Graco Marine Radio 313342D User Manual

Instructions-Parts  
313342D  
EN  
Dosing Valve  
For use with XM and Xtreme Mix plural-component sprayers. For professional use only.  
Part No. 255478, Series B  
XM Sprayer Dosing Valve Assembly  
Maximum working pressure 7250 psi (50 MPa, 500 bar)  
Part No. 245846, Series A  
Xtreme MixSprayer Dosing Valve Assembly  
Maximum working pressure 7250 psi (50 MPa, 500 bar)  
Important Safety Instructions  
Read all warnings and instructions in this manual.  
Save these instructions.  
r_313259_313342_1  
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Warnings  
Warnings  
The following warnings are for the setup, use, grounding, maintenance, and repair of this equipment. The exclama-  
tion point symbol alerts you to a general warning and the hazard symbol refers to procedure-specific risk. Refer back  
to these warnings. Additional, product-specific warnings may be found throughout the body of this manual where  
applicable.  
WARNING  
FIRE AND EXPLOSION HAZARD  
Flammable fumes, such as solvent and paint fumes, in work area can ignite or explode. To help prevent  
fire and explosion:  
Use equipment only in well ventilated area.  
Eliminate all ignition sources; such as pilot lights, cigarettes, portable electric lamps, and plastic drop  
cloths (potential static arc).  
Keep work area free of debris, including solvent, rags and gasoline.  
Do not plug or unplug power cords, or turn power or light switches on or off when flammable fumes  
are present.  
Ground all equipment in the work area. See Grounding instructions.  
Use only grounded hoses.  
Hold gun firmly to side of grounded pail when triggering into pail.  
If there is static sparking or you feel a shock, stop operation immediately. Do not use equipment  
until you identify and correct the problem.  
Keep a working fire extinguisher in the work area.  
EQUIPMENT MISUSE HAZARD  
Misuse can cause death or serious injury.  
Do not operate the unit when fatigued or under the influence of drugs or alcohol.  
Do not exceed the maximum working pressure or temperature rating of the lowest rated system  
component. See Technical Data in all equipment manuals.  
Use fluids and solvents that are compatible with equipment wetted parts. See Technical Data in all  
equipment manuals. Read fluid and solvent manufacturer’s warnings. For complete information  
about your material, request MSDS forms from distributor or retailer.  
Check equipment daily. Repair or replace worn or damaged parts immediately with genuine manu-  
facturer’s replacement parts only.  
Do not alter or modify equipment.  
Use equipment only for its intended purpose. Call your distributor for information.  
Route hoses and cables away from traffic areas, sharp edges, moving parts, and hot surfaces.  
Do not kink or over bend hoses or use hoses to pull equipment.  
Keep children and animals away from work area.  
Comply with all applicable safety regulations.  
PRESSURIZED EQUIPMENT HAZARD  
Fluid from the gun/dispense valve, leaks, or ruptured components can splash in the eyes or on skin and  
cause serious injury.  
Follow Pressure Relief Procedure in this manual, when you stop spraying and before cleaning,  
checking, or servicing equipment.  
Tighten all fluid connections before operating the equipment.  
Check hoses, tubes, and couplings daily. Replace worn or damaged parts immediately.  
313342D  
3
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Warnings  
WARNING  
MOVING PARTS HAZARD  
Moving parts can pinch or amputate fingers and other body parts.  
Keep clear of moving parts.  
Do not operate equipment with protective guards or covers removed.  
Pressurized equipment can start without warning. Before checking, moving, or servicing equipment,  
follow the Pressure Relief Procedure in this manual. Disconnect power or air supply.  
TOXIC FLUID OR FUMES HAZARD  
Toxic fluids or fumes can cause serious injury or death if splashed in the eyes or on skin, inhaled, or  
swallowed.  
Read MSDS’s to know the specific hazards of the fluids you are using.  
Store hazardous fluid in approved containers, and dispose of it according to applicable guidelines.  
Always wear impervious gloves when spraying or cleaning equipment.  
BURN HAZARD  
Equipment surfaces and fluid that’s heated can become very hot during operation. To avoid severe  
burns, do not touch hot fluid or equipment. Wait until equipment/fluid has cooled completely.  
PERSONAL PROTECTIVE EQUIPMENT  
You must wear appropriate protective equipment when operating, servicing, or when in the operating  
area of the equipment to help protect you from serious injury, including eye injury, inhalation of toxic  
fumes, burns, and hearing loss. This equipment includes but is not limited to:  
Protective eyewear  
Clothing and respirator as recommended by the fluid and solvent manufacturer  
Gloves  
Hearing protection  
4
313342D  
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Setup  
Setup  
Follow the instructions below to setup dosing valve  
255478 on a XM plural-component sprayer as the hard-  
ener and resin dosing valves.  
that the side ports are facing to the right and rear for  
the sampling valve (S) and temperature sensor (T).  
4. Transfer all valves, fittings, and sensors from the  
dosing valve being removed from the machine to the  
new valve.  
NOTE:  
Dosing valve 245846 was used on the old Xtreme Mix™  
and should not be installed on XM sprayers.  
5. Use new o-ring (36) when replacing recirculation  
valve (R). If not using valve (R), plug port with plug  
(33). See parts illustration on page 8.  
1. Remove plug (31) if 255478 will be used on a  
machine with pressure transducers (P).  
6. If not using sampling valve (S), plug port with plug  
(29).  
NOTE:  
Valves are shipped with the parts orientated as a hard-  
ener valve.  
7. Replace seat housing (26) with screws (27).  
8. Fill dosing valves A and B packing nuts (7) with  
throat seal liquid (TSL) and tighten 1/4 turn after nut  
contacts packings; about 145-155 in.-lbs (16-18  
N•m).  
2. Resin dosing valve (left side): Remove screws (27)  
and turn seat housing (26) 90° so that the side ports  
are facing to the left for the sampling valve (S) and  
to the rear for the temperature sensor (not shown).  
See FIG. 1.  
9. See XM plural-component sprayer repair manual  
313289 for installation instructions.  
3. Hardener dosing valve (right side): If necessary,  
remove screws (27) turn seat housing (26) 90° so  
Hardener (Right)  
Resin (Left)  
7
7
16  
16  
P
8
R
8
P
R
S
S
26  
26  
27  
r_313259_313342_2  
27  
FIG. 1: Hardener and Resin Dosing Valve 255478 Orientation  
313342D  
5
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Repair  
Repair  
Reference parts illustration on page 8.  
Disassemble Fluid Section  
1. Remove dosing valve from sprayer system. See  
system repair manual for instructions.  
2. Mount the valve upside down in a vice holding the  
upper flats of housing (8).  
3. Remove screws (27) and seat housing (26).  
Remove seat (24), and o-rings (25) from housing  
(8).  
4. Remove housing (8) from vice and clamp upper flats  
of air cylinder (2) in vice.  
5. Unscrew packing nut (7) and remove locknuts (16).  
Pull fluid housing (8) straight up off of needle  
assembly (10) and packing stack (17, 18, 19).  
6. Unscrew needle (10) from piston rod (5).  
7. Remove packings (17, 18, 19). Inspect needle (10)  
and replace if worn.  
Replace air cylinder seals:  
1. Unscrew cylinder (4) from cap (2).  
NOTE:  
For 255478 only: A phillips screwdriver can be used as a  
handle in the holes on the flats to unscrew cap (2).  
2. Unscrew locknut (11).  
3. Remove piston (3) and replace o-rings (12, 13, 14,  
and 23).  
4. Clean all parts and lubricate seals with lithium  
grease.  
5. Reassemble using illustration and notes on page 8  
and 9.  
6. Use loose o-ring (36) when re-mounting your circu-  
lation valve to the front of the dosing valve 255478.  
6
313342D  
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Repair  
313342D  
7
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Parts  
Parts  
255478, Dosing Valve for XM Plural-Component Sprayers  
1
2
7
6
30  
11  
12  
3
7
8 19  
17  
8
13  
15  
18  
14  
4
6
6
4
4
23  
8 10  
31  
3
5
9
32  
1
8
11  
36  
16  
4
12  
33  
9
25  
10  
24  
12  
29  
26  
1. Apply pipe sealant to non-swiveling pipe threads.  
2. Apply lubricant to threads, o-rings, and seals.  
27  
5
3
Apply blue thread lock. Thread to bottom.  
r_313259_313342_3  
4
Torque to 5-7 ft-lbs (7-9 N•m).  
9
Replace o-rings (25) when seat housing (26) is removed.  
5
Torque to 30-40 ft-lbs (41-54 N•m).  
10  
Inspect reversible seat for damage. If one side is worn,  
reverse seat.  
6
Tighten packing nut 1/4 turn after nut bottoms out;  
145-155 in./lbs (16-18 N•m). Check packing nut tightness  
about once a month. Keep packing nut filled with TSL.  
11  
12  
Use o-ring (36) if replacing circulation valve 255278.  
Use if recirculation valve is not used.  
7
8
Lubricate and press piston evenly into cylinder.  
Clean ball housing (10) and packing cavity before  
reinstalling packings (17, 18, 19). Lubricate packings and  
install with lips facing down away from packing nut (7) in  
order shown.  
8
313342D  
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Parts  
245846, Xtreme Mix Dosing Valve  
7
1
6
5
2
17  
18  
8
19  
8
14  
12  
6
4
8
11  
4
8
16  
3
4
7
109  
13  
15  
10  
8
3
25 9  
24  
10  
9
4
25  
26  
27  
9
23  
5
5
101  
TI2299A  
1. Apply pipe sealant to non-swiveling pipe threads.  
2. Apply lubricant to threads, o-rings, and seals.  
8
Clean needle (10) and packing cavity before reinstalling,  
packings (17, 18, 19). Lubricate packings and install with  
lips facing down away from packing nut (7) in order  
shown.  
3
Apply blue thread lock. Thread to bottom.  
4
9
Torque to 5-7 ft-lbs (7-9 N•m).  
Replace o-rings (25) when seat housing (26) is removed.  
10  
5
Torque to 30-40 ft-lbs (41-54 N•m).  
Inspect reversible seat for damage. If one side is worn,  
reverse seat.  
6
Tighten packing nut 1/4 turn after nut bottoms out;  
145-155 in./lbs (16-18 N•m). Check packing nut tightness  
about once a month. Keep packing nut filled with TSL.  
7
Lubricate and press piston evenly into cylinder.  
313342D  
9
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Parts  
Common Parts  
Varying Parts  
Ref. Part No. Description  
Qty.  
Dosing Valve  
3
15A841 PISTON, valve  
15B545 ROD, piston  
15A834 ROD, tie  
1
1
2
1
1
1
1
1
1
1
1
2
6
1
5
1
1
2
4
5
Description  
255478 245846 Qty.  
Ref.  
1
6
FITTING, tube, elbow  
CAP, valve  
112781  
15R975  
15R974  
15R973  
15M936  
198292  
15B678  
198241  
598140  
15A840  
15A840  
15A833  
15A832  
N/A  
2
1
1
1
1
1
1
1
7
9  
15A835 NUT, packing  
15H108 LABEL, pinch point  
2
10245850 STEM, needle and ball  
4
CYLINDER, valve  
HOUSING, outlet  
HOUSING, seat  
PLUGE, pipe; 3/8 npt  
TAG, instruction  
11  
111040 NUT, lock, insert, nylock, 5/16  
8
12*117336 O-RING  
13*117370 O-RING  
14*117337 O-RING  
15109141 SPRING, compression  
26  
29✿  
30  
31  
N/A  
16  
102040 NUT, lock, hex  
17*117334 PACKING, UHMWPE; blue  
18*189901 GLAND, male  
19*117335 PACKING, leather  
23*111959 O-RING  
2415A830 SEAT  
25*15T260 O-RING, solvent resist WHT  
PLUG, port, pressure  
transducer  
N/A  
32  
O-RING, solvent resis-  
tant  
121399  
N/A  
1
PLUG, pipe; 1/2 npt  
O-RING, PTFE  
100361  
121139  
N/A  
N/A  
1
1
33✿  
27  
102637 SCREW, cap; 3-16 x 1/2 in.  
36  
Replacement Danger and Warning labels, tags, and  
Optional. Use if your valve doesn’t use recirculation  
cards are available at no cost.  
valves, sample valves, or thermo-wells.  
*
Parts included in Seal Kit 234098 (purchase sepa-  
rately).  
Series A valves used the 598140 5/32 OD fitting.  
Series B valves use the 112781 1/4 in. OD fitting.  
† Parts included in Rebuild Kit 234131 (purchase sep-  
arately).  
Repair kits 234098 and 234131 work for either  
255478 or 245846 dosing valves.  
10  
313342D  
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Technical Data  
Technical Data  
Valve function  
Normally open by spring; air to close; air assist to open  
Maximum fluid working pressure . . . . . . . . . . . . . . . . . . . 7250 psi (50 MPa, 500 bar)  
Maximum air working pressure. . . . . . . . . . . . . . . . . . . . . 100 psi (0.7 MPa, 7 bar)  
Minimum air working pressure . . . . . . . . . . . . . . . . . . . . . 60 psi (0.4 MPa, 4 bar)  
Maximum fluid temperature . . . . . . . . . . . . . . . . . . . . . . . 160°F (71°C)  
Inlets. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1/2 npt (f)  
Outlets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 255478: 1/2 npt (m)  
245846: 3/8 npt (f)  
Wetted parts. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . carbon steel, zinc plating, carbide, polyethylene, leather;  
fluid housings on 255478 are electroless nickel plated  
Dimensions  
4.25 in (107.95 mm)  
Close signal  
1/4 in. or 5/32 (4 mm)  
tube fitting in 1/8 npt (f)  
See parts list, page 10.  
7.08 in (179.8 mm)  
Open signal  
1/4 in. or 5/32 (4 mm)  
tube fitting in 1/8 npt (f)  
See parts list, page 10.  
(2) 1/2 npt (f) inlets  
180° apart; also  
1.53 in (38.86 mm)  
accepts 255278  
circulation valve.  
3.66 in (92.96 mm)  
(2) 3/8 npt (f) ports  
90° apart  
1/2 npt (m) outlet  
r_313259_313342_20  
313342D  
11  
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Graco Standard Warranty  
Graco warrants all equipment referenced in this document which is manufactured by Graco and bearing its name to be free from defects in  
material and workmanship on the date of sale to the original purchaser for use. With the exception of any special, extended, or limited warranty  
published by Graco, Graco will, for a period of twelve months from the date of sale, repair or replace any part of the equipment determined by  
Graco to be defective. This warranty applies only when the equipment is installed, operated and maintained in accordance with Graco’s written  
recommendations.  
This warranty does not cover, and Graco shall not be liable for general wear and tear, or any malfunction, damage or wear caused by faulty  
installation, misapplication, abrasion, corrosion, inadequate or improper maintenance, negligence, accident, tampering, or substitution of  
non-Graco component parts. Nor shall Graco be liable for malfunction, damage or wear caused by the incompatibility of Graco equipment with  
structures, accessories, equipment or materials not supplied by Graco, or the improper design, manufacture, installation, operation or  
maintenance of structures, accessories, equipment or materials not supplied by Graco.  
This warranty is conditioned upon the prepaid return of the equipment claimed to be defective to an authorized Graco distributor for verification of  
the claimed defect. If the claimed defect is verified, Graco will repair or replace free of charge any defective parts. The equipment will be returned  
to the original purchaser transportation prepaid. If inspection of the equipment does not disclose any defect in material or workmanship, repairs will  
be made at a reasonable charge, which charges may include the costs of parts, labor, and transportation.  
THIS WARRANTY IS EXCLUSIVE, AND IS IN LIEU OF ANY OTHER WARRANTIES, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED  
TO WARRANTY OF MERCHANTABILITY OR WARRANTY OF FITNESS FOR A PARTICULAR PURPOSE.  
Graco’s sole obligation and buyer’s sole remedy for any breach of warranty shall be as set forth above. The buyer agrees that no other remedy  
(including, but not limited to, incidental or consequential damages for lost profits, lost sales, injury to person or property, or any other incidental or  
consequential loss) shall be available. Any action for breach of warranty must be brought within two (2) years of the date of sale.  
GRACO MAKES NO WARRANTY, AND DISCLAIMS ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A  
PARTICULAR PURPOSE, IN CONNECTION WITH ACCESSORIES, EQUIPMENT, MATERIALS OR COMPONENTS SOLD BUT NOT  
MANUFACTURED BY GRACO. These items sold, but not manufactured by Graco (such as electric motors, switches, hose, etc.), are subject to  
the warranty, if any, of their manufacturer. Graco will provide purchaser with reasonable assistance in making any claim for breach of these  
warranties.  
In no event will Graco be liable for indirect, incidental, special or consequential damages resulting from Graco supplying equipment hereunder, or  
the furnishing, performance, or use of any products or other goods sold hereto, whether due to a breach of contract, breach of warranty, the  
negligence of Graco, or otherwise.  
FOR GRACO CANADA CUSTOMERS  
The Parties acknowledge that they have required that the present document, as well as all documents, notices and legal proceedings entered into,  
given or instituted pursuant hereto or relating directly or indirectly hereto, be drawn up in English. Les parties reconnaissent avoir convenu que la  
rédaction du présente document sera en Anglais, ainsi que tous documents, avis et procédures judiciaires exécutés, donnés ou intentés, à la suite  
de ou en rapport, directement ou indirectement, avec les procédures concernées.  
Graco Information  
TO PLACE AN ORDER, contact your Graco distributor or call to identify the nearest distributor.  
Phone: 612-623-6921 or Toll Free: 1-800-328-0211 Fax: 612-378-3505  
All written and visual data contained in this document reflects the latest product information available at the time of publication.  
Graco reserves the right to make changes at any time without notice.  
Original instructions. This manual contains English. MM 313342  
Graco Headquarters: Minneapolis  
International Offices: Belgium, China, Japan, Korea  
GRACO INC. AND SUBSIDIARIES • P.O. BOX 1441 • MINNEAPOLIS MN 55440-1441 • USA  
Copyright 2009, Graco Inc. All Graco manufacturing locations are registered to ISO 9001.  
Revised 01/2012  
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