cable lengths range from 10 ft. (3.0  
m) to 15 ft. (4.5 m). The 350 ampere K126 with  
Synergic 7 will feed electrode sizes .062" (1.6 mm)  
to 5/64" (2.0 mm). The 450 ampere K115 with  
Synergic 7 will feed 5/64" (2.0 mm) electrode.  
Three smoke extraction gun and cable assemblies  
are available, 250 ampere K309, 350 ampere K206  
and the 500 ampere K289. All gun cable lengths  
are 15 ft. (4.5 m). Both the K206 and K309 with  
Synergic 7 will feed electrode sizes .062" (1.6 mm)  
to 5/64" (2.0 mm). K289 with Synergic 7 will feed  
5/64" (2.0 mm) electrode. These guns require the  
use of the K184 vacuum unit for use with Synergic  
7.  
SYNERGIC 7 & 7H  
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A-8  
A-8  
INSTALLATION  
Synergic 7 Water Connections (for Water-  
Cooled Guns)  
GMAW Shielding Gas  
WARNING  
These Synergic 7 models must have a K590-4 Water  
Connection Kit installed. See Options Installation section.  
CYLINDER may explode if damaged.  
• Keep cylinder upright and chained to  
support.  
• Keep cylinder away from areas where  
it may be damaged.  
1) Using male quick-connect fittings (included with  
appropriate Synergic 7 input cable assemblies), con-  
nect the water hoses to the coolant inlet and outlet on  
the back of the Synergic 7. Connect the other ends of  
these hoses to the appropriate ports on the water  
cooling units.  
• Never lift welder with cylinder attached.  
• Never allow welding electrode to touch cylinder.  
• Keep cylinder away from welding or other live elec-  
trical circuits.  
BUILDUP OF SHIELDING GAS may  
2) In the event the water line fittings on your water  
cooled gun are incompatible with the female quick  
connects on the front of the Synergic 7, male quick-  
connects are provided for installation on 3/16 (5 mm)  
I.D. hose (Customer to provide appropriate clamps).  
The feeder connectors self seal when disconnected.  
harm health or kill.  
Shut off shielding gas supply when not  
in use.  
SEE AMERICAN NATIONAL STANDARD Z-49.1,  
“SAFETY IN WELDING AND CUTTING” PUBLISHED  
BY THE AMERICAN WELDING SOCIETY.  
------------------------------------------------------------------------  
Customer must provide a cylinder of shielding gas, a  
pressure regulator, a flow control valve, and a hose  
from the flow valve to the gas inlet fitting of the  
Synergic 7 Wire Feed Unit.  
Connect a supply hose from the gas cylinder flow  
valve outlet to the 5/8-18 female inert gas fitting on the  
back panel of the Synergic 7 or, if used, on the inlet of  
the Gas Guard regulator. (See Below).  
Gas Guard Regulator - The Gas Guard Regulator is  
an optional accessory (K659-1) on these models.  
Install the 5/8-18 male outlet of the regulator to the  
5/8-18 female gas inlet on the back panel of the  
Synergic 7. Secure fitting with flow adjuster key at top.  
Attach gas supply to 5/8-18 female inlet of regulator  
per instructions in the “Gas Connections” Section.  
SYNERGIC 7 & 7H  
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A-9  
A-9  
INSTALLATION  
K676 - (Used with Power Wave 450) Similar to K648 but  
includes a gas hose with a 5/8-18 male fitting for the  
Synergic 7 inlet. It is rated at 500 amps, 60% duty cycle  
and is available in lengths of 7 ft. (2 m), 25 ft. (7.6 m) and 50  
ft. (15 m).  
ELECTRICAL INSTALLATION  
WARNING  
ELECTRIC SHOCK can kill.  
K640 - (Used with Power Wave 450 and Synergic 7/7H with  
water quick-connection) Similar to K648 but includes a gas  
hose with a 5/8-18 male fitting for the Synergic 7 inlet and  
water hoses with quick-connect male fittings to connect  
between the water cooler and Synergic 7 water connections.  
It is rated at 500 amps, 60% duty cycle and is available in  
lengths of 7 ft. (2 m), 25 ft. (7.6 m) and 50 ft. (15 m).  
• Do not touch electrically live parts such  
as output terminals or internal wiring.  
When inching with gun trigger, electrode and  
drive mechanism are “hot” to work and  
ground and could remain energized several  
seconds after the gun trigger is released.  
• Turn OFF input power at welding power  
source before installation or changing  
drive roll and/or guide tubes.  
• Welding power source must be connected  
to system ground per the National  
Electrical Code or any applicable local  
codes.  
K651 - (Used with Power Wave 350) Consists of an 8-con-  
ductor control cable with a 14-pin plug and 2/0 (67 mm2)  
electrode cable with Twist-Mate™ connector. It is rated at  
350 amps, 60% duty cycle and is available in lengths of 7 ft.  
(2 m), 17 ft. (5 m), 33 ft. (10 m), and 50 ft. (15 m).  
Only qualified personnel should  
perform this installation.  
K677-7 - (Used with Power Wave 350) Similar to K651 but  
includes a gas hose with a 5/8-18 male fitting for the  
Synergic 7 inlet. It is rated at 350 amps, 60% duty cycle  
and is available in 7 ft. (2 m) length.  
Observe all additional Safety Guidelines detailed throughout this manual.  
K650 - (Used with Power Wave 350 and Synergic 7/7H with  
water quick connection) Similar to K651 but includes a gas  
hose with a 5/8-18 male fitting for the Synergic 7 inlet and  
water hoses with quick-connect male fittings to connect  
between the water cooler and the Synergic 7 water connec-  
tions. It is rated at 350 amps, 60% duty cycle and is avail-  
able in lengths of 7 ft. (2 m), 17 ft. (5 m), 33 ft. (10 m) and  
50 ft. (15 m).  
Input Cable: Synergic 7 Wire Feeder to Power  
Wave Synergic Type Power Sources  
NOTE: CSAnrtl certification of the Synergic 7 models is with  
input cable assemblies identified by carton date codes  
010161, or above. These assemblies have grounding lead  
continuity between the 14-pin plug pin B and the 8-socket  
plug pin E per diagram below.  
K642 (Control Cable Only) - Consists of an 8 conductor  
control cable with a 14-pin control cable plug, without elec-  
trode cable, and is available in lengths of 7 ft (2 m), 17 ft (5  
m), 25 ft (7.6 m), 33 ft (10 m) and 50 ft (15 m).  
B=GND  
K643 (Control Cable Extension) - Consists of an 8 con-  
ductor control cable with 14-pin connectors on each end for  
extending the control cable between the power source and  
the control cables. Available in lengths of 17 ft (5 m), 25 ft  
(8 m), 33 ft (10 m) and 50 ft (15 m).  
E=GND  
14-PIN PLUG, FRONT VIEW  
8-PIN PLUG, FRONT VIEW  
K649 - (Used with Power Wave 450/500) Consists of an 8-con-  
ductor control cable with a 14-pin control cable plug and a 4/0  
(107mm ) electrode cable with Twist-Mate™ connector. It is  
2
rated at 500 amps, 60% duty cycle and is available in lengths of  
7 ft (2 m), 17 ft (5 m), 25 ft (7.6 m), 33 ft (10 m) and 50 ft (15 m).  
With input power disconnected from the power  
source, install the input cable per connection diagram  
S21041 in the rear of this manual and follow exactly  
the instructions on the diagram or perform the follow-  
ing:  
K675 - (Used with Power Wave 450/500) Similar to K649  
but includes a gas hose with a 5/8-18 male fitting for the  
Synergic 7 inlet. It is rated at 500 amps, 60% duty cycle  
and is available in lengths of 7 ft. ( 2 m), 25 ft. (7.6 m) and  
50 ft. (15 m).  
1) Connect the end of the control cable with the 14-  
pin cable plug to the mating receptacle on the  
power source.  
K641- (Used with Power Wave 450/500 and Synergic 7/7H  
with water quick connection) Similar to K649 but includes a  
gas hose with a 5/8-18 male fitting for the Synergic 7 inlet  
and water hoses with quick-connect male fittings to connect  
between the water cooler and the Synergic 7 water connec-  
tions. It is rated at 500 amps, 60% duty cycle and is avail-  
able in lengths of 7 ft. (2 m), 17 ft. (5 m), 25 ft. (7.6 m), 33 ft.  
(10 m) and 50 ft. (15 m).  
2) Connect the electrode lead of that same cable end  
to the power source output terminal of the desired  
polarity.  
K648 - (Used with Power Wave 450) Consists of an 8-con-  
3) Route the other end of the electrode cable through  
the large oval hole in the rear panel of the Synergic  
7 case. Connect to the brass block on the side of  
the gearbox using the bolt provided.  
2
ductor control cable with a 14-pin plug and a 4/0 (107 mm )  
electrode cable with stud terminal. It is rated at 500 amps,  
60% duty cycle and is available in lengths of 7 ft (2 m), 17 ft  
(5 m), 25 ft (7.6 m), 33 ft (10 m) and 50 ft (15 m).  
SYNERGIC 7 & 7H  
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A-10  
A-10  
INSTALLATION  
4) Connect the remaining end of the control cable  
with the 8-socket cable plug to the mating recepta-  
cle on the Synergic 7.  
K163 Undercarriage (Requires K303, K376, K377, or  
K378) The undercarriage includes casters, wheels, a  
handle and related hardware. Casters are mounted at  
the front and the wheels to the rear of the platform.  
The handle is bolted to the front of the platform so the  
Synergic 7 can be tilted back and wheeled like a two-  
wheel truck. Instruction sheet M13424 for assembly  
installing the K303, K376, K377, or K378 wire stand is  
provided with the undercarriage.  
5) Install the input cable under the wire reel mounting  
stand strain relief clamp. Remove the screws hold-  
ing the clamp to the base of the wire reel mounting  
assembly, put the input cable assembly under the  
clamp and reinstall the screws.  
Work Cable  
K683-1 - Dual Procedure Switch Dual Procedure  
Switch mounts to gun with appropriate bracket, provid-  
ed, per the installation instructions included with the  
kit. 3-pin switch cord plug connects to 3-pin remote  
receptacle on the front panel of the Synergic 7 Wire  
Feed Unit.  
Connect a work lead of sufficient size and length (per  
the following table) between the proper output terminal  
on the power source and the work. Be sure the con-  
nection to the work makes tight metal-to-metal electri-  
cal contact.  
Current  
Copper Work Cable Size, AWG *  
60% Duty  
K1449-1 - Dual Procedure Remote Control Provides  
remote rotating knob encoder control of Wire Feed  
Speed and Volts/Trim, along with a dual procedure  
selector switch, which disables comparable front panel  
controls when the remote control is connected.  
Up to 100 ft Length (30m)  
Cycle  
300 Amps  
00 (67 mm2)  
400 Amps  
500 Amps  
000 (85 mm2)  
000 (85 mm2)  
The 4-pin plug of the remote control connects to the  
mating receptacle on the bottom of the Synergic 7  
Control box.  
* For pulse welding applications, the next larger cable  
size is recommended.  
K590-4 - Water Connection Kit Install per the instruc-  
tions shipped with the kit.  
OPTIONAL FEATURES  
INSTALLATION  
K648, K649, K651 or K642 Input Cable Assembly  
See Electrical Installation section for instructions  
K178-1 Mounting Platform - Synergic 7 Models on  
Synergic Power Sources (Requires a K303, K376,  
K377, K378 or K445 Wire Reel Assembly) This is a  
turntable type platform for mounting the Synergic 7 on  
the top of Synergic power sources. Bolt the platform to  
the lift bail per instructions (M16260) supplied with the  
platform.  
K675, K676 or K677 Input Cable Assembly (Gas)  
See Electrical Installation and Shielding Gas  
Connections sections for instructions.  
K640, K641 or K650 Input Cable Assembly (Water &  
Gas) See Electrical Installation, Water Connections  
and Shielding gas connections sections for instruc-  
tions.  
K162-H Spindle for Mounting Readi-Reels and 2" (51  
mm) I.D. Spools (60 lb/27 kg Capacity) (For use with  
K303 and K376 Wire Reel Stand) To mount the 2" spin-  
dle kit for Readi-Reels and 10 through 60 pound  
spools, remove the shaft for the standard 50-60 pound  
wire coils from the mounting framework. Install the  
spindle per the instructions shipped with the kit.  
K376 50-60 Lb. Wire Reel Mounting Stand (without  
dust shield) and  
K303 50-60 Lb. Wire Reel Mounting Stand (with dust  
shield) The assembly includes a framework to which is  
attached the 50-60 lb. wire reel, a mounting spindle, a  
lift bail, and a cable clamp for fastening the input cable  
assembly. It is easily mounted to the basic wire feed  
unit by three bolts. The reel mounting spindle is the  
pull knob type with a built-in brake.  
When used with Readi-Reels, a Readi-Reel Adapter is  
required.  
For 8" O.D. (200 mm) spools, a K468 Spindle Adapter  
is available.  
The brake pad is adjustable for proper braking at low  
or high wire feed speeds.  
SYNERGIC 7 & 7H  
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A-11  
A-11  
INSTALLATION  
Wire Reel Dust Shield for K376 50-60 Lb. Wire Reel  
Mounting Stand - If the user desires to protect the  
wire from falling dirt and dust, there is a shield avail-  
able to cover the wire reel. Order part number  
S14543. Instructions are included with the kit.  
K1524-1 Universal Wire Reel Stand - The assembly  
includes a reel stand, a 2" (51 mm) O.D. spindle with  
adjustable brake, rubber mounting feet, and a cable  
clamp for fastening the input cable. It is easily mount-  
ed to the wire feed unit by three bolts. The wire feed-  
er reel stand assembly fits on top of the power source  
and is correctly positioned by using a hole in the base  
that accommodates the power source lift bale. The 2"  
(51mm) O.D. spindle can be set on one of two mount-  
ing locations on the stand, depending on what coil of  
wire and spindle adapter is being used. The upper  
hole mounts 50-60 lb coils, the lower hole mounts 10-  
30 lb, 13-14 lb, and 8" O.D. coils. Installation instruc-  
tions are included with the kit.  
Wire Reel Dust Shield Door for K303 and K376  
(when equipped with an S14543 shield) - In  
extremely dusty and dirty locations, this door kit can  
be added to those units having the shield kit  
(S14543). This door kit includes a hinged door and  
sliding bottom seal. When these parts are attached to  
the reel support per the instructions included, the unit  
becomes a completely enclosed housing. Order part  
number M11514.  
K1555-1 Insulated Lift Bale Kit for K1524-1 - A lift  
bale can be added to the K1524-1 Universal Wire  
Reel Stand. The K1555-1 provides electrical insula-  
tion between the wire stand assembly and the lift  
hook. It is easily mounted to the wire stand with three  
bolts and a threaded plate. Installation instructions are  
included with the kit.  
K377 - Small Mounting Stand for Readi-Reel Coils or  
10-44 Pound (4.5-20 kg) Spools with 2" I.D. - This  
assembly includes a small frame to which is attached  
a wire reel spindle similar to the K162 Spindle. The  
unit is supplied with the K363 Readi-Reel Adapter for  
using the Lincoln "Readi-Reel Electrode Coils".  
Without the adapter, the unit is capable of handling  
spools with a 2" (51mm) I.D., a 12" (30mm) maximum  
O.D., and a 4" (101mm) width. For spools with an 8"  
(200mm) O.D., a K468 spindle adapter is available.  
The spindle has an adjustable braking system. See  
Installation section “Attaching the Wire Reel Stand”  
for mounting to wire feed unit.  
K1556-1 Caster Kit for K1524-1 - A light duty caster  
kit can be added to the K1524-1 Universal Wire Reel  
Stand. The K1556-1 includes 4 2" O.D. light duty  
casters that mount in place of the rubber feet on the  
wire stand base. Installation instructions are included  
with the kit.  
K378 - Small Mounting Stand for 13-14 Pound  
Innershield Coils - This assembly includes the same  
smaller frame as used in the K377 and a fully  
enclosed canister system for de reeling of the 14  
pound (6 kg) coil. This system has a fixed brake for  
this coil. See Installation section “Attaching the Wire  
Reel Stand” for mounting to wire feed unit.  
K1557-1 Swivel Platform for K1524-1 - A swivel plat-  
form can be added to the K1524-1 Universal Wire  
Reel Stand. The K1557-1 includes a pivot top plate  
and a base assembly. The pivot top plate mounts to  
the underside of the base of the wire stand assembly  
using four screws. The swivel base mounts to the  
power source lift bale with hardware provided or it can  
be mounted to a surface of choice with four customer  
provided bolts. Installation instructions are provided  
with the kit.  
K659-1 - Gas Guard Regulator - Adjustable flow regu-  
lator with removable adjustor key for CO2 and Argon  
blend gases. Mounts onto feeder inlet, and reduces  
gas waste and arc start "blow" by reducing surge  
caused by excess pressure in supply hose.  
Install the 5/8-18 male outlet of the regulator to the  
5/8-18 female gas inlet on the back panel of the  
Synergic 7. Secure fitting with flow adjuster key at  
top. Attach gas supply to 5/8-18 female inlet of regu-  
lator per See Installation section “Shielding Gas  
Connections”.  
SYNERGIC 7 & 7H  
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B-1  
B-1  
OPERATION  
OPERATING INSTRUCTIONS  
Safety Precautions  
Mode Selection  
2-STEP  
STD  
Mode Select key ( behind “drop-  
door” cover) enables operator to  
choose mode of operation shown  
by the indicator lights. Pressing key  
causes mode lights to sequence  
(top to bottom) starting from the  
current indicated position.  
Top Light - Indicates 2-Step  
(Standard) Trigger Mode.  
1. Trigger closure energizes the  
solenoid valve, then the wire feeder  
and the power source after Preflow  
time (See Timer/ Crater Section).  
WARNING  
ELECTRIC SHOCK can kill.  
4-STEP  
LOCK  
• Do not touch electrically live parts such  
as output terminals or internal wiring.  
When inching with gun trigger, electrode and  
drive mechanism are “hot” to work and  
ground and could remain energized several  
seconds after the gun trigger is released.  
SPOT  
• Turn OFF input power at welding power  
source before installation or changing  
drive roll and/or guide tubes.  
• Welding power source must be connected  
to system ground per the National  
Electrical Code or any applicable local  
codes.  
2. Releasing the trigger turns off the  
wire feeder and power source and  
then the solenoid valve after  
Postflow time.  
Only qualified personnel should  
perform this installation.  
Middle Light - Indicates 4-Step (Lock)  
Trigger Mode. These models have selectable  
4-step with crater fill or, as shipped, 4-step  
with current interlock. (See 4-step trigger  
mode selection for method of switching).  
Observe all additional Safety Guidelines detailed  
throughout this manual.  
Duty Cycle  
The 4-step modes function as follows:  
The Synergic 7 models are rated at 60% duty cycle * for  
a maximum current of 600 amps.  
1. Trigger closure energizes the power  
source and wire feeder after the pre-  
flow time.  
* Based on a 10 minute time period (6 minutes on, and 4 minutes off).  
KEYPAD SETUP AND OPERATION  
Power-Down Save  
Power to the Synergic 7 is supplied and controlled  
from the power source. The Synergic 7 automatically  
senses the loss of power when the power source is  
turned off.  
2. Trigger release enables 4-step lock,  
leaving the feeder and power source  
as in step 1.  
a) 4-step with current interlock will only  
lock if weld current is flowing.  
Breaking weld arc stops wire feed  
and power source output.  
b) 4-step with crater fill will lock without  
welding.  
Procedure settings, including mode, crater speed,  
cold feed speed , run-in speed, weld speed, timers  
and acceleration are automatically saved when power  
is removed. Arc Voltage setting is retained by the  
synergic power source. This feature does not require  
batteries and when power is restored it will automati-  
cally return all settings to the state they were in when  
power was removed. The power source may auto-  
matically overwrite any or all of these settings follow-  
ing power-up recall.  
3. Closing the trigger a second time  
continues welding.  
a) 4-step with current interlock contin-  
ues welding without changing the  
settings from step 2.  
b) 4-step with crater fill continues weld-  
ing but changes to the crater set-  
tings.  
4. Releasing the trigger turns off wire  
feeder and power source and then  
gas solenoid after postflow time.  
Operation Keys  
Cold Feed key energizes the wire  
feeder but not the power source or  
solenoid valve. This cold feed  
speed is digitally displayed and is  
Bottom Light - Indicates Spot Weld  
Mode. Trigger closure energizes the  
solenoid valve, then wire feeder and  
the power source. The spot on timer  
starts when current flows. The wire  
feeder and power source then sole-  
noid valve are all turned off when the  
spot on timer times out even through  
the trigger is still closed.  
COLD FEED  
adjustable (with “Arrow keys”) only  
while pressing the Cold Feed Key.  
The last setting is held in memory  
for next Cold feeding.  
Gas Purge key energizes the sole-  
noid valve but not the wire feeder or  
GAS PURGE power source.  
SYNERGIC 7 & 7H  
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B-2  
B-2  
OPERATION  
The preset voltage/trim may be adjusted,  
using the Volts/Trim encoder knob. The syn-  
ergic preset voltage/trim level may be adjust-  
ed within the range synergically set by the  
power source for the process and weld Feed  
Speed being used. The power source auto-  
matically determines whether preset volt-  
age or percent trim will be displayed.  
Preset voltage is indicated by one digit only  
to the right of the decimal point, while per-  
cent trim always displays two digits to the  
right of the decimal point.  
Display Control Keys  
The function select, timer/crater  
select, arrow keys and rotational  
encoders all effect the display.  
Pressing the function select key will  
cause a function to be displayed.  
Pressing the timer/crater select key  
will cause a timer or crater feed  
speed to be displayed. Whichever  
is pressed last is the one that will  
be displayed since they cannot be  
displayed simultaneously. Only  
one function or timer indicator light  
can be on at one time and therefore  
it always indicates what is being  
displayed. The arrow keys allow  
you to adjust the Run-in speed  
timer or crater speed being dis-  
played. The encoder knobs allow  
rotational adjustment of weld wire  
feed speed and Arc Volts/Trim.  
Middle Light - Indicates Run-In Speed  
Function has been selected and the Run-In  
speed setting is being displayed in IPM or  
m/m (see section for English or Metric dis-  
play).  
As shipped these models are setup for  
minimum rated fixed Run-In speed with dis-  
play function deactivated. They may be  
user-selected to activate or deactivate  
adjustable Run-In display. (See section for  
selection of Run-In and resetting fixed Run-  
In speed).  
Note: If an indicator light is skipped, that  
parameter may not be enabled. Refer to  
section covering that parameter.  
Wire will be fed at the Run-In speed rate  
until arc current begins to flow. Once arc  
current flows, wire will be fed at the Weld  
speed rate. Decreasing Run-In speed  
below its lower limit (using the down arrow  
key) causes the display to read “- - -”. This  
indicates that the Run-In speed will be kept  
the same as the weld speed setting. You  
can reset a different Run-In speed simply  
by pressing the up arrow key.  
The Run-In speed will also be the same as  
the weld speed setting if rapid restrike  
welding applications are used, where the  
arc is restruck in a fraction of a second  
after the previous welding arc was stopped.  
Function Select key enables oper-  
VOLTS/ TRIM ator to choose which function will  
be displayed as indicated by the  
V
RUN-IN  
appropriate light. Pressing the key  
causes lights to sequence (top to  
bottom) starting from the current  
WFS  
indicated position. If a timer or  
crater speed is being displayed  
when the Function Select key is  
pressed, then the indicator light of  
the last function selected before the  
timer/crater key was chosen will  
come on and become the starting  
point for the sequencing.  
Adjusting either encoder knob automati-  
cally transfers display (and indicator light)  
to the function being adjusted (Volts/Trim  
or Wire Feed Speed).  
Bottom Light - Indicates Weld Feed  
Speed (WFS) Function has been selected  
and the weld speed setting is being dis-  
played in IPM or m/m (see section for  
English or Metric speed display). The  
range of Weld Feed Speed is synergically  
set by the power source for the process  
being used, and is adjustable using the  
Wire Feed Speed encoder knob on the  
front of the Synergic 7 Control.  
If selected (see Memory Ammeter  
Selection section), the bottom light will  
“blink” while welding, indicating that the dis-  
play has been selected to display welding  
amps. The last welding current displayed  
before the weld is stopped will continue to  
be displayed for 5 seconds after welding to  
permit operator monitoring.  
Top Light - indicates Voltmeter  
Function has been selected and arc  
voltage (in volts) will be displayed along  
with electrode polarity when the trigger  
has been pressed. When the trigger is  
not pressed, this will serve as a preset  
voltage/trim function and the preset  
voltage/trim will be displayed. The top  
light “blinks” when arc voltage is being  
displayed and stays lit when preset volt-  
age/trim is displayed. The last welding  
voltage displayed before the weld is  
stopped, will continue to be displayed  
for 5 seconds after welding to permit  
operator monitoring.  
SYNERGIC 7 & 7H  
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B-3  
B-3  
OPERATION  
Timer/Crater Select - key enables  
Acceleration Selection  
operator to choose crater speed, spot  
or gas timers as indicated by the appro-  
priate light. Pressing key causes lights  
to sequence (left to right, top to bottom)  
starting from the current indicated posi-  
tion. Any parameter not available in the  
mode selected is skipped over. If a  
function is being displayed when the  
Timer/Crater Select key is pressed,  
then the light of the last parameter  
selected before the function was cho-  
sen will come on and become the start-  
ing point for the sequencing.  
Pressing both the “Gas Purge” key and then the func-  
tion select key at the same time causes the accelera-  
tion setting to be displayed. The display will indi-  
cate “A-X” where X will be a number from 1 through 5  
with 5 being the fastest acceleration. This number  
can be adjusted using the arrow keys. To exit this  
function, press any other key except the arrow key,  
gas purge or function select key.  
2
1
CRATER  
SPOT  
GAS PURGE  
VOLTS/ TRIM  
V
RUN-IN  
WFS  
Burnback Time Selection  
If necessary, for higher wire feed speeds, burnback  
time maybe selected to prevent the electrode from  
sticking in the weld puddle a the end of the weld.  
Pressing both the Gas Purge Key then the function  
select key at the same time, displaying acceleration  
setting per above, then pressing the function key a  
second time, while holding gas purge pressed, dis-  
plays the burnback time selection. Default is “b0"  
which is zero delay. Selecting “b1" through “b5"  
increases delay from 10 m sec to 50 m sec in 10 m  
sec increments. To exit this function press any other  
key except the arrow keys, gas purge or function  
select key.  
Top Left Light - indicates preflow time  
is being displayed in seconds. This is  
the time the shielding gas flows before  
the wire feed and power source are  
activated.  
Top Right Light - indicates postflow  
time is being displayed in seconds.  
This is the time the shielding gas flows  
after the wire feed and power source  
are deactivated.  
Selection of English or Metric Speed  
Display Units  
Middle Light - indicates that crater feed  
speed is being displayed. Crater speed  
is only available when 4-step trigger  
with crater fill is selected. (See 4-step  
trigger mode selection section). It is  
activated by Step 3 and deactivated by  
Step 4 of the 4-step sequence.  
Pressing both the Gas Purge key and then  
timer select key at the same time causes the  
speed display units to toggle between IPM  
(no decimal point displayed) and m/m (a  
decimal point displayed). If the speed dis-  
play units were IPM, then they will change to  
m/m. If the speed display units were m/m,  
then they will change to IPM. If the display  
is showing the volts/trim or one of the timers  
when the keys are pressed, the display will  
be changed to weld speed to indicate the  
selected speed display units.  
GAS PURGE  
2
1
CRATER  
SPOT  
Bottom Light - indicates spot on time is  
being displayed in seconds.  
NOTE: if unit is not in spot mode then  
this light will be skipped over in the  
selection sequence.  
Run-In Selection  
Pressing both the Gas Purge key then the Cold  
Feed key at the same time causes Run-In  
function to toggle on or off, as indicated by the  
Run-In indicator light turning on or remaining  
off in the function select sequence.  
Increase Arrow - key increases the  
setting of the parameter selected to be  
displayed, except Wire Feed Speed and  
Volts/Trim which are controlled by the  
encoder knobs.  
GAS PURGE  
COLD FEED  
As shipped, the Run-In function is off with a  
fixed setting of 50 IPM (1.27 m/min.).  
Therefore, the Run-In indicator light will not  
sequence with the function select key, but the  
fixed setting will still be used for actual Run-In  
speed.  
Decrease Arrow - key decreases the  
setting of the parameter selected to be  
displayed, except Wire Feed Speed and  
Volts/Trim which are controlled by the  
encoder knobs.  
Arrow Keys use the “Accelerating  
Digit” method for setting changes,  
where holding the arrow key causes  
setting change rate to accelerate from  
slow to fast. Releasing arrow key resets  
to slow setting change.  
Activation of adjustable Run-In speed using the  
above dual key press will permit Run-In speed  
to be adjusted with the arrow keys, (See  
Section 3.3.4), and the Run-In indicator light  
will return to the function key sequence. Re-  
pressing the above dual key again removes  
the Run-In light from the function key  
sequence, but replaces the fixed Run-In speed  
with the adjusted Run-In speed setting, until  
readjusted.  
SYNERGIC 7 & 7H  
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B-4  
B-4  
OPERATION  
4-Step  
Selection  
Trigger  
Mode  
Dual Procedure Remote Control (K1449-1)  
When this option is connected to the feeder control  
receptacle the front panel knob controls are disabled  
and procedure control is transferred to the knob  
encoder controls of the remote, which function in the  
exact same manner.  
Pressing both the Gas Purge key  
and then the Trigger mode select  
key causes the 4-step mode light to  
turn on and will toggle the 4-step  
trigger mode between:  
4-step with current interlock (as shipped)  
Crater light will not turn on.  
and  
4-step with crater fill.  
Crater light will turn on for crater speed set-  
ting with arrow keys.  
(See Mode Selection and Display  
Control Keys sections).  
GAS PURGE  
2-STEP  
STD  
NOTE: The dual procedure overlay must be pre-  
sent on the Power Wave power source for the  
Procedure Selector switch to function. If this  
overlay is not used, only Procedure A will be  
selected no matter what position the Procedure  
switch is in.  
4-STEP  
LOCK  
SPOT  
If using the optional K683-1 Dual Procedure Switch to  
select A or B along with the remote, both the front  
panel and remote Procedure selector switches must  
be set to “Gun Switch” (center) position.  
Memory Ammeter Selection  
Pressing both the Gas Purge key  
then the Up Arrow key at the same  
time causes the WFS light to “blink”  
for about 3 seconds while display  
GAS PURGE shows weld amps reading with elec-  
trode polarity symbol. This indicates  
that while welding, the display will  
show welding amps, indicated by  
“blinking” WFS indicator light, which  
continues for 5 seconds after the  
weld is stopped (memory ammeter)  
before returning to displaying WFS  
(light not “blinking”.)  
Pressing both the Gas  
Purge and Up Arrow key again,  
returns WFS display to wire speed  
while welding.  
Procedure Selector Switch  
The toggle switch on the front panel provides selection  
of Procedure A or Procedure B, as set with the front  
panel knob controls. Rotating the knob encoder  
changes only the procedure selected by this switch.  
Also, this switch selects the A or B memory pair select-  
ed at the Power Wave power source.  
NOTE: The dual procedure overlay must be present  
on the Power Wave power source for the Procedure  
Selector switch to function. If this overlay is not  
used, only Procedure A will be selected no matter  
what position the Procedure switch is in.  
Setting the toggle switch to the center “Gun Switch”  
position permits the Procedure A or Procedure B to be  
selected by the optional K683-1 Dual Procedure  
Switch. The K1449-1 Dual Procedure Remote Control  
can be used with this panel Procedure Switch in any  
position.  
SYNERGIC 7 & 7H  
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B-5  
B-5  
OPERATION  
6) Set one of the Readi-Reel inside cage wires on the  
slot in the retaining spring tab.  
WIRE LOADING  
Loading a 22 to 30 Lb. (10 to 14 kg) Readi-Reel  
Package Using the Molded Plastic K363-P  
Readi-Reel Adapter:  
7) Lower the Readi-Reel to depress the retaining  
spring and align the other inside cage wires with  
the grooves in the molded adapter.  
The Spindle should be located in the LOWER mounting hole  
of the K1524-1 Universal Stand if used.  
8) Slide the cage all the way onto the adapter until  
the retaining spring "pops up" fully.  
1) Depress the Release Bar on the Retaining Collar and  
remove it from the spindle. NOTE: Earlier spindles  
used a threaded collar. See Figure B.1a or B.1b.  
WARNING  
Check to be sure the Retaining Spring has fully  
returned to the locking position and has SECURELY  
locked the Readi-Reel Cage in place. Retaining  
Spring must rest on the cage, not the welding elec-  
trode.  
2) Place the Adapter on the spindle.  
3) Re-install the Retaining Collar. Make sure that the  
Release Bar “pops up” and that the collar retainers  
fully engage the retaining groove on the spindle.  
___________________________________________  
9) To remove Readi-Reel from Adapter, depress  
retaining spring tab with thumb while pulling the  
Readi-Reel cage from the molded adapter with  
both hands. Do not remove adapter from spindle.  
4) Rotate the spindle and adapter so the retaining  
spring is at the 12 o'clock position.  
5) Position the Readi-Reel so that it will rotate in a  
direction when feeding so as to be de-reeled from  
the bottom of the coil.  
FIGURE B.1b (Retaining Collar)  
FIGURE B.1a (Threaded Locking Collar)  
2
IN. O.D. SPINDLE  
ADAPTER  
RETAINING SPRING  
BRAKE  
HOLDING  
PIN  
GROOVES  
READI-REEL  
INSIDE CAGE WIRES  
THREADED  
LOCKING  
COLLAR  
SYNERGIC 7 & 7H  
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B-6  
B-6  
OPERATION  
TO MOUNT 10 TO 44 lb (4.5 to 20 kg) SPOOLS  
(12 in./300 mm DIAMETER) OR 13-14 lb (6 kg)  
INNERSHIELD COILS:  
2. While tightly holding the electrode, cut off the bent  
end and straighten the first six inches. Cut off the  
first inch. (If the electrode is not properly  
straightened, it may not feed or may not go into  
the outgoing guide tube, causing a “birdnest”.)  
The spindle should be located in the lower mounting  
hole of the K1524-1 Universal Stand if used.  
3. Insert the free end through the incoming guide  
tube.  
[For 8 in. (200 mm) spools, a K468 spindle adapter  
must first be slipped onto the spindle.]  
4. Press the cold inch key or gun trigger and push  
the electrode into the drive roll.  
[For 13 to 14 lb (6 kg) Innershield coils, a K435 Coil  
Adapter must be used.]  
WARNING  
1. Depress the Release Bar on the Retaining Collar  
and remove it from the spindle. NOTE: Earlier  
spindles used a threaded collar. See Figure B.5a or  
B.5b.  
ELECTRIC SHOCK  
can kill.  
• Do not touch electrically live parts  
such as output terminals or  
internal wiring.  
2. Place the spool on the spindle, making certain  
the spindle brake pin enters one of the holes in  
the backside of the spool. Be certain the wire  
comes off the reel in a direction so as to de-reel  
from the bottom of the coil.  
• When inching with the gun  
trigger, electrode and drive  
mechanism are “hot” to work and  
ground and could remain “hot” for  
several seconds after the gun  
trigger is released.  
3. Re-install the Retaining Collar. Make sure that  
the Release Bar “pops up” and that the collar  
retainers fully engage the retaining groove on the  
spindle.  
------------------------------------------------------------------------  
5. Inch the electrode through the gun.  
ELECTRODE  
ADJUSTMENT  
FEEDING  
AND  
BRAKE  
6. Adjust the brake tension with the thumbscrew on  
the spindle hub until the reel turns freely but with  
little or no overrun when wire feeding is stopped.  
Do not overtighten.  
1. Turn the Readi-Reel or spool until the free end of  
the electrode is accessible.  
SYNERGIC 7 & 7H  
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B-7  
B-7  
OPERATION  
WIRE REEL LOADING 50 AND 60 LB  
COILS (K303 OR K376 WIRE REEL STAND)  
CAUTION  
Always be sure the free end of the coil is securely held  
while the tie wires are being cut and until the wire is  
feeding through the drive rolls. Failure to do this will  
result in “back lashing” of the coil, which may tangle the  
wire. A tangled coil will not feed. It must be untangled  
or discarded.  
ADJUSTABLE WIRE REEL BRAKE  
The mount for standard 50 and 60 pound electrode  
coils includes a two-position brake assembly.  
Generally the brake should be at the inner position  
(nearest to the wire reel shaft) for wire feed speeds  
below 400 in./min (10 m/min). It should be at the outer  
position for the faster wire speeds often used when  
feeding smaller diameter electrode.  
------------------------------------------------------------------------  
8. Cut and remove only the tie wire holding the free  
end of the coil. Insert the free end into one of the  
holes in the cover and secure it by bending it  
back. Cut and remove the remaining tie wires.  
To adjust the brake position, remove the wire reel. Pull  
the cotter pin that holds the brake shoe to the arm,  
move the shoe and replace the cotter pin. Do not bend  
the cotter pin - it is held in place by a friction fit.  
9. Replace the reel on the wire feeder. Grasp the  
shaft knob, pull it out and swing it across the reel  
hub, locking the reel in place.  
TO MOUNT A 50 OR 60 LB COIL:  
FIGURE B.2 LOADING A 50 OR 60 LB COIL.  
1. To remove the wire reel from its shaft, grasp the  
spring loaded knob and pull out. This straightens  
the knob so it seats into the shaft when released.  
Remove the reel.  
SPINNER  
NUT  
COVER  
PLATE  
2. Lay the reel flat on the floor. Loosen the spinner  
nut and remove the cover plate. See Figure B.2.  
3. Place the coil of electrode on the reel so it  
unwinds as the reel rotates clockwise. DO NOT  
cut the tie wires at this time.  
SLOTS  
4. Be sure the coil is placed so the spring loaded  
arms will not interfere with the later removal of the  
coil tie wires.  
CARDBOARD  
COIL  
LINER  
5. When loading 0.030 to 0.045” electrode, be  
certain the coil is placed on the reel so the spring  
loaded arms are at the center of the slots in the  
cardboard coil liner. This provides the positive  
compression of the coil sides needed for trouble-  
free wire feeding.  
COIL  
TIE WIRE  
6. Put the cover plate on the reel so the four arms of  
the cover plate straddle and are in line with the  
spring loaded arms of the reel.  
REEL  
SPRING  
LOADED  
ARM  
7. Tighten the cover as much as possible by hand.  
DO NOT hammer on the spinner nut arms.  
SYNERGIC 7 & 7H  
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B-8  
B-8  
OPERATION  
FIGURE B.3 K1504-1 COIL REEL.  
WIRE REEL LOADING 50 AND 60 LB  
COILS (K1524-1 UNIVERSAL WIRE REEL  
STAND)  
SPINNER NUT  
TO MOUNT A 50 to 60 lb (22.7 to 27.2 kg) COIL:  
(USING K1504-1 COIL REEL) (FOR 50 to 60 lb  
READI-REELS A K438 READI-REEL ADAPTER  
MUST BE USED.)  
COVER  
PLATE  
The spindle should be located in the UPPER mount-  
ing hole.  
SLOTS  
1. With the K-1504-1 Coil Reel mounted on the 2 in.  
(51 mm) spindle (or with reel laying flat on the  
floor) loosen the spinner nut and remove the reel  
cover. See Figure B.3.  
CARDBOARD  
COIL LINER  
2. Before cutting the tie wires, place the coil of elec-  
trode on the reel so it unwinds from the bottom  
as the reel rotates.  
COIL  
3. Tighten the spinner nut against the reel cover as  
much as possible by hand, using the reel cover  
spokes for leverage. DO NOT hammer on the  
spinner nut arms.  
TIE WIRE  
SPRING  
LOADED ARM  
4. Cut and remove only the tie wire holding the free  
end of the coil. Hook the free end around the rim  
of the reel cover and wrap it around to secure.  
Cut and remove the retaining tie wires.  
REEL  
CAUTION  
Always be sure the free end of the coil is securely  
held while the tie wires are being cut and until the wire  
is feeding through the drive rolls. Failure to do this will  
result in “backlash” of the coil, which may tangle the  
wire. A tangled coil will not feed, so it must either be  
untangled or discarded.  
Feeding Electrode  
1) Turn the reel until the free end of the electrode is  
accessible. While tightly holding the electrode, cut  
off the bent end.  
____________________________________  
2) Straighten the first 6” (150mm) and cut off the first  
1” (25mm). Insert the free end through the incoming  
guide tube. Press the Cold Inch key or the gun trigger  
and push the electrode into the drive roll. Feed the  
electrode through the gun. (If the electrode is not  
properly straightened, it may not feed or may not go  
into the outgoing guide tube causing a “birdnest”.)  
5. Be sure the coil is engaged with the spindle  
brake pin and the Release Bar and Retaining  
Collar “pops up” and that the collar retainers fully  
engage the retaining groove on the spindle.  
WARNING  
When feeding with the gun trigger, the electrode and  
drive mechanism are always “HOT” to work and  
ground and could remain “HOT” several seconds after  
the gun trigger is released.  
___________________________________________  
SYNERGIC 7 & 7H  
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B-9  
B-9  
OPERATION  
Idle Roll Pressure Setting  
The idle roll pressure is set at the factory, backed out  
three turns from full pressure on 4-roll feeders. This is  
an approximate setting. For small wire sizes and  
aluminum wire up to 9 or 10 turns out may be required  
to minimize “birdnesting”. The optimum idle roll pres-  
sure varies with type of wire, surface condition, lubri-  
cation, and hardness. The optimum idle roll setting  
can be determined as follows:  
1) Release the incoming idle roll pressure arm, then  
press end of gun against a solid object that is elec-  
trically isolated from the welder output and press  
the gun trigger for several seconds.  
2) If the wire “birdnests”, jams, or breaks at the drive  
roll, the idle roll pressure is too great. Back the  
pressure setting out 1/2 turn, run new wire through  
gun, and repeat above steps.  
3) If the only result is drive roll slippage, disengage  
the gun locking nut, and pull the gun cable forward  
about 6” (150mm). There should be a slight wavi-  
ness in the exposed wire. If there is no waviness,  
the pressure is too low. Increase the pressure set-  
ting 1/4 turn, reconnect the gun, tighten the locking  
nut, and repeat the above steps.  
4) After the outgoing pressure is set, determine how  
many turns away from full pressure the setting is.  
Set both idle roll tensions to this setting. Engage  
both idle rolls before welding. In most applications,  
best wire feeding will occur when both idle roll  
pressures are set the same.  
Gas Guard Regulator Setting  
1) With the gas supply shut off, the Gas Guard regu-  
lator flow adjusting key should be set to maximum  
(full clockwise) which is rated to be 60 SCFH (28  
lts/ min).  
2) Adjust gas supply flow rate for a level higher than  
will be required, then adjust Gas Guard flow  
adjusting key counterclockwise to the desired gas  
flow rate.  
SYNERGIC 7 & 7H  
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B-10  
B-10  
OPERATION  
12) To stop welding, release the gun trigger and then  
pull the gun away from the work after the arc  
goes out and Postflow time, if used, is over.  
Making a Weld  
1) Use only Power Wave model “synergic” power  
sources.  
13) If necessary to optimize arc starting, adjust wire  
speed acceleration, and/or Run-In speed. (See  
the appropriate sections for adjusting procedures).  
2) Properly connect the electrode and work leads for  
the correct electrode polarity.  
Wire Reel Changing  
3) Use Mode Selection key to set desired operating  
mode. (Refer to Mode Selection section.)  
At the end of a coil, remove the last of the old elec-  
trode coil from the conductor cable by either pulling it  
out at the nozzle end of the gun or by using the follow-  
ing procedure:  
4) Use Function Select and Arrow keys to set desired  
Run-in and encoder knob to set Weld Feed Speed.  
(Set for each procedure if using a Dual Procedure  
function). (See the appropriate sections for adjust-  
ing procedures).  
1) Cut the end of the electrode off at the gun end. Do  
not break it off by hand because this puts a slight  
bend in the wire making it difficult to pull it back  
through the nozzle.  
5) Adjust the voltage or percent trim, if desired, (for  
each procedure if using a Dual Procedure function)  
using the encoder knob in “Volts/Trim” function  
(refer to Volts/Trim section). The final setting can  
be adjusted according to the desired arc voltage  
while welding.  
2) Disconnect the gun cable from the gun connector  
on the Synergic 7 Wire Feed Unit and lay the gun  
and cable out straight.  
6) Use Timer/Crater Select and Arrow keys to set  
desired timers, or crater speed if 4-step trigger with  
Crater fill has been selected. (Refer to the  
Timer/Crater section).  
3) Using pliers to grip the wire, pull it out of the cable  
from the connector end.  
4) After the electrode has been removed, reconnect  
the gun cable to the Synergic 7.  
7) Feed the electrode through the gun and cable and  
then cut the electrode within approximately  
.38” (9.5mm) of the end of the contact tip for solid  
wire, and within approximately .75” (19mm) of the  
extension guide for cored wire.  
Load a new reel of electrode per the instructions in  
the Wire Reel Loading sections.  
Wire Feed Overload Protection  
8) Connect work cable to metal to be welded. Work  
cable must make good electrical contact to the  
work. The work must also be grounded as stated  
in “Arc Welding Safety Precautions”.  
The Synergic 7 has solid-state overload protection of  
the wire drive motor. If the wire drive motor becomes  
overloaded for an extended period of time, the protec-  
tion circuitry turns off the power source, wire feed and  
solenoid and then displays H30. This indicates the  
wire drive motor is overloaded and the number indi-  
cates the time remaining in seconds before the unit  
will automatically reset. The number continues to  
decrement every second until it reaches 0. At that  
time, the unit resets automatically and the previous  
display will return indicating the unit is ready to oper-  
ate again. Overloads can result from improper tip  
size, liner, drive rolls, or guide tubes, obstructions or  
bends in the gun cable, feeding wire that is larger than  
the rated capacity of the feeder or any other factors  
that would impede normal wire feeding. (See section  
on Avoiding Wire Feeder Problems.)  
WARNING  
When using an Open Arc process,  
it is necessary to use correct eye,  
head, and body protection  
____________________________________  
9) If used, be sure shielding gas valve is turned on.  
10) Position electrode over joint. End of electrode  
may be lightly touching the work.  
11) Lower welding helmet, close gun trigger and start  
welding. Hold the gun so the contact tip to work  
distance gives the correct electrical stickout as  
required for the procedure being used.  
SYNERGIC 7 & 7H  
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B-11  
B-11  
OPERATION  
Grounding Lead Protector  
Explanation of Prompting and  
The frame of the Synergic 7 wire feeder is grounded  
to the frame of the power source by a lead in the con-  
trol cable. An overload protector prevents welding  
current from damaging this lead if the electrode circuit  
touches the wire feeder frame while the electrode is  
electrically hot.  
Error Messages  
Display  
Prompt or Error  
HI  
---  
Indicates arc voltage is above 80V DC.  
If such a grounding lead fault occurs, the wire feeder  
display will show "GLP", and the trigger circuit will be  
disabled. To reset the circuit, release the trigger,  
make sure that the electrode is not touching the wire  
feeder frame, and then either press any key on the  
keypad or close the trigger. When the GLP circuit is  
reset, the "GLP" display is removed and the wire feed-  
er is returned to normal operating mode.  
Indicates selected Run-In speed will be the  
same as the weld speed. To enter a different  
Run-In speed simply press the increase arrow  
key with Run-In selected.  
HXX  
Indicates wire feed overload. XX indicates  
time remaining in seconds before unit resets  
automatically. See sections on Routine  
Maintenance, Periodic Maintenance, and  
Troubleshooting Guide Problem 24.  
EP  
Indicates problem in EPROM assembly. See  
Troubleshooting Guide Problem 24.  
uP  
Indicates problem in microprocessor RAM.  
See Troubleshooting Guide Problem 24.  
EXX  
Indicates various system problems. XX will  
be a number from 01 to 10. Turn off power to  
feeder. Wait 5 seconds. Turn power back on.  
If error persists, see Troubleshooting Guide  
Problem 24. If error does not reoccur, be  
sure to check all wire feed speed, accelera-  
tion, and timer settings before you proceed.  
Er  
EEPROM error. Usually occurs at power-up.  
Indicates one or more of the recalled settings  
is out of acceptable limits. Press any key to  
return to normal operation. Be sure to check  
all wire feed speed, acceleration, and timer  
settings before you proceed.  
GLP  
Indicates that the Grounding Lead Protector  
circuit was activated due to excessive current  
flow into the wire feeder frame. When the  
Grounding Lead Protector circuit is activated  
the wire feeder is disabled, i.e. the trigger out-  
put to the power source is opened up, the  
motor is stopped, and the gas solenoid is  
turned off. To resume normal operation,  
release the trigger, make sure that the elec-  
trode is not touching the wire feeder frame,  
and then either press a key on the keypad or  
close the trigger. See Problem 24 in the  
Troubleshooting Guide.  
SYNERGIC 7 & 7H  
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C-1  
C-1  
ACCESSORIES  
17 ft. (5 m), 25 ft. (7.6 m), 33 ft. (10 m) and 50 ft. (15  
m).  
OPTIONAL FEATURES  
DRIVE ROLL AND GUIDE TUBE KITS:  
K648 - (Used with Power Wave 450) Consists of an 8-  
Steel Wire Sizes:  
4-Roll  
conductor control cable with a 14-pin plug and a 4/0  
2
(107 mm ) electrode cable with stud terminal. It is rated  
* .068 - 3/32” (1.7 - 2.4mm) Cored  
* 1/16” (1.6mm) Cored or Solid  
.045 - .052” (1.2 - 1.4mm) Solid  
.045 - .052” (1.2 - 1.4mm) Cored  
.035” (0.9-1.0mm) Cored  
.035” (0.9-1.0mm) Solid  
KS655-3/32  
KS655-1/16  
KS655-052S  
KS655-052C  
KS655-035C  
KS655-035S  
KS655-030S  
KS655-025S  
at 500 amps, 60% duty cycle and is available in lengths  
of 7 ft (2 m), 17 ft (5 m), 25 ft (7.6 m), 33 ft (10 m) and  
50 ft (15 m).  
K676 - (Used with Power Wave 450) Similar to K648  
but includes a gas hose with a 5/8-18 male fitting for  
the Synergic 7 inlet. It is rated at 500 amps, 60% duty  
cycle and is available in lengths of 7 ft. (2 m), 25 ft. (7.6  
m) and 50 ft. (15 m).  
.030” (0.8mm) Solid  
.023” (0.6mm) Solid  
Aluminum Wire Sizes:  
1/16” (1.6mm)  
KS656-1/16A  
KS647-1/16A**  
KS656-3/64A  
KS647-3/64A**  
KS647-040A**  
KS656-035A  
K640 - (Used with Power Wave 450 and Synergic 7/7H  
with water quick-connection) Similar to K648 but  
includes a gas hose with a 5/8-18 male fitting for the  
Synergic 7 inlet and water hoses with quick-connect  
male fittings to connect between the water cooler and  
Synergic 7 water connections. It is rated at 500 amps,  
60% duty cycle and is available in lengths of 7 ft. (2 m),  
3/64” (1.2mm)  
.040” (1.0mm)  
.035” (0.9mm)  
Drive rolls for only cored electrode sizes are stencilled 25 ft. (7.6 m) and 50 ft. (15 m).  
with a “C” suffix to the wire sizes.  
K651 - (Used with Power Wave 350) Consists of an 8-  
conductor control cable with a 14-pin plug and 2/0 (67  
mm2) electrode cable with Twist-Mate™ connector. It  
is rated at 350 amps, 60% duty cycle and is available in  
lengths of 7 ft. (2 m), 17 ft. (5 m), 33 ft. (10 m), and 50  
ft. (15 m).  
Drive rolls for only solid electrode sizes are stencilled  
with an “S” suffix to the wire sizes.  
Drive rolls for aluminum wire sizes are stencilled with an  
“A” suffix to the wire sizes.  
K677-7 - (Used with Power Wave 350) Similar to K651  
but includes a gas hose with a 5/8-18 male fitting for  
the Synergic 7 inlet. It is rated at 350 amps, 60% duty  
cycle and is available in 7 ft. (2 m) length.  
* Not for Synergic 7H model.  
** For use with Binzel European guns. Installation  
instructions are included with these kits.  
INPUT CABLE ASSEMBLIES:  
K650 - (Used with Power Wave 350 and Synergic 7/7H  
with water quick connection) Similar to K651 but  
includes a gas hose with a 5/8-18 male fitting for the  
Synergic 7 inlet and water hoses with quick-connect  
male fittings to connect between the water cooler and  
the Synergic 7 water connections. It is rated at 350  
amps, 60% duty cycle and is available in lengths of 7 ft.  
(2 m), 17 ft. (5 m), 33 ft. (10 m) and 50 ft. (15 m).  
K649 - (Used with Power Wave 450/500) Consists of an  
8-conductor control cable with a 14-pin control cable plug  
2
and a 4/0 (107mm ) electrode cable with Twist-Mate™  
connector. It is rated at 500 amps, 60% duty cycle and is  
available in lengths of 7 ft (2 m), 17 ft (5 m), 25 ft (7.6 m),  
33 ft (10 m) and 50 ft (15 m).  
K675 - (Used with Power Wave 450/500) Similar to K649  
but includes a gas hose with a 5/8-18 male fitting for the  
Synergic 7 inlet. It is rated at 500 amps, 60% duty cycle  
and is available in lengths of 7 ft. ( 2 m), 25 ft. (7.6 m)  
and 50 ft. (15 m).  
K642 (Control Cable Only) - Consists of an 8 conduc-  
tor control cable with a 14-pin control cable plug, with-  
out electrode cable, and is available in lengths of 7 ft (2  
m), 17 ft (5 m), 25 ft (7.6 m), 33 ft (10 m) and 50 ft (15  
m).  
K641- (Used with Power Wave 450/500 and Synergic  
7/7H with water quick connection) Similar to K649 but  
includes a gas hose with a 5/8-18 male fitting for the  
Synergic 7 inlet and water hoses with quick-connect male  
fittings to connect between the water cooler and the  
Synergic 7 water connections. It is rated at 500 amps,  
60% duty cycle and is available in lengths of 7 ft. (2 m),  
K643 (Control Cable Extension) - Consists of an 8  
conductor control cable with 14-pin connectors on  
each end for extending the control cable between the  
power source and the control cables. Available in  
lengths of 17 ft (5 m), 25 ft (8 m), 33 ft (10 m) and 50 ft  
(15 m).  
SYNERGIC 7 & 7H  
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C-2  
C-2  
ACCESSORIES  
UNIVERSAL WIRE REEL STAND (K1524-1)  
WIRE REEL ASSEMBLY:  
Includes a 2" (51mm) O.D. Spindle with adjustable  
brake and two locations for mounting the spindle to  
allow for the mounting of 50 - 60lb, 10 - 30 lb, 13 -  
14lb, and 8" O.D. coils with proper spindle adapters.  
(See OPERATION section) Capable of being mount-  
ed on the top of a suitable power source or surface  
without the need for any other mounting kit. Optional  
features available for this stand include:  
K303 - 50-60 lb. (22.7-27.2 kg) Wire reel mounting  
stand. Assembly includes a framework to which is  
attached the 50-60 lb. (22.7-27.2 kg) wire reel, a  
mounting spindle, a dust shield, a lift bail, and a cable  
clamp for fastening the input cable assembly. The  
reel mounting spindle is the pull knob type with a built-  
in brake. The brake pad is adjustable for proper brak-  
ing at low or high wire feed speeds. In extremely  
dusty and dirty locations a wire reel dust shield door  
kit can be added to this unit.  
• K1555-1 insulated lift bale  
• K1556-1 caster kit  
• K1557-1 swivel platform.  
This door kit, which includes a hinged door and sliding  
bottom seal, makes the housing completely enclosed.  
Order part number M11514.  
60 LB. (27.2 KG) COIL ADAPTER (K1504-1)  
Permits 50-60 lb. (22.7-27.2 Kg) coils to be mounted  
to a 2" (51mm) spindle.  
K376 - Same as K303 above but without dust shield.  
A dust shield that covers the wire reel and protects the  
wire from falling dirt and dust is available for this unit.  
Order part number S14543. This unit will also accept  
the M11514 door kit (see K303 above) but only if  
already equipped with optional dust shield (S14543).  
K1551-1 INSULATED LIFT BALE: Provides a  
bolt on lift bale with an electrically insulated lift hook.  
K377 - Small mounting stand for Readi-Reel coils or  
10-30 lb. (4.5-14 kg) spools with 2" (51 mm) I.D. This  
assembly includes a small frame to which is attached  
a 2" (51 mm) O.D. wire reel spindle and a K363P  
Readi Reel adapter for using the Lincoln "Readi-Reel  
Electrode Coils". Without the adapter, the unit is  
capable of handling spools with a 2" (51 mm) I.D., a  
12" (305 mm) maximum O.D., and a 4" (101 mm)  
width.  
K1556-1 CASTER KIT: Comes with 4 light duty  
2" O.D. casters which mount in place of the rubber  
feet on the wire stand. Use in light duty applications  
where portability is required. Can be used in combi-  
nation with the K1557-1 swivel platform.  
K1557-1 SWIVEL PLATFORM: Allows for the  
mounting of the wire feeder reel stand assembly on  
top of a suitable power source if the need for the wire  
feeder reel stand assembly to swivel is desired. Also  
has mounting holes in the base feet for mounting to  
any surface that it can be fastened to. Comes with a  
rotating tool tray to hold gun tips, guide tubes, drive  
rolls, etc. Will work in combination with the K1556-1  
caster kit.  
K378 - Small mounting stand for 13-14 lb. (6 kg)  
Innershield coils. This assembly includes the same  
smaller frame as used in the K377 and a fully  
enclosed canister system for de-reeling of the 14 lb. (6  
kg) coil. This system has a fixed brake for this coil.  
K445 - 50-60 lb. (22.7-27.2 kg) Readi-Reel mounting  
stand. This assembly includes framework to which is  
attached a 2" (51 mm) O.D. spindle with adjustable  
brake and 50-60 lb. (22.7-27.2 kg) (K438) Readi-Reel  
adapter. Includes a lift bail and cable clamp for fas-  
tening the input cable assembly. Does not include a  
dust shield. A dust shield that covers the wire reel  
and protects the wire from falling dirt and dust is avail-  
able for this unit. Order part number S14543. This  
unit will also accept the M11514 door kit (see K303  
above) but only if already equipped with optional dust  
shield (S14543).  
SYNERGIC 7 & 7H  
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C-3  
C-3  
ACCESSORIES  
K541 Magnum 400 Short Neck GMAW gun and cable  
assemblies are rated 400 amps, 60% duty cycle.  
(Consult sales specifications for appropriate models)  
READI-REEL ADAPTERS:  
K363P - Adapts Lincoln Readi-Reel coils of electrode  
30 lb (14 kg) and 22 lb (10 kg) to a 2” (51mm) spindle.  
Durable molded plastic one piece construction.  
Designed for easy loading; adapter remains on spin-  
dle for quick changeover. (used with K162H)  
K598 Magnum 550 GMAW gun and cable assemblies  
are rated 550 amps, 60% duty cycle. (Consult sales  
specifications for appropriate models)  
K206Innershield Linconditioner gun and cable  
assemblies are rated 350 amps, 60% duty cycle.  
Maximum size for Synergic 7 models is 5/64" (2.0  
mm). Not recommended for Synergic 7H models.  
(Consult sales specifications for appropriate models)  
K438 - Adapts Lincoln Readi-Reel coils of electrode  
50-60 lb (22.7-27.2 kg) to a 2” (51mm) spindle. (used  
with K162H).  
SPINDLE ADAPTERS:  
K289Innershield Linconditioner gun and cable  
assemblies are rated 500 amps, 60% duty cycle.  
Maximum size for Synergic 7 models is 5/64" (2.0  
mm). Not recommended for Synergic 7H models.  
(Consult sales specifications for appropriate models)  
K162H - Spindle for mounting Readi-Reels and 2”  
(51mm) I.D. spools with 60 lb (27.2 kg) capacity. The  
shaft for the standard wire coils is removed from the  
mounting frame-work and the K162H is installed in its  
place. Includes an easily adjustable friction brake for  
control of overrun.  
K309Innershield Linconditioner gun and cable  
assemblies are rated 250 amps, 60% duty cycle.  
Maximum size for Synergic 7 models is 5/64" (2.0  
mm). Not recommended for Synergic 7H models.  
(Consult sales specifications for appropriate models)  
When used with Readi-Reels a Readi-Reel adapter is  
required.  
K435 - Permits 14 lb (6 kg) Innershield coils to be  
mounted on 2” (51mm) O.D. spindles. For use with  
optional K162H adapter.  
• K179 type vacuum unit not recommended for use with Synergic 7.  
The following Lincoln gun and cable assemblies are  
equipped with a Fast-Mate™ connector. They can be  
used with these Synergic 7 models by installing a  
K489-1 Fast-Mate™ adapter kit.  
K468 - Permits 8” (203mm) O.D. spools to be mount-  
ed on 2” (51mm) O.D. spindles. For use with optional  
K162H adapter.  
K684 - Magnum “Water Cooled” FM water cooled  
GUN AND CABLE ASSEMBLIES:  
GMAW gun and cable assemblies are rated 450  
2
amps, 100% duty cycle (CO ). (Consult sales specifi-  
K126 Innershield gun and cable assemblies are rated  
at 350 amps, 60% duty cycle. Maximum wire size for  
Synergic 7 models is 5/64" (2.0 mm). Not recom-  
mended for Synergic 7H models. (Consult sales spec-  
ifications for appropriate models)  
cations for appropriate models).  
K498 - Magnum 200 FM GMAW gun and cable  
assemblies are rated for 200 amps, 60% duty cycle.  
(Consult sales specifications for appropriate models).  
K115 Innershield gun and cable assemblies are rated  
at 450 amps, 60% duty cycle. Maximum wire size for  
Synergic 7 models is 5/64" (2.0 mm). Not recom-  
mended for Synergic 7H models. (Consult sales spec-  
ifications for appropriate models)  
K534 - Magnum 250L FM GMAW gun and cable  
assemblies are rated for 250 amps, 30% duty cycle.  
(Consult sales specifications for appropriate models).  
K478 - Magnum 300 FM GMAW gun and cable  
assemblies are rated for 300 amps, 60% duty cycle.  
(Consult sales specifications for appropriate models).  
K470 Magnum 300 GMAW gun and cable assemblies  
are rated 300 amps, 60% duty cycle. (Consult sales  
specifications for appropriate models)  
K479 - Magnum 400 FM GMAW gun and cable  
assemblies are rated for 400 amps, 60% duty cycle.  
(Consult sales specifications for appropriate models).  
K471 Magnum 400 GMAW gun and cable assemblies  
are rated 400 amps, 60% duty cycle. (Consult sales  
specifications for appropriate models)  
K556 * - GMAW process Magnum 400XA X-TRAC-  
TOR gun and cable assemblies are rated at 400  
amps, 60% duty cycle. (Consult sales specifications  
for appropriate models)  
K497 Magnum 200 GMAW gun and cable assemblies  
are rated 200 amps, 60% duty cycle. (Consult sales  
specifications for appropriate models)  
SYNERGIC 7 & 7H  
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C-4  
C-4  
ACCESSORIES  
K566 * - GMAW process Magnum 250XA X-TRAC-  
TOR gun and cable assemblies are rated 250 amps,  
60% duty cycle. (Consult sales specifications for  
appropriate models).  
* K179 type vacuum unit not recommended for  
use with Synergic 7.  
MISC. OPTIONS:  
K590-4 (Water Connection Kit) - Includes water sup-  
ply quick-connectors already attached to mounting  
insulators and internal connection hoses for easy  
installation on the front and rear panels of the  
Synergic 7 case. Also includes water cooled gun tube  
fittings and self-sealing outlet and inlet quick-connec-  
tors for mounting to the front of the Synergic 7 case.  
K659-1 (Gas Guard Regulator) - Adjustable flow regu-  
lator with removable adjustor key for CO2 and Argon  
blend gases. Mounts onto wire drive gas inlet, and  
reduces gas waste and arc start "blow" by reducing  
surge caused by excess pressure in supply hose.  
K1449-1 (Dual Procedure Remote Control) - Includes  
a remote control box with a 16ft. (5m) length control  
cable with 4-pin plug for the mating receptacle on the  
bottom of the Synergic 7 control box. The remote  
control box contains 2 rotating knob encoders, one  
controls arc voltage and the other controls weld wire  
feed speed, and a procedure selector switch which  
function the same as comparable controls on the front  
panel, which are disabled when the remote is con-  
nected.  
K683-1 (Dual Procedure Switch) - Kit includes gun  
switch, and mountings for Lincoln Innershield and  
Magnum guns, with 15 ft. (4.5 m) control cable and 3-  
pin plug.  
K163 Undercarriage - For all Synergic 7 wire reel  
stand combinations. Includes mounting frame, front  
casters, 10" (254 mm) O.D. rear wheels, and handle.  
Use when portability is required.  
K178-1 Swivel Platform - For all Synergic 7 wire reel  
stand combinations. For mounting wire feeder wire  
reel stand assembly on top of suitable Lincoln Idealarc  
power sources. Recommended input cable length is 7  
ft. (2 m) when using the K178-1 on the Invertec power  
sources.  
SYNERGIC 7 & 7H  
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D-1  
D-1  
MAINTENANCE  
Wire Reel Mounting - 50 (22.7kg) and  
MAINTENANCE  
60lb (27.2kg) Coils with 1Spindle  
Safety Precautions  
To prolong the life of the reel shaft, periodically coat it  
with a thin layer of grease.  
WARNING  
ELECTRIC SHOCK can kill.  
Do not touch electrically live parts such  
as output terminals or internal wiring.  
No maintenance of the two-position adjustable brake  
is needed. If the brake shoe wears through to the  
metal, replace the brake assembly.  
When inching with gun trigger, electrode and  
drive mechanism are hotto work and  
ground and could remain energized several  
seconds after the gun trigger is released.  
Wire Reel Mounting - Readi-Reels, 10  
through 44lb (4.5-20kg) Spools and 50-  
60lb Coils with K1504-1 Adapter  
Turn OFF input power at welding power  
source before installation or changing  
drive roll and/or guide tubes.  
Welding power source must be connected  
to system ground per the National  
Electrical Code or any applicable local  
codes.  
No routine maintenance required. Do not lubricate 2”  
(51mm) spindle.  
Avoiding Wire Feeding Problems  
Only qualified personnel should  
perform this installation.  
Wire feeding problems can be avoided by observing  
the following gun handling procedures:  
Observe all additional Safety Guidelines detailed  
throughout this manual.  
a) Do not kink or pull cable around sharp corners.  
b) Keep the electrode cable as straight as possible  
when welding or loading electrode through cable.  
Routine Maintenance  
Drive Rolls and Guide Tubes  
c) Do not allow dolly wheels or trucks to run over  
cables.  
After feeding every coil of wire, inspect the drive roll  
section. Clean it as necessary. Do not use a solvent  
for cleaning the idle roll because it may wash the  
lubricant out of the bearing. The driver roll and guide  
tubes are stamped with the wire sizes they will feed.  
If a wire size other than that stamped on the roll(s) is  
to be used, the roll(s) and guide tubes must be  
changed.  
d) Keep cable clean by following maintenance  
instructions.  
e) Use only clean, rust-free electrode. The Lincoln  
electrodes have proper surface lubrication.  
f) Replace contact tip when the arc starts to become  
unstable or the contact tip end is fused or  
deformed.  
The drive rolls for .035” (0.9mm) through .052”  
(1.3mm) cored electrode and 1/16” (1.6mm) through  
3/32” (2.4mm) electrode have a double set of teeth so  
they can be reversed for additional life. Drive rolls for  
.023" (0.6 mm) through .052" (1.3 mm) solid elec-  
trodes and aluminum sizes have no teeth, but use two  
grooves so they also can be reversed for additional  
life.  
g) Do not use excessive wire spindle brake settings.  
Periodic Maintenance  
Wire Drive Motor and Gearbox  
Every year inspect the gearbox and coat the gear  
teeth with a moly-disulfide filled grease. Do not use  
graphite grease.  
See section on Wire Feed Drive Roll and Guide Tube  
Kits for roll changing instructions.  
Every six months check the motor brushes. Replace  
them if they are less than 1/4” long.  
Gun and Cable Maintenance  
See appropriate Operator’s Manual.  
SYNERGIC 7 & 7H  
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E-1  
E-1  
TROUBLESHOOTING  
WARNING  
Service and Repair should only be performed by Lincoln Electric Factory Trained Personnel.  
Unauthorized repairs performed on this equipment may result in danger to the technician and  
machine operator and will invalidate your factory warranty. For your safety and to avoid Electrical  
Shock, please observe all safety notes and precautions detailed throughout this manual.  
__________________________________________________________________________  
This Troubleshooting Guide is provided to help you  
locate and repair possible machine malfunctions.  
Simply follow the three-step procedure listed below.  
Step 3. RECOMMENDED COURSE OF ACTION  
This column provides a course of action for the  
Possible Cause, generally it states to contact your  
local Lincoln Authorized Field Service Facility.  
Step 1. LOCATE PROBLEM (SYMPTOM).  
Look under the column labeled “PROBLEM (SYMP-  
TOMS)”. This column describes possible symptoms  
that the machine may exhibit. Find the listing that  
best describes the symptom that the machine is  
exhibiting.  
If you do not understand or are unable to perform the  
Recommended Course of Action safely, contact your  
local Lincoln Authorized Field Service Facility.  
Step 2. POSSIBLE CAUSE.  
The second column labeled “POSSIBLE CAUSE” lists  
the obvious external possibilities that may contribute  
to the machine symptom.  
WARNING  
ELECTRIC SHOCK can kill.  
Do not touch electrically live parts such  
as output terminals or internal wiring.  
When inching with gun trigger, electrode and  
drive mechanism are hotto work and  
ground and could remain energized several  
seconds after the gun trigger is released.  
Turn OFF input power at welding power  
source before installation or changing  
drive roll and/or guide tubes.  
Welding power source must be connected  
to system ground per the National  
Electrical Code or any applicable local  
codes.  
Only qualified personnel should  
perform this installation.  
Observe all additional Safety Guidelines detailed  
throughout this manual.  
CAUTION  
If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, contact your  
Local Lincoln Authorized Field Service Facility for technical troubleshooting assistance before you proceed.  
SYNERGIC 7 & 7H  
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E-2  
E-2  
TROUBLESHOOTING  
Observe all Safety Guidelines detailed throughout this manual  
PROBLEMS  
(SYMPTOMS)  
POSSIBLE  
CAUSE  
RECOMMENDED  
COURSE OF ACTION  
1. Rough wire feeding or wire not  
feeding but drive rolls turning.  
a. Gun cable kinked and/or twisted. a. Inspect gun cable and replace if  
necessary.  
b. Wire jammed in gun and cable.  
b. Remove wire from gun and cable  
feed in new wire. Note any  
obstructions in gun and cable.  
Replace gun and cable if neces-  
sary.  
c. Incorrect position of drive rolls with c. See Wire Feed Drive Roll and  
grooves.  
Guide Tubs Kits section for proper  
installation of drive roll.  
d. Drive rolls loose.  
d. Remove, clean, install and tighten.  
e. Clean cable or replace liner.  
f. Replace.  
e. Gun cable dirty.  
f. Worn drive roll.  
g. Electrode rusty and/or dirty.  
h. Worn nozzle or cable liner.  
g. Replace.  
h. Replace.  
i. Partially flashed or melted contact tip. i. Replace contact tip.  
j. Incorrect idle roll pressure.  
j. Set idle roll pressure per section  
on Idle Roll Pressure Setting.  
k. Improper liner, tip or guide tube.  
k. Install proper equipment.  
2. Variable or “hunting” arc.  
a. Wrong size, worn and/or melted  
contact tip.  
a. Replace tip - remove any spatter on end of  
tip.  
b. Worn work cable or poor work  
connection.  
c. Loose electrode connections.  
b. Inspect - Repair or replace as necessary.  
c. Be sure electrode lead is tight in wire feeder  
contact block, gun nozzle and gun tip tight.  
d. Wrong polarity.  
d. Check connection at output studs for polari-  
ty required by welding process.  
e. Make sure control cable connections are  
tight. Check for consistent WFS. Make sure  
parameters on Power Source display, such  
as WFS, match those on wire feeder display,  
if not, see Problem 14, otherwise try chang-  
ing Synergic 7 control board. If problem per-  
sists refer to Power Source trouble shooting  
information.  
e. Problem with serial communica-  
tions in control cable.  
CAUTION  
If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, contact your  
Local Lincoln Authorized Field Service Facility for technical troubleshooting assistance before you proceed.  
SYNERGIC 7 & 7H  
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E-3  
E-3  
TROUBLESHOOTING  
Observe all Safety Guidelines detailed throughout this manual  
PROBLEMS  
(SYMPTOMS)  
POSSIBLE  
CAUSE  
RECOMMENDED  
COURSE OF ACTION  
3. Poor arc striking with sticking or  
“blast-offs”, weld porosity, narrow  
and ropy looking bead, or elec-  
trode stubbing into plate while  
welding.  
a. Improper procedures or tech-  
niques.  
a. See “Gas Metal Arc Welding  
Guide” (GS-100).  
b. Improper gas shielding.  
b. Clean gas nozzle. Make certain that gas  
diffuser is not restricted. Make certain that  
gas cylinder is not empty or turned off.  
Make certain gas solenoid valve is operat-  
ing and gas flow rate is proper.  
Remove gun liner and check rubber seal  
for any sign of deterioration or damage. Be  
sure set screw in brass connector is in  
place and tightened against the liner bush-  
ing.  
4. Tip seizes in diffuser.  
a. Tip overheating due to prolonged a. Do not exceed current and duty  
or excessive high current and/or  
duty cycle welding.  
cycle rating of gun.  
A light application of high temper-  
ature antiseize lubricant (such as  
Lincoln E2607 Graphite Grease)  
may be applied to tip threads.  
5. Unit shuts off while welding and  
“HXX” appears on display.  
a. See Problem 1.  
a. Correct problems causing motor  
overload.  
b. Defective wire feed motor or gearbox.  
b. Replace.  
6. Drive roll does not turn although  
arc voltage is present and sole-  
noid is on.  
a. Defective wire feed motor or con- a. Set Run-in speed to maximum.  
trol PC board.  
Disconnect wire drive plug P5  
from PC board. Measure voltage  
across pin 1 (+) of J5 and pin 2 (-)  
of J5 on PC board with trigger  
closed. If voltage is 24 VDC,  
then replace motor assembly. If  
24 VDC, replace Control PC  
board (see Procedure for  
replacing PC boards).  
CAUTION  
If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, contact your  
Local Lincoln Authorized Field Service Facility for technical troubleshooting assistance before you proceed.  
SYNERGIC 7 & 7H  
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E-4  
E-4  
TROUBLESHOOTING  
Observe all Safety Guidelines detailed throughout this manual  
PROBLEMS  
(SYMPTOMS)  
POSSIBLE  
CAUSE  
RECOMMENDED  
COURSE OF ACTION  
7. No control of wire feed.  
a. Problem with serial communications. a. If WFS and preset Volts/Trim parame-  
ters on wire feeder display do not  
match those on power source display,  
see Problem 14.  
b. Defective wire feed motor tach or b. Measure voltage across pin 2 (+) of J3  
control PC Board.  
and pin 3 (-) of J3 on PC board with  
motor running. If voltage is 1.5-3.5V  
then replace control PC board (see  
Procedure for Replacing PC Boards).  
If not, then replace tachometer.  
8. No wire feed, solenoid, or arc volt- a. Faulty gun or gun trigger switch.  
age. LED display indicated  
a. Remove gun. Check continuity  
between trigger pins with trigger  
closed. If no continuity repair or  
replace gun.  
Synergic 7 has input power.  
b. Defective control PC board or  
gun connector.  
b. Remove gun. Check voltage across  
trigger sockets on gun connector.  
If voltage > 11 VDC then gun is  
defective.  
If voltage is < 11 VDC then check  
the voltage across pin 2 (+) and pin 8  
(-) of connector J1 on control PC  
board.  
If the voltage is still < 11 VDC then  
replace control PC board. (See  
Procedure for replacing PC boards).  
Otherwise, either the gun connector or  
wiring harness is faulty.  
CAUTION  
If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, contact your  
Local Lincoln Authorized Field Service Facility for technical troubleshooting assistance before you proceed.  
SYNERGIC 7 & 7H  
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E-5  
E-5  
TROUBLESHOOTING  
Observe all Safety Guidelines detailed throughout this manual  
PROBLEMS  
(SYMPTOMS)  
POSSIBLE  
CAUSE  
RECOMMENDED  
COURSE OF ACTION  
9. Wire feed motor runs and solenoid a. Power source is defective.  
a. If arc voltage is present when wire feeder is  
connected to the other input receptacle (#1 or  
#2) of power source then power source is  
defective. Otherwise, select a stick procedure  
on power source, connect a known good input  
cable (see step b) to wire feeder #1 receptacle  
of power source, and jumper across sockets C  
and D of 8-socket input cable plug. If no arc  
voltage is present (refer to display on power  
source) then power source is defective.  
turns on but no arc voltage pre-  
sent.  
b. Input cable is defective.  
b. Disconnect input cable from power source and  
wire feeder. Check continuity between socket  
C of 8-socket plug and pin C of 14-pin plug of  
the input cable, and between socket D of 8-  
socket plug and pin D of 14-pin plug of the  
input cable. Replace cable if no continuity.  
c. Wiring harness or Control PC  
board is defective.  
c. Check continuity between pin C of 8-pin recep-  
tacle and pin 7 of plug P1, and between pin D  
of 8-pin receptacle and pin 6 of plug P1. If no  
continuity then harness is faulty, otherwise  
replace Control PC board. (See procedure for  
replacing PC boards.)  
10. Speed does not change when  
weld current flows.  
a. Run-in and weld speeds are set  
to the same value or run-in is set  
to ---.  
a. Set run-in and weld speeds to desired set-  
tings.  
b. Power Source may be defective  
or there may be a problem with  
the Serial communications.  
b. Make sure that parameters on power source  
display, such as WFS, match those on wire  
feeder display. If not, refer to Problem 14.  
Otherwise, replace control PC board. (See  
procedure for replacing PC boards.)  
11. Voltmeter does not function or  
read properly when arc voltage is  
present.  
a. Electrode sensing lead or connec- a. Check continuity from brass block on wire  
tions may be intermittent.  
feeder to pin F of 8-pin control cable recepta-  
cle on wire feeder. If there is no continuity,  
repair faulty connection.  
b. Serial communication problem.  
b. Make sure that parameters on power source  
display, such as WFS, match those on wire  
feeder display. If not, refer to Problem 14.  
Otherwise, replace Control PC board. (See  
procedure for replacing PC boards.)  
CAUTION  
If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, contact your  
Local Lincoln Authorized Field Service Facility for technical troubleshooting assistance before you proceed.  
SYNERGIC 7 & 7H  
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E-6  
E-6  
TROUBLESHOOTING  
Observe all Safety Guidelines detailed throughout this manual  
PROBLEMS  
(SYMPTOMS)  
POSSIBLE  
CAUSE  
RECOMMENDED  
COURSE OF ACTION  
12. Arrow keys do not change Weld a. This is normal, as only the WFS and  
a. Refer to operation section of this manual  
speed or volts/trim.  
volts/trim knobs will adjust these settings.  
13. WFS knob does not change  
Run-in speed.  
a. This is normal, as only the arrow a. Refer to operation section of this manual.  
keys will adjust this setting.  
14. WFS and preset Volts/Trim para- a. Power source is defective.  
meters on wire feeder display do  
not match those on power  
a. If parameters on power source and wire  
feeder display match when wire feeder is  
connected to the other input receptacle (#1  
or #2) of power source then power source  
is defective.  
source display.  
b. Problem with serial communica-  
tions in control cable.  
b. Disconnect input cable from power source  
and wire feeder. Check continuity between  
socket G of 8-socket plug and pin G of 14  
pin plug of the input cable. Check continu-  
ity between socket H of 8-socket plug and  
pin H of 14-pin plug of the input cable.  
Replace cable if no continuity.  
c. Problem with wire feeder harness c. Remove molex plug P1 from J1 on Control  
or Control PCB.  
PCB. Check continuity from pin G of 8-pin  
receptacle on wire feeder to pin 4 of plug  
P1, and from pin H of 8-pin receptacle to  
pin 3 of plug P1. If no continuity then repair  
harness, otherwise replace Control PCB.  
(See procedure for replacing PC boards.)  
15. Display does not change when  
WFS and/or Volts/Trim knobs  
are turned.  
a. A remote control kit is connected. a. When a remote control kit is connected to  
the Wire Feeder, the WFS and Volts/Trim  
knobs of the Wire Feeder become inactive  
and the WFS and Volts/Trim knobs of the  
remote control kit must be used.  
b. Broken harness wire(s) or harness b. Check for continuity between correspond-  
disconnected from Encoder  
board(s) or Control board.  
ing harness leads of molex plug P2 on  
Control board and molex plugs P12 and  
P13 on Encoder boards (refer to wiring dia-  
gram). If any of these continuity tests fail,  
repair or replace harness.  
c. Defective Encoder boards and/or c. If b. is not the problem and neither the WFS  
Control board.  
or Volts/Trim knobs are properly adjusting  
then replace the Control board. If one of  
the knobs is properly adjusting, plug the  
harness, P12 or P13, from the working  
board into the nonfunctional board. If the  
previously nonfunctional board is now work-  
ing then replace the Control board, other-  
wise replace the nonfunctional Encoder  
board. (See procedure for replacing PC  
boards.)  
CAUTION  
If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, contact your  
Local Lincoln Authorized Field Service Facility for technical troubleshooting assistance before you proceed.  
SYNERGIC 7 & 7H  
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E-7  
E-7  
TROUBLESHOOTING  
Observe all Safety Guidelines detailed throughout this manual  
PROBLEMS  
(SYMPTOMS)  
POSSIBLE  
CAUSE  
RECOMMENDED  
COURSE OF ACTION  
16. Wire feeder's display does not  
change when WFS and/or  
Volts/Trim knobs of the remote  
control kit are turned.  
a. Loose connection to Remote con- a. Make sure that remote cable connec-  
trol receptacle, J16.  
tions are tight.  
b. Faulty Remote PC board.  
b. If either the WFS knob, the Volts/Trim  
knob, or the dual procedure switch of  
the remote control kit is operating  
properly then replace the Remote PC  
board.  
c. Faulty remote cable.  
c. Remove remote cable from wire feed-  
er and unplug connector P2 from J2 in  
remote control kit. Check continuity  
between pin 1 of J2 and socket B of  
remote receptacle, between pin 2 of  
J2 and socket A of remote receptacle,  
between pin 3 of J2 and socket D of  
remote receptacle, and between pin 4  
of J2 and socket C of remote recepta-  
cle. If any of these continuity tests fail  
then repair or replace remote cable.  
d. Remove plug from J1 on Remote PC  
board and unplug connector P2 from  
J2 in remote control kit. Check conti-  
nuity between pin 1 of P2 and pin 2 of  
P1, between pin 2 of P2 and pin 3 of  
P1, between pin 3 of P2 and pin 4 of  
P1, and between pin 4 of P2 and pin 5  
of P1. If any of these tests failed,  
repair or replace remote wiring har-  
ness.  
d. Faulty remote wiring harness.  
e. Faulty wire feeder harness or  
remote cable receptacle.  
e. Remove plug from J2 on Control  
board of wire feeder and remove  
remote cable from wire feeder. Check  
continuity between socket A of remote  
receptacle J16 and pin 14 of plug P2,  
between socket B of remote recepta-  
cle and pin 7 of plug P2, between  
socket C of remote receptacle and pin  
15 of plug P2, and between socket D  
of remote receptacle and pin 16 of  
plug P2. If any of these tests failed  
then repair or replace wiring harness.  
Check continuity between either of the  
four pins of receptacle J16. If there is  
continuity between either of the pins  
then receptacle is faulty.  
f. Faulty Control board or Remote  
PC board.  
f. Try replacing Remote PC board. If  
this does not solve the problem then  
replace Control board of wire feeder.  
(See procedure for replacing PC  
boards.)  
CAUTION  
If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, contact your  
Local Lincoln Authorized Field Service Facility for technical troubleshooting assistance before you proceed.  
SYNERGIC 7 & 7H  
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E-8  
E-8  
TROUBLESHOOTING  
Observe all Safety Guidelines detailed throughout this manual  
PROBLEMS  
(SYMPTOMS)  
POSSIBLE  
CAUSE  
RECOMMENDED  
COURSE OF ACTION  
17. Dual procedure is not functioning a. Optional gun dual procedure  
a. When the dual procedure switch is in the “Gun”  
position then either the remote or the optional gun  
dual procedure switch must be used to select  
between procedures “A” and “B”.  
when using the local dual proce-  
dure switch.  
switch or remote control kit may  
be connected.  
b. Serial communication problem.  
b. Make sure that parameters on power source dis-  
play, such as WFS, match those on wire feeder  
display. If not, refer to Problem 14.  
c. Faulty local dual procedure switch, c. Disconnect harness plug from J2 on Control  
wiring harness, or Control board.  
board. Check continuity between plug pins 1 and  
12 when local dual procedure switch is in position  
"A", but not when in "Gun" or "B". Now check con-  
tinuity between plug pins 5 and 12 when local dual  
procedure switch is in position "B", but not when in  
"Gun" or "A". If any of these continuity tests fail,  
repair or replace switch or switch harness to cor-  
rect problem. Otherwise, replace Control board.  
(See procedure for replacing PC boards.)  
18. Optional gun dual procedure  
a. Local dual procedure switch is not in "Gun" a. Place local dual procedure switch in "Gun" posi-  
switch is not functioning properly. position, and/or remote control kit's dual  
procedure switch is not in "Gun" position.  
tion and, if a remote control kit is attached, place  
its dual procedure switch in "Gun" position also.  
b. If a remote control kit is attached, remove it. If  
this solves the problem, refer to Problem 19.  
c. Make sure parameters on power source display,  
such as WFS, match those on wire feeder display.  
If not, refer to Problem 14.  
b. Faulty remote control kit.  
c. Serial communication problem.  
d. Faulty optional gun dual proce-  
dure switch.  
d. Remove switch. Make sure there is continuity  
between switch pins with switch closed, and no  
continuity with switch open. If either of these tests  
failed, repair or replace switch.  
e. Faulty wiring harness or optional  
gun dual procedure amphenol.  
e. Remove optional gun dual procedure switch and  
disconnect harness plug from J2 on Control  
board. Check that there is continuity between pin  
A of receptacle J17 and pin 13 of plug P2. Check  
that there is continuity between pin C of recepta-  
cle J17 and pin 4 of plug P2. Check no continuity  
between pins A and C of receptacle J17. If any of  
these continuity tests fail, repair or replace switch  
amphenol J17 or switch harness.  
f. Faulty local dual procedure switch. f. Perform step c. of Problem 17.  
g. Faulty Control board.  
g. Replace Control PC board. (See procedure for  
replacing PC boards.)  
CAUTION  
If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, contact your  
Local Lincoln Authorized Field Service Facility for technical troubleshooting assistance before you proceed.  
SYNERGIC 7 & 7H  
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E-9  
E-9  
TROUBLESHOOTING  
Observe all Safety Guidelines detailed throughout this manual  
PROBLEMS  
(SYMPTOMS)  
POSSIBLE  
CAUSE  
RECOMMENDED  
COURSE OF ACTION  
19. Dual procedure switch of remote a. Local dual procedure switch is not a. Local dual procedure switch should be  
control kit is not functioning prop-  
erly.  
in "Gun" position, and/or an  
optional gun dual procedure  
switch is attached.  
in "Gun" position if a remote control kit  
is attached. If an optional gun dual  
procedure switch is attached and both  
the local dual procedure switch and  
remote's dual procedure switch are in  
"Gun" position then the optional gun  
dual procedure switch is used to  
switch between procedures "A" and  
"B".  
b. Faulty communication between  
wire feeder and remote control kit.  
b. If knobs on remote control kit are not  
operating properly, refer to Problem  
16.  
c. Faulty dual procedure switch,  
wiring harness, or PC board in  
remote control kit.  
c. Disconnect harness plug from Remote  
PC board. Check that there is conti-  
nuity between plug pins 7 and 8 when  
dual procedure switch is in position  
"A", but not when in "Gun" or "B".  
Now check that there is continuity  
between plug pins 6 and 7 when dual  
procedure switch is in position "B", but  
not when in "Gun" or "A". If any of  
these tests failed, repair or replace  
switch or switch harness. Otherwise  
replace Remote PC board.  
20. Purge key does not turn on sole- a. Defective keypad or Display PC  
noid but trigger closure does. board is defective.  
a. Check continuity between sockets 5  
and 1 of keypad connector when  
purge key is closed. If not, then  
replace keypad, otherwise replace  
Display PC board. (See Procedure  
for Replacing PC boards).  
21. Cold Feed key does not turn on a. Defective keypad or Display PC  
a. Check continuity between sockets 4  
and 1 of keypad connector when Cold  
Feed key is closed. If not, then  
replace keypad, otherwise replace  
Display PC board. (See Procedure  
for Replacing PC boards).  
wire feed motor but trigger clo-  
sure does.  
board is defective.  
22. Display and/or indicator lights do a. Defective keypad or Display PC  
a. Ring out keypad. Replace if defec-  
tive. If not, then replace Display PC  
board. (See Procedure for Replacing  
PC boards).  
not change when the arrow or  
select keys are pressed.  
board.  
CAUTION  
If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, contact your  
Local Lincoln Authorized Field Service Facility for technical troubleshooting assistance before you proceed.  
SYNERGIC 7 & 7H  
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E-10  
E-10  
TROUBLESHOOTING  
Observe all Safety Guidelines detailed throughout this manual  
PROBLEMS  
(SYMPTOMS)  
POSSIBLE  
CAUSE  
RECOMMENDED  
COURSE OF ACTION  
23. Display is blank  
a. Power source is OFF.  
a. Turn ON power source.  
b. Feeder supply fuse or circuit  
breaker at power source is blown  
or tripped.  
b. Check input cable and feeder unit for  
short in 41 and 42 circuit. Check for  
shorted motor. Replace fuse or reset  
circuit breaker.  
c. Display or Control PC board is  
bad  
c. Observe LED mounted on Control PC  
board. It should blink on and off at a  
controlled rate of 1 second ON and 1  
second OFF. If so, then replace  
Display PC board. If not, replace  
Control PC board. (See Procedure  
for Replacing PC boards)  
CAUTION  
If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, contact your  
Local Lincoln Authorized Field Service Facility for technical troubleshooting assistance before you proceed.  
SYNERGIC 7 & 7H  
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E-11  
E-11  
TROUBLESHOOTING  
Observe all Safety Guidelines detailed throughout this manual  
PROBLEMS  
(SYMPTOMS)  
POSSIBLE  
CAUSE  
RECOMMENDED  
COURSE OF ACTION  
24. Display shows any of the following:  
HI  
a. Voltmeter function is selected and arc a. Normal operation. Voltmeter only reads 0-  
voltage is > 80 VDC.  
80 VDC.  
---  
a. Run-in speed is selected but is dis-  
abled.  
a. Run-in speed is now = weld speed. To re  
enable Run-in speed simply press the  
increase arrow key.  
HXX  
Er  
a. See Problem 5 or see Section on  
Safety Precautions.  
a. XX indicates time in seconds before unit  
will automatically reset.  
a. EEPROM error.  
a. Parameter recalled at power-up was out of  
range. Press any key to reset. Check all  
settings before proceeding to weld. If this  
condition persists then ROM assembly X8  
on the Control PC board is faulty. Replace  
Control PC board. (See procedure for  
replacing PC boards.)  
EXX  
EP  
a. Where XX is a number from 1 to 10.  
System error.  
a. Turn off power to feeder. Wait for 5 sec-  
onds. Turn power back on. If EXX is dis-  
played again then ROM assembly X8 on  
the Control board is faulty. Replace  
Control PC board. (See procedure for  
replacing PC boards.)  
a. EPROM checksum error.  
a. Microprocessor RAM error.  
a. Turn off power to feeder. Wait 5 seconds.  
Turn power back on. If EP is displayed  
again then ROM assembly X8 on Control  
PC board is faulty. Replace Control PC  
board. (See procedure for replacing PC  
boards.)  
uP  
a. Turn off power to feeder. Wait 5 seconds.  
Turn power back on. If uP is displayed  
again then ROM assembly X8 on the  
Control PC board is faulty. Replace  
Control PC board. (See procedure for  
replacing PC boards.  
GLP  
a. Grounding Lead Protector circuit is  
activated, due to excessive current  
flow into the wire feeder frame.  
a. To return to normal operating mode,  
release the trigger, and press any key on  
the keypad. If "GLP" is still displayed or if  
it appears again before the trigger is  
closed then proceed to step b. Otherwise,  
before proceeding to weld make sure that  
the electrode is not touching the wire feed-  
er frame.  
b. Faulty GLP reed switch, harness, or  
Control PCB.  
b. Replace GLP reed switch CR1 if it is  
shorted. Check the wiring harness  
between GLP reed switch CR1 and the  
Control board. Repair or replace faulty  
harness. If the reed switch and the wiring  
harness are both OK then replace the  
Control board.  
CAUTION  
If for any reason you do not understand the test procedures or are unable to perform the tests/repairs safely, contact your  
Local Lincoln Authorized Field Service Facility for technical troubleshooting assistance before you proceed.  
SYNERGIC 7 & 7H  
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E-12  
E-12  
TROUBLESHOOTING  
Procedure for Replacing PC Boards  
WARNING  
ELECTRIC SHOCK can kill.  
• Have a qualified individual install and  
service this equipment.  
• Turn the power source input power off  
at the disconnect switch before work-  
ing on this equipment.  
• Do not touch electrically hot parts.  
---------------------------------------------------------------------  
Before replacing a PC board which is suspected of  
being defective, visually inspect the PC board in ques-  
tion for any electrical or mechanical damage to any of  
its components and conductors on the back of the  
board.  
a. If there is no visible damage to the PC board,  
install a new one and see if this remedies the prob-  
lem. If the problem is remedied, reinstall the old  
PC board to see if the problem still exists. If it  
does no longer exist with old PC board:  
1. Check the PC board harness connector pins for  
corrosion, contamination, or looseness.  
2. Check leads in the plug harness for loose or  
intermittent connection.  
b. If PC board is visibly damaged electrically, before  
possibly subjecting the new PC board to the same  
cause of failure, check for possible shorts, opens,  
or grounds caused by:  
1. Frayed or pinched lead insulation.  
2. Poor lead termination, such as a poor contact  
or a short to adjacent connection or surface.  
3. Shorted or open motor leads, or other external  
leads.  
4. Foreign matter or interference behind the PC  
boards.  
c. If PC board is visibly damaged mechanically,  
inspect for cause, then remedy before installing a  
replacement PC board.  
If there is damage to the PC board or if replacing  
PC board corrects problem, return it to the local  
Lincoln Electric Field Service Shop.  
SYNERGIC 7 & 7H  
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F-1  
F-1  
DIAGRAMS  
5 1 9  
5 2 0  
5 2 1  
ENCODER PC BOARD  
ENCODER PC BOARD  
5 0 0  
5 1 2 A  
5 5 3  
5 5 2  
5 5 1  
5 5 4  
*
*
*
*
*
*
5 5 3  
5 5 1  
5 0 0  
U
*
*
5 5 4  
U
5 1 2 A  
5 5 2  
8 2 R  
8 1 R  
5 1 2 B  
5 1 9  
5 2 0  
5 2 7  
5 2 6  
*
5 0 5  
5 0 0  
5 0 0  
5 1 9  
5 2 0  
5 1 7  
5 1 6  
5 2 1  
W
2
*
4
5 0 0 M  
8 1  
8 2  
W
5 4 2  
R . F . T O R O I D A S S E M B L Y  
R E C E P T A C L E  
I N P U T C A B L E  
SYNERGIC 7 & 7H  
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F-2  
F-2  
DIAGRAMS  
INPUT CONNECTION DIAGRAM  
SYNERGIC 7 & 7H  
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F-3  
F-3  
DIAGRAMS  
DIMENSION PRINT  
SYNERGIC 7 & 7H  
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NOTES  
SYNERGIC 7 & 7H  
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NOTES  
SYNERGIC 7 & 7H  
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NOTES  
SYNERGIC 7 & 7H  
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NOTES  
SYNERGIC 7 & 7H  
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Do not touch electrically live parts or  
electrode with skin or wet clothing.  
Insulate yourself from work and  
ground.  
Keep flammable materials away.  
Wear eye, ear and body protection.  
WARNING  
Spanish  
No toque las partes o los electrodos Mantenga el material combustible  
Protéjase los ojos, los oídos y el  
bajo carga con la piel o ropa moja-  
da.  
Aislese del trabajo y de la tierra.  
fuera del área de trabajo.  
cuerpo.  
AVISO DE  
PRECAUCION  
French  
Ne laissez ni la peau ni des vête-  
ments mouillés entrer en contact  
avec des pièces sous tension.  
Gardez à l’écart de tout matériel  
inflammable.  
Protégez vos yeux, vos oreilles et  
votre corps.  
ATTENTION  
Isolez-vous du travail et de la terre.  
German  
Berühren Sie keine stromführenden  
Teile oder Elektroden mit Ihrem  
Körper oder feuchter Kleidung!  
Isolieren Sie sich von den  
Entfernen Sie brennbarres Material! Tragen Sie Augen-, Ohren- und Kör-  
perschutz!  
WARNUNG  
Elektroden und dem Erdboden!  
Portuguese  
Não toque partes elétricas e elec-  
trodos com a pele ou roupa molha-  
da.  
Mantenha inflamáveis bem guarda- Use proteção para a vista, ouvido e  
dos.  
corpo.  
ATENÇÃO  
Isole-se da peça e terra.  
Japanese  
Chinese  
Korean  
Arabic  
READ AND UNDERSTAND THE MANUFACTURER’S INSTRUCTION FOR THIS EQUIPMENT AND THE CONSUMABLES TO BE  
USED AND FOLLOW YOUR EMPLOYER’S SAFETY PRACTICES.  
SE RECOMIENDA LEER Y ENTENDER LAS INSTRUCCIONES DEL FABRICANTE PARA EL USO DE ESTE EQUIPO Y LOS  
CONSUMIBLES QUE VA A UTILIZAR, SIGA LAS MEDIDAS DE SEGURIDAD DE SU SUPERVISOR.  
LISEZ ET COMPRENEZ LES INSTRUCTIONS DU FABRICANT EN CE QUI REGARDE CET EQUIPMENT ET LES PRODUITS A  
ETRE EMPLOYES ET SUIVEZ LES PROCEDURES DE SECURITE DE VOTRE EMPLOYEUR.  
LESEN SIE UND BEFOLGEN SIE DIE BETRIEBSANLEITUNG DER ANLAGE UND DEN ELEKTRODENEINSATZ DES HER-  
STELLERS. DIE UNFALLVERHÜTUNGSVORSCHRIFTEN DES ARBEITGEBERS SIND EBENFALLS ZU BEACHTEN.  
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Keep your head out of fumes.  
Use ventilation or exhaust to  
remove fumes from breathing zone.  
Turn power off before servicing.  
Do not operate with panel open or  
guards off.  
WARNING  
Spanish  
Los humos fuera de la zona de res-  
piración.  
Mantenga la cabeza fuera de los  
humos. Utilice ventilación o  
aspiración para gases.  
Desconectar el cable de ali-  
mentación de poder de la máquina  
antes de iniciar cualquier servicio.  
No operar con panel abierto o  
guardas quitadas.  
AVISO DE  
PRECAUCION  
French  
Débranchez le courant avant l’entre- N’opérez pas avec les panneaux  
tien.  
Gardez la tête à l’écart des fumées.  
Utilisez un ventilateur ou un aspira-  
teur pour ôter les fumées des zones  
de travail.  
ouverts ou avec les dispositifs de  
protection enlevés.  
ATTENTION  
German  
Strom vor Wartungsarbeiten  
abschalten! (Netzstrom völlig öff-  
nen; Maschine anhalten!)  
Anlage nie ohne Schutzgehäuse  
oder Innenschutzverkleidung in  
Betrieb setzen!  
Vermeiden Sie das Einatmen von  
Schweibrauch!  
Sorgen Sie für gute Be- und  
Entlüftung des Arbeitsplatzes!  
WARNUNG  
Portuguese  
Não opere com as tampas removidas.  
Desligue a corrente antes de fazer  
serviço.  
Mantenha-se afastado das partes  
moventes.  
Não opere com os paineis abertos  
ou guardas removidas.  
Mantenha seu rosto da fumaça.  
Use ventilação e exhaustão para  
remover fumo da zona respiratória.  
ATENÇÃO  
Não toque as partes elétricas nuas.  
Japanese  
Chinese  
Korean  
Arabic  
LEIA E COMPREENDA AS INSTRUÇÕES DO FABRICANTE PARA ESTE EQUIPAMENTO E AS PARTES DE USO, E SIGA AS  
PRÁTICAS DE SEGURANÇA DO EMPREGADOR.  
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• World's Leader in Welding and Cutting Products •  
• Sales and Service through Subsidiaries and Distributors Worldwide •  
Cleveland, Ohio 44117-1199 U.S.A. TEL: 216.481.8100 FAX: 216.486.1751 WEB SITE: www.lincolnelectric.com  
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