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Graco A Series Repair Manual
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Graco A Series Repair Manual

Graco A Series Repair Manual

Displacement pump
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Repair
Displacement Pump
3300 psi (227 bar, 22.7 MPa) Maximum Working Pressure
Model 248204, Series A
Ultrar Max II and Ultimate Mx II 695 and 795
ASM Zip--Sprayt 2700 Plus, 3100 Plus
ASM AllPro Mach 8600 Plus and 11000 Plus
ASM H2700 Plus
Model 255968, Series A
ASM 3600G Plus
Model 248205, Series A
Ultra Max II and Ultimate Mx II 1095 and 1595
Model 249059, Series A
TexSprayt Mark V
Model 249057, Series A
TexSpray Mark V
Model 277069, Series A
LineLazert IV 3900, R300
Model 277070, Series A
LineLazert IV 5900
Model 253056, Series A
Mark IV
Model 257146, Series A
Ironman 300E and Ironman 500G
Important Safety instructions
Read all warnings and instructions in this manual.
Save these instructions.
310643T
EN
8016A

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Summary of Contents for Graco A Series

  • Page 1 Repair 310643T Displacement Pump 3300 psi (227 bar, 22.7 MPa) Maximum Working Pressure Model 248204, Series A Ultrar Max II and Ultimate Mx II 695 and 795 ASM Zip--Sprayt 2700 Plus, 3100 Plus ASM AllPro Mach 8600 Plus and 11000 Plus ASM H2700 Plus Model 255968, Series A ASM 3600G Plus...
  • 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 Pump Repair Kits cause serious bodily injury. If the sleeve cannot be removed easily, return the sleeve and cylinder to Pump Repair Kit your Graco distributor for removal. 248204, 255968 248212 253056 287825 248205, 249057, 249059, 248213 2.
  • Page 4 Service Repair When Pump Is Off The Sprayer Fig. 3. Disassemble intake valve. Clean and inspect. O-ring (227) may require a pick for removal. Disassembling the pump Fig. 1. Remove packing nut (202) and throat adjust- ment spacer (228). 7570e Fig.
  • Page 5 Service Fig. 8. Remove throat packings and glands from cylin- WARNING der. Discard throat packings and glands. COMPONENT RUPTURE HAZARD Do not clean or wipe the piston valve 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 used on 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 Fig. 14. Grease piston packings. Fig. 16. Grease top inch or two of piston rod that will go through the cylinder throat packings. Fig. 16 7579A Fig. 17. Grease o-rings (221) and place on sleeve. ti7578c Fig. 14 Slide sleeve/piston rod assembly into bottom of cylind- er.
  • Page 8 Service Fig. 18. Mark IV: Install o-ring (231) on sleeve spacer (230) and install sleeve spacer on sleeve. ti7340a Fig. 18 Fig. 19. Reassemble intake valve with new o-ring (227), seat (212) and ball (214). Seat may be flipped Fig. 20 7569A over and used on other side.
  • Page 9 Service Repair When Pump Is On The Sprayer Fig. 2. Push up retaining spring (26). WARNING SKIN INJECTION HAZARD To reduce the risk of serious injury, whenever you are instructed to relieve pressure, follow the Pressure Relief Procedure on page 3. Fig.
  • Page 10 Service Fig. 5. Remove piston rod and sleeve. Fig. 8. Invert piston rod and insert into cylinder to force out throat packings. 7746A Fig. 5 Fig. 5. Invert piston rod and sleeve and pound on hard surface until piston rod comes out of sleeve. Mark IV: Remove sleeve spacer from sleeve.
  • Page 11 Service Fig. 10. Remove piston valve from piston rod with a Fig. 12. Soak all leather packings in SAE 30W oil for 1 wrench. hour minimum prior to assembly. Stack male gland (204). Alternately stack UHMWPE (203) and leather (223) packings (note orientation). Install female gland (224).
  • Page 12 Service Fig. 14. Soak all leather packings in SAE 30W oil for 1 Fig. 16. Grease piston packings. hour minimum prior to assembly. Stack male gland (219) on piston rod. Alternately stack UHMWPE (208) and leather (218) packings (note orientation) on piston rod.
  • Page 13 Service Fig. 19. Grease o-ring (221) and place on sleeve. Slide Fig. 21. Push up retaining spring (26) with screwdriver. sleeve/piston rod assembly into bottom of cylinder. Re- place o-ring (207) if desired. Note: O-ring (207) is not required for safe pump opera- tion.
  • Page 14 Service Fig. 23. Reassemble intake valve with new o-rings Fig. 24. Install intake valve on cylinder. Torque: (227) and (230), seat (212) and ball (214). Seat may 70 +/--5 ft-lb (model 248204, 253056, 255968, be flipped over and used on other side. Clean seat 277069) thoroughly.

  • Page 15: Technical Data

    Service V-Maxt UHWMPE, blue Leather Pump 248204 Leather V-Maxt UHWMPE, blue 7683d Fig 25 Technical Data Maximum working pressure ....3300 psi Fluid outlet size (227 bar, 22.7 MPa) 248204, 255968, 277069 .
  • Page 16 Parts - - Pump 248204, 277069, 255968 Model 248204, Series A; 277069, Series A; 255968, 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 CYLINDER, pump 224* 243346...
  • Page 17 Parts - - Pumps 248205, 249057, 249059, 277070, 257146 Model 248205, Series A; 249057, Series A; 249059, Series A; 277070, Series A; 257146, Series A Ref No. Part No. Description Qty. 117608 NIPPLE, straight Model 249057, 249059 (not shown) 201+ 183171 PLUG 162485...
  • Page 18 Parts - - Pump 253056 Part No. Description Qty. 201*§ 201*§ 179810 SEAL, throat 221*§ 193046 NUT, packing 228*§ 203*§ 192692 V-PACKING, throat, V-Maxt UHMWPE, blue 204*§ 15C987 GLAND, male, throat 224*§ 287876 CYLINDER, pump 206* 105444 BALL, sst, 0.3125 in. (optional) *§223 206§...
  • Page 19 Notes 310643...

  • Page 20: Graco Standard Warranty

    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 manual is also suitable for:

248204255968248205249059249057277069 ... Show all