Graco A Series Additional Maintenance And Repair Instructions
Displacement pump
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Also See for A Series:
- Instructions - parts manual (52 pages) ,
- Instructions-parts list manual (48 pages) ,
- Manual (36 pages)
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Repair
Displacement Pump
- For portable spray application of architectural paints and coatings
or replacement pump for Graco GMax
3300 psi (228 bar, 22.8 MPa) Maximum Working Pressure
Model 287512, Series A
GMax II 3900 Sprayer,
Rental Pro 360G
Model 287513, Series A
GMax II 5900 Sprayer,
UltraMax II 1095/1595 with ProConnect
Model 287579, Series A
GMax II 5900HD Sprayer
Model 249122, Series A
GMax II 7900 Sprayer,
Ultra Max II 1895
Model 287928, Series A
Mark Vt International
Model 287929, Series A
Mark V North America
Model 289590, Series A
TexSpray 7900HD,
Mark X, 230V, Domestic
Important Safety Instructions
Read all warnings and instructions in this manual
and in your sprayer manual. Save these
instructions.
GRACO INC. P.O. BOX 1441 MINNEAPOLIS, MN 55440- -1441
Copyright 2005, Graco Inc. is registered to I.S. EN ISO 9001
http://gracomanual.com
II sprayers -
t
ti6177a
310894G
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Related Manuals for Graco A Series
Summary of Contents for Graco A Series
- Page 1 Important Safety Instructions Read all warnings and instructions in this manual and in your sprayer manual. Save these instructions. GRACO INC. P.O. BOX 1441 MINNEAPOLIS, MN 55440- -1441 Copyright 2005, Graco Inc. is registered to I.S. EN ISO 9001 http://gracomanual.com...
- Page 2 D Do not alter or modify equipment. D Read all instruction manuals, tags, and labels before operating the equipment. D Use equipment only for its intended purpose. Call your Graco distributor for information. D Do not use 1,1,1--trichloroethane, methylene chloride, other halogenated hydrocarbon solvents or fluids containing such solvents in pressurized aluminum equipment.
- Page 3 Graco distributor for removal. after following the steps above, VERY SLOWLY loos- en tip guard retaining nut or hose end coupling to re- lieve pressure gradually, then loosen completely.
- Page 4 Service Disassembling the pump Fig. 3. Disassemble intake valve. Clean and inspect. O-ring (227) may require a pick for removal. Fig. 1. Remove packing nut (202) and throat adjust- ment spacer (228). used on 249122, 289590 7570e ti6178b Fig. 3 Fig.
- Page 5 Service WARNING Not used COMPONENT RUPTURE HAZARD Do not clean or wipe the piston valve 287512 threads. Cleaning the piston valve threads could destroy the special sealing patch and cause the piston valve to come loose during operation, causing pump bursting and possible serious bodily injury.
- Page 6 Service Fig. 10. Install ball (206) in piston rod. If Loctiter is ap- Fig. 12. Soak all leather packings in SAE 30W oil for 1 plied to piston valve threads, ensure that none gets on hour minimum prior to assembly. Place male gland ball.
- Page 7 Service Note: O-ring (207) is not required for safe pump opera- CAUTION tion. Never slide piston assembly (222) into top of Fig. 15. Grease top inch or two of piston rod (222) that sleeve (220) as this may damage piston packings. goes through the sleeve/cylinder assembly throat packings (205).
- Page 8 Service Fig. 16. Reassemble intake valve with new o-ring Fig. 18. Torque packing nut (202) down onto adjust- (227), seat (212) and ball (214). Seat may be flipped ment spacer (228) 140 +/--10 in-lb (15.82 +/-- 1.13 over and used on other side. Clean seat thoroughly. N•m).
- Page 9 Service Cross Sectional Reference Pump 287512 V-Maxt UHWMPE, blue Leather Pump 287512 V-Maxt UHWMPE, brown on 249122, 289590 Leather V-Maxt UHWMPE, blue Only on 249122, 289590 ti6196a Fig 19 Technical Data Maximum working pressure ....3300 psi Fluid outlet size .
- Page 10 Parts - - Pump 287512 Model 287512, Series A Part No. Description Qty. 179810 SEAL, throat 221* 193046 NUT, packing 203* 192692 V-PACKING, throat, V-Maxt UHMWPE, blue 204* 15C987 GLAND, male, throat 287551 CYLINDER, pump 224* 206* 105444 BALL, sst, 0.3125 in. 207* 114054 PACKING, o-ring...
- Page 11 Parts - - Pump 287513 Model 287513, Series A Part No. Description Qty. 183171 PLUG 193032 NUT, packing 221* 203* 193124 V-PACKING, throat, V-Maxt UHMWPE, blue 204* 15C989 GLAND, male, throat 287552 CYLINDER, pump 224* 206* 101947 BALL, sst, 0.3125 in. *203 207* 106556...
- Page 12 Parts - - Pump 249122 Model 249122, Series A; 221* Part No. Description Qty. 112590 PLUG 15E962 NUT, packing 203* 193722 V-PACKING V-Maxt UHMWPE, blue 204* 198768 GLAND, packing, male, throat 249139 CYLINDER, pump 219* 206* 107203 BALL, valve, check 207* 107306 PACKING, o-ring...
- Page 13 Parts - - Pump 287579 Model 287579, Series A Part No. Description Qty. 183171 PLUG 193032 NUT, packing 221* 203* 193124 V-PACKING, throat, V-Maxt UHMWPE, blue 204* 15C989 GLAND, male, throat 287581 CYLINDER, pump 224* 206* 101947 BALL, bearing *203 207* 106556 PACKING, o-ring...
- Page 14 Parts - - Pump 287928 Model 287928, Series A Part No. Description Qty. 183171 PLUG 193032 NUT, packing 221* 203* 193124 V-PACKING, throat, V-Maxt UHMWPE, blue 204* 15C989 GLAND, male, throat 287581 CYLINDER, pump 224* 206* 116327 BALL, ceramic *203 207* 106556 PACKING, o-ring...
- Page 15 Parts - - Pump 287929 Model 287929, Series A Part No. Description Qty. 183171 PLUG 193032 NUT, packing 221* 203* 193124 V-PACKING, throat, V-Maxt UHMWPE, blue 204* 15C989 GLAND, male, throat 287581 CYLINDER, pump 224* 206* 101947 BALL, bearing *203 207* 106556 PACKING, o-ring...
- Page 16 Parts - - Pump 289590 Model 289590, Series A; 221* Part No. Description Qty. 112590 PLUG 15E962 NUT, packing 203* 193722 V-PACKING V-Maxt UHMWPE, blue 204* 198768 GLAND, packing, male, throat 15G437 CYLINDER, pump 219* 206* 107203 BALL, valve, check 207* 107306 PACKING, o-ring...
- Page 17 Notes 310894...
- Page 18 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.