Chicago Electric Welder 98753 User Manual

Stitch welder  
98753  
Set up and Operating inStructiOnS  
®
distributed exclusively by harbor Freight tools .  
3491 Mission Oaks Blvd., Camarillo, CA 93011  
Visit our website at: http://www.harborfreight.com  
read this material before using this product.  
Failure to do so can result in serious injury.  
SaVe thiS manual.  
©
®
Copyright 2008 by Harbor Freight Tools . All rights reserved. No portion of this manual or any artwork  
contained herein may be reproduced in any shape or form without the express written consent of  
Harbor Freight Tools. Diagrams within this manual may not be drawn proportionally. Due to continuing  
improvements, actual product may differ slightly from the product described herein. Tools required for  
assembly and service may not be included.  
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c.do not abuse the cord. never use  
the cord for carrying, pulling or  
unplugging the welder. Keep cord  
away from heat, oil, sharp edges or  
moving parts. Damaged or entan-  
gled cords increase the risk of electric  
shock.  
This enables better control of the  
welder in unexpected situations.  
e.dress properly. do not wear loose  
clothing or jewelry. Keep your  
hair, clothing and gloves away  
from moving parts. Loose clothes,  
jewelry or long hair can be caught in  
moving parts.  
d.when operating a welder outdoors,  
use an extension cord suitable for  
outdoor use. Use of a cord suitable  
for outdoor use reduces the risk of  
electric shock.  
f. Only use safety equipment that  
has been approved by an appropri-  
ate standards agency. Unapproved  
safety equipment may not provide  
adequate protection. Eye protection  
must be ANSI-approved and breath-  
ing protection must be NIOSH-ap-  
proved for the specific hazards in the  
work area.  
e.if operating a welder in a damp  
location is unavoidable, use a  
ground Fault circuit interrupter  
(gFci) protected supply. Use of  
a GFCI reduces the risk of electric  
shock.  
4. welder use and care  
3. personal safety  
a.do not force the welder. use the  
correct welder for your application.  
The correct welder will do the job bet-  
ter and safer at the rate for which it  
was designed.  
a.Stay alert, watch what you are do-  
ing and use common sense when  
operating a welder. do not use a  
welder while you are tired or under  
the influence of drugs, alcohol or  
medication. A moment of inattention  
while operating welders may result in  
serious personal injury.  
b.Store idle welders out of the reach  
of children and do not allow per-  
sons unfamiliar with the welder or  
these instructions to operate the  
welder. Welders are dangerous in  
the hands of untrained users.  
b.use personal protective equip-  
ment. always wear eye protection.  
Safety equipment such as welding  
mask, non-skid safety shoes, and  
welding apron used for appropriate  
conditions will reduce personal inju-  
ries.  
c.maintain welders. check for mis-  
alignment or binding of moving  
parts, breakage of parts and any  
other condition that may affect the  
welder’s operation. if damaged,  
have the welder repaired before  
use. Many accidents are caused by  
poorly maintained welders.  
c.prevent unintentional starting. en-  
sure the switch of the stick welder  
is in the off-position before con-  
necting to power source, picking  
up or carrying the tool.  
d.use the welder, accessories and  
tool bits etc. in accordance with  
these instructions, taking into ac-  
count the working conditions and  
the work to be performed. Use of  
d.do not overreach. Keep proper  
footing and balance at all times.  
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the welder for operations different  
from those intended could result in a  
hazardous situation.  
• Any power cord must be properly  
grounded. Ground Fault Circuit Inter-  
rupter (GFCI) should also be imple-  
mented – it prevents sustained elec-  
trical shock.  
5. Service  
a.have your welder serviced by a  
qualified repair person using only  
identical replacement parts. This  
will ensure that the safety of the  
welder is maintained.  
7. WARNING: The brass components  
of this product contain lead, a chemi-  
cal known to the State of California  
to cause birth defects (or other repro-  
ductive harm). (California Health &  
Safety code § 25249.5, et seq.)  
Stitch welder Safety warnings  
8. Some dust created by power sand-  
ing, sawing, grinding, drilling, and  
other construction activities, contains  
chemicals known [to the State of Cali-  
fornia] to cause cancer, birth defects  
or other reproductive harm. Some  
examples of these chemicals are:  
• Lead from lead-based paints  
1. Maintain labels and nameplates on  
the tool. These carry important safety  
information. If unreadable or miss-  
ing, contact Harbor Freight Tools for a  
replacement.  
2. Avoid unintentional starting. Prepare  
to begin work before turning on the  
tool.  
• Crystalline silica from bricks and ce-  
ment or other masonry products  
• Arsenic and chromium from chemi-  
cally treated lumber  
3. Rest the tool and connection to the  
electrode holder on a properly insu-  
lated surface.  
Your risk from these exposures var-  
ies, depending on how often you do  
this type of work. To reduce your  
exposure to these chemicals: work in  
a well ventilated area, and work with  
approved safety equipment, such as  
those dust masks that are specially  
designed to filter out microscopic  
particles. (California Health & Safety  
Code § 25249.5, et seq.)  
4. Do not leave the tool unattended  
when it is plugged into an electrical  
outlet. Turn off the tool, and unplug it  
from the welder before leaving.  
5. This product is not a toy. Keep it out  
of reach of children.  
6. People with pacemakers should  
consult their physician(s) before use.  
Electromagnetic fields in close prox-  
imity to heart pacemaker could cause  
pacemaker interference or pacemak-  
er failure. In addition, people with  
pacemakers should:  
9. WARNING: Handling the cord on  
this product will expose you to lead,  
a chemical known to the State of  
California to cause cancer, and birth  
defects or other reproductive harm.  
Wash hands after handling. (Califor-  
nia Health & Safety Code § 25249.5,  
et seq.)  
• Avoid operating alone.  
• Do not use with power switch locked  
on.  
• Properly maintain and inspect to  
avoid electrical shock.  
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10. Do not exceed input amperage of 50  
Amps.  
reach. Thoroughly clean the object  
being welded of any paint, grease, or  
other foreign material.  
11. The warnings, precautions, and in-  
structions discussed in this instruction 4. If working on a wall or ceiling prevent  
manual cannot cover all possible con-  
ditions and situations that may occur.  
It must be understood by the operator  
that common sense and caution are  
factors which cannot be built into this  
product, but must be supplied by the  
operator.  
ignition of combustibles on the other  
side by moving them to a safe loca-  
tion.  
5. Industrial applications must follow  
OSHA guidelines. Follow OSHA  
guidelines for Permissible Exposure  
Limits (PEL’s) for various fumes and  
gases.  
electrical Safety  
6.  
Prevent eye  
injury and  
burns. Wearing  
and using  
ANSI-approved  
1. Avoid electrical shock. Do not per-  
mit electrically live parts, cables, or  
electrodes to contact skin, clothing, or  
gloves. Wear ANSI-approved protec-  
tive clothing. This unit draws enough  
current to cause serious injury or  
death. Before turning the welder on,  
check the electrode holder to be sure  
that there are no protruding screws,  
and that all insulation is secure. Do  
not weld unless you are insulated  
from ground and the work piece.  
personal safety clothing and safety  
devices reduce the risk for injury.  
7. Leather leggings, fire resistant shoes  
or boots should be worn when using  
this product. Do not wear pants with  
cuffs, shirts with open pockets, or  
any clothing that can catch and hold  
molten metal or sparks.  
2. Avoid eye and body damage. Arc  
rays and infrared radiation can injure  
eyes and burn skin. Wear ANSI ap-  
proved eye and body protection. Do  
not allow viewing by visitors without  
proper eye and body protection. Use  
a welding helmet with #11 lens and  
arc shaded filter plate.  
8. Keep clothing and work surfaces free  
of grease, oil, solvents, or any flam-  
mable substances. Wear dry, insulat-  
ing gloves and protective clothing.  
9. Wear an approved head covering  
to protect the head and neck. Use  
aprons, cape, sleeves, shoulder cov-  
ers, and bibs designed and approved  
for welding and cutting procedures.  
3.  
Prevent accidental fires.  
Remove any combustible  
material from the work  
10. When welding/cutting overhead or in  
confined spaces, wear flame resistant  
ear plugs or ear muffs to keep sparks  
out of ears.  
area. Move flammable  
and explosive material at  
least 35 feet from the welding arc to  
prevent welding sparks or molten  
metal from starting a fire. Keep a type  
ABC fire extinguisher within easy  
11. Do not use near degreasing or paint-  
ing operations.  
SKU 98753  
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12. Enclose the work area with portable  
fire resistant screens. Protect com-  
bustible walls, ceilings, floors, etc.,  
from sparks and heat with fire resis-  
tant covers.  
3. Wear suitable gloves to reduce the  
vibration effects on the user.  
4. Use tools with the lowest vibration  
when there is a choice between dif-  
ferent processes.  
13. Use a non-conductive safety mat on  
the work surface to insulate the op-  
erator from the work surface.  
5. Include vibration-free periods each  
day of work.  
6. Grip tool as lightly as possible (while  
still keeping safe control of it). Let  
the tool do the work.  
14. Read the manual for the ARC welder  
that the Stitch Welder will be con-  
nected to.  
7. To reduce vibration, maintain the tool  
as explained in this manual. If any  
abnormal vibration occurs, stop use  
immediately.  
Vibration Safety  
This tool vibrates during use. Re-  
peated or long-term exposure to  
vibration may cause temporary or  
permanent physical injury, particularly  
to the hands, arms and shoulders. To  
reduce the risk of vibration-related  
injury:  
SaVe theSe  
inStructiOnS.  
1. Anyone using vibrating tools regu-  
larly or for an extended period should  
first be examined by a doctor and  
then have regular medical check-  
ups to ensure medical problems are  
not being caused or worsened from  
use. Pregnant women or people  
who have impaired blood circulation  
to the hand, past hand injuries, ner-  
vous system disorders, diabetes, or  
Raynaud’s Disease should not use  
this tool. If you feel any medical or  
physical symptoms related to vibra-  
tion (such as tingling, numbness, and  
white or blue fingers), seek medical  
advice as soon as possible.  
2. Do not smoke during use. Nico-  
tine reduces the blood supply to the  
hands and fingers, increasing the risk  
of vibration-related injury.  
SKU 98753  
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allow access by children or pets to  
prevent injury and distraction.  
SpeciFicatiOnS  
Maximum Amperage  
55 A  
2. Route the power cord along a safe  
route to reach the work area without  
creating a tripping hazard or exposing  
the power cord to possible damage.  
The power cord must reach the work  
area with enough extra length to al-  
low free movement while working.  
18 to 22 Gauge Sheet  
Metal  
Material Range  
Welding Rods  
1/16” Diameter, 6013 &  
6014 (not included)  
unpacKing  
3. Secure loose work pieces using a  
vise or clamps (not included) to pre-  
vent movement while working.  
When unpacking, check to make sure  
that the item is intact and undamaged. If  
any parts are missing or broken, please  
call Harbor Freight Tools at the number  
shown on the cover of this manual as soon  
as possible.  
4. There must not be hazardous ob-  
jects, such as utility lines or foreign  
objects, nearby that will present a  
hazard while working.  
Operating inStructiOnS  
general Operating instructions  
read the entire impOrtant  
SaFetY inFOrmatiOn  
section at the beginning of this  
manual including all text under  
subheadings therein before set  
up or use of this product.  
tO preVent  
death Or  
SeriOuS injurY:  
do not touch any metal part of  
the Stitch welder when it is in  
use.  
tool Set up  
1. Read the manual for the ARC (stick)  
welder being used with the Stitch  
Welder.  
tO preVent  
SeriOuS injurY  
FrOm accidental  
OperatiOn:  
2. If welding on a vehicle; disconnect  
the negative terminal of the vehicle’s  
battery.  
turn the power Switch of the  
arc welder to its “OFF”  
position and unplug the tool  
from its electrical outlet  
before performing any  
inspection, maintenance, or  
cleaning procedures.  
3. Clean the work area thoroughly be-  
fore beginning operation. Remove  
all grease, paint, or oil from the work-  
piece.  
4. Wear protective gear whenever weld-  
ing.  
work piece and work area Set up  
5. Loosen the Rod Holder (15) and  
1. Designate a work area that is clean  
and well-lit. The work area must not  
insert a 1/16” diameter 6013 or 6014  
SKU 98753  
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welding rod into the tip of the Stitch  
Welder. Secure the Rod Holder.  
the electrode to ground and turn the  
Welder off.  
6. Clamp the electrode holder of the  
ARC welder onto the Connection (11)  
of the Stitch Welder.  
14. Place the Stitch Welder down on a  
nonflammable, nonconductive sur-  
face to cool.  
7. Adjust the output to no greater than  
50 Amps.  
15. Read the included Weld Diagnosis  
pamphlet for directions and welding  
guidelines.  
8.  
danger! to prevent serious  
injury and death. if the operator  
is not holding the Stitch welder, it  
must be sitting on a nonconduc-  
tive, nonflammable surface. The  
Stitch welder will immediately  
turn on when the power button  
is turned on. the connection be-  
tween the Stitch welder and the  
electrode clamp of the arc welder  
must also be sitting on a noncon-  
ductive, nonflammable surface.  
16. To prevent accidents, disconnect the  
Stitch Welder from the ARC welder  
after use. Clean, then store the tool  
indoors out of children’s reach.  
9. Turn on the ARC welder.  
10. When turned on the Stitch Welder will  
vibrate lightly; this is normal.  
11. Using “tack welds” to secure two  
metal sheets together will help en-  
sure a better final product. Tack  
welds are short welds intended to  
secure the two workpieces together  
before starting a longer final weld.  
Tack welds should begin in the center  
of the sheeting and work outward al-  
ternately until the edges are reached.  
All tack welds should be properly  
cleaned up before continuing to the  
final weld.  
12. Apply the Stitch Welder to the sheet-  
ing being welded; the arc will ignite.  
Slowly draw the arc along the seam.  
13. When finished welding; lift the elec-  
trode from the workpiece, discharge  
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replaced only by a qualified ser-  
vice technician.  
maintenance and  
SerVicing  
pleaSe read the FOllOwing  
careFullY  
Procedures not specifically  
explained in this manual  
must be performed only by a  
qualified technician.  
THE MANUFACTURER AND/OR DISTRIBUTOR  
HAs PRoviDED THE PARTs LisT AnD  
AssEMBLy DiAgRAM in THis MAnuAL As  
A REfEREnCE TooL onLy. nEiTHER THE  
MANUFACTURER OR DISTRIBUTOR MAKES  
ANY REPRESENTATION OR WARRANTY OF  
ANY KIND TO THE BUYER THAT HE OR SHE  
is quALifiED To MAKE Any REPAiRs To THE  
PRoDuCT, oR THAT HE oR sHE is quALifiED  
To REPLACE Any PARTs of THE PRoDuCT.  
IN FACT, THE MANUFACTURER AND/OR  
DisTRiBuToR ExPREssLy sTATEs THAT  
ALL REPAiRs AnD PARTs REPLACEMEnTs  
sHouLD BE unDERTAKEn By CERTifiED  
AnD LiCEnsED TECHniCiAns, AnD noT By  
THE BuyER. THE BuyER AssuMEs ALL RisK  
AnD LiABiLiTy ARising ouT of His oR HER  
REPAiRs To THE oRiginAL PRoDuCT oR  
REPLACEMEnT PARTs THERETo, oR ARising  
ouT of His oR HER insTALLATion of  
REPLACEMEnT PARTs THERETo.  
tO preVent  
SeriOuS injurY  
FrOm accidental  
OperatiOn:  
turn the power Switch of the  
arc welder to its “OFF”  
position and unplug the tool  
from the electrode clamp  
before performing any  
inspection, maintenance, or  
cleaning procedures.  
tO preVent SeriOuS  
injurY FrOm tOOl  
Failure:  
do not use damaged  
equipment. if abnormal noise  
or vibration occurs, have the  
problem corrected before  
further use.  
cleaning and lubrication  
1. BeFOre each uSe, inspect the  
general condition of the tool. Check  
for loose screws, misalignment or  
binding of moving parts, cracked or  
broken parts, damaged electrical wir-  
ing, and any other condition that may  
affect its safe operation.  
2. aFter uSe, when cool clean ex-  
ternal surfaces of the tool with clean  
cloth.  
3.  
warning! if the supply cord of  
this welder is damaged, it must be  
SKU 98753  
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partS liSt  
partS liSt  
part  
description  
Qty.  
part  
description  
Qty.  
1
2
3
4
5
6
7
8
9
Frame  
1
1
1
1
1
1
1
1
1
1
11 Pig Tail  
1
1
1
1
1
1
3
2
1
Front Cover  
Back Cover  
Solenoid  
12 Guard  
13 Handle  
14 Insulator  
15 Rod Holder  
16 Screw M4x6  
17 Nut M4  
18 Lock Washer  
19 Contact  
Washer  
Axis Assembly  
Plug Assembly  
Contact  
Front Spring  
10 Back Spring  
diagram  
record product’s Serial number here:  
note: If product has no serial number, record month and year of purchase instead.  
note: Some parts are listed and shown for illustration purposes only, and are not avail-  
able individually as replacement parts.  
SKU 98753  
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limited 90 daY warrantY  
Harbor Freight Tools Co. makes every effort to assure that its products meet high  
quality and durability standards, and warrants to the original purchaser that this prod-  
uct is free from defects in materials and workmanship for the period of 90 days from  
the date of purchase. This warranty does not apply to damage due directly or indirectly,  
to misuse, abuse, negligence or accidents, repairs or alterations outside our facilities,  
criminal activity, improper installation, normal wear and tear, or to lack of maintenance.  
We shall in no event be liable for death, injuries to persons or property, or for incidental,  
contingent, special or consequential damages arising from the use of our product. Some  
states do not allow the exclusion or limitation of incidental or consequential damages, so  
the above limitation of exclusion may not apply to you. THIS WARRANTY IS ExPRESS-  
Ly in LiEu of ALL oTHER WARRAnTiEs, ExPREss oR iMPLiED, inCLuDing THE  
WARRAnTiEs of MERCHAnTABiLiTy AnD fiTnEss.  
To take advantage of this warranty, the product or part must be returned to us with  
transportation charges prepaid. Proof of purchase date and an explanation of the com-  
plaint must accompany the merchandise. if our inspection verifies the defect, we will ei-  
ther repair or replace the product at our election or we may elect to refund the purchase  
price if we cannot readily and quickly provide you with a replacement. We will return re-  
paired products at our expense, but if we determine there is no defect, or that the defect  
resulted from causes not within the scope of our warranty, then you must bear the cost  
of returning the product.  
This warranty gives you specific legal rights and you may also have other rights  
which vary from state to state.  
3491 Mission Oaks Blvd. • PO Box 6009 • Camarillo, CA 93011 • (800) 444-3353  
SKU 98753  
For technical questions, please call 1-800-444-3353.  
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