Graco A Series Repair Manual
Displacement pump
Hide thumbs
Also See for A Series:
- Instructions - parts manual (52 pages) ,
- Instructions-parts list manual (48 pages) ,
- Manual (36 pages)
Advertisement
Quick Links
Repair
Displacement Pump
Use only genuine Graco replacement parts. Use of non-Graco replacement parts may void
warranty.
3300 psi (22.7 MPa, 227 bar) Maximum Working Pressure
Important Safety Instructions
Read all warnings and instructions in this manual.
Be familiar with the controls and the proper usage
of the equipment. Save these instructions.
Model 248204, Series A
UltraMax II and Ultimate MX II 695/795
ASM Zip-Spray 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
UltraMax II and Ultimate MX II 1095/1595
Model 249059, Series A
TexSpray Mark V
Model 249057, Series A
TexSpray Mark V
Model 277069, Series A
LineLazer 3900, ES2000
Model 277070, Series A
LineLazer 5900
Model 253056, Series A
Mark IV
Model 257146, Series A
Ironman 300E and Ironman 500G
310643W
EN
ti2311
Advertisement
Related Manuals for Graco A Series
Summary of Contents for Graco A Series
- Page 1 Repair 310643W Displacement Pump Use only genuine Graco replacement parts. Use of non-Graco replacement parts may void warranty. 3300 psi (22.7 MPa, 227 bar) Maximum Working Pressure Important Safety Instructions Read all warnings and instructions in this manual. Be familiar with the controls and the proper usage of the equipment.
- Page 2 Parts - Pump 248204, 277069, 255968 ..14 Graco Standard Warranty ....1 Parts - Pump 248205, 249057, 249059, 277070, 257146 .
- Page 3 If the sleeve cannot be removed easily, return pressure gradually, then loosen completely. Clear the sleeve and cylinder to a Graco distributor for hose or tip obstruction. removal. NOTE: Remove and clean sleeve when repacking pump.
- Page 4 Service Repair When Pump is Separated 4. Tap piston rod out of cylinder with a hammer or flip over and tap piston rod out against a bench. From Sprayer Disassembling the Pump NOTE: Sleeve may come out of cylinder with piston rod. 1.
- Page 5 Service 8. Remove throat packings and glands from cylinder. Discard throat packings and glands. used on COMPONENT RUPTURE HAZARD 248204, To reduce the risk of serious injury from pressurized 253056, fluid, do not clean or wipe the piston valve threads. 255968 Cleaning the piston valve threads could destroy the special sealing patch and cause the piston valve to...
- Page 6 Service 2. Install ball (206) in piston rod. If thread sealant is 4. Soak all leather packings in SAE 30W oil for one applied to piston valve threads, make sure that none hour minimum prior to assembly. Place male gland gets on ball.
- Page 7 Service 7. Slide piston assembly into bottom of sleeve. 10. Mark IV models: Install o-ring (231) on sleeve spacer (230) and install sleeve spacer on sleeve. ti7577a ti7340a ti7340b 8. Grease top inch or two of piston rod that will go through the cylinder throat packings.
- Page 8 Service 12. Install intake valve on cylinder. If a wrench is used 14. Remove o-ring (228) when pump packings begin to torque as follows: leak after extended use. Then tighten packing nut Models Torque down until leakage stops or lessens. This allows approximately 100 gallons of additional operation 248204, 253056, 67 +/- 5 ft-lb (90.8 +/-6.8 N•m)
- Page 9 Service Repair When Pump is On 4. Push out pin (29). Sprayer 1. Perform Pressure Relief Procedure, page 3. 2. Remove intake valve. ti4258b ti4258b 5. Disassemble intake valve. Clean and inspect. O-ring (227) may require a pick for removal. ti4258c 3.
- Page 10 Service 7. Invert piston rod and sleeve and pound on hard sur- 11. Remove piston valve from piston rod with a wrench. face until piston rod comes out of sleeve. Mark IV models: Remove sleeve spacer from sleeve. ti4258g ti4258g 12.
- Page 11 Service 14. Remove packings and glands from piston rod. 16. Install ball (206) in piston rod. NOTE: If thread seal- ant is applied to piston valve threads, make sure Not used on none gets on ball. Install piston valve on piston rod. 248204, Torque as follows: 253056,...
- Page 12 Service 21. Torque seal and packing nut (202) down onto throat NOTICE adjustment spacer (228) to 100 +/- 10 in-lb (11.3 +/- Do not slide piston assembly into top of sleeve as this 1.1 N•m). may damage piston packing. Remove o-ring when pump packings begin to leak after extended use.
- Page 13 Service Pump Packings 24. Reassemble intake valve with new o-rings (227) and (230), seat (212) and ball (214). Seat may be flipped over and used on other side. Clean seat thoroughly. ™ V-Max UHWMPE, Leather blue ti23115a 25. Install intake valve on cylinder. Torque as follows: Models Torque 248204, 253056,...
- Page 14 Parts - Pump 248204, 277069, 255968 Parts - Pump 248204, 277069, 255968 Series A Ref. Part Description Qty. 179810 SEAL, throat 193046 NUT, packing 203* 192692 V-PACKING, throat, V-Max, UHMWPE, blue 204* 15C987 GLAND, male, throat, CYLINDER, pump 243346 Model 248204, 255968 243346 Model 16X428 206*...
- Page 15 Parts - Pump 248205, 249057, 249059, 277070, 257146 Parts - Pump 248205, 249057, 249059, 277070, 257146 Series A Ref. Part Description Qty. 201 183171 PLUG 193032 NUT, packing 203* 193124 V-PACKING, throat, V-Max, UHMWPE, blue 204* 15C989 GLAND, packing, male, throat CYLINDER, pump 243347 Model 248205, 277070...
- Page 16 Parts - Pump 253056 Parts - Pump 253056 Ref. Part Description Qty. 201* 179810 SEAL, throat 193046 NUT, packing 203* 192692 V-PACKING, throat, V-Max, UHMWPE, blue 204* 15C987 GLAND, male, throat 287876 CYLINDER, pump 206* BALL, check 105444* BALL, sst, 0.3125 in. (optional) 119259...
- Page 17 Technical Data Technical Data U.S. Metric Maximum Working Pressure 3300 psi 227 bar, 22.7 MPa Fluid Inlet Size 1-5/16-12 un(m) 1-5/16-12 un(m) Fluid Outlet Size 248204, 255968, 277069 1/4 npt(f) 248205, 249057, 249059, 3/8 npt(f) 253056, 277070, 257146 stainless steel, PTFE, leather, nylon, zinc-plated carbon steel, tungsten Wetted Parts carbide, chrome plating, fluoroelastomer, acetal, polyethylene 310643W...
- 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.