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Graco A Series Instructions-Parts List Manual

Displacement pump
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INSTRUCTIONS-PARTS LIST
This manual contains important
warnings and information.
READ AND KEEP FOR REFERENCE.
INSTRUCTIONS
Displacement Pump
Used in the Ultra Max 695 Sprayers
3000 psi (207 bar, 21 MPa) MAXIMUM WORKING PRESSURE
Model 243189, Series B
Model 239769, Series A
GRACO INC. P.O. BOX 1441 MINNEAPOLIS, MN 55440–1441
Parts
7738A
Model 239769
ECOPYRIGHT 1999, GRACO INC.
Graco Inc. is registered to I.S. EN ISO 9001
308815
Rev. J
9672A
Model 243189

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  • Page 1 3000 psi (207 bar, 21 MPa) MAXIMUM WORKING PRESSURE Model 243189, Series B Model 239769, Series A 7738A 9672A Model 239769 Model 243189 GRACO INC. P.O. BOX 1441 MINNEAPOLIS, MN 55440–1441 ECOPYRIGHT 1999, GRACO INC. Graco Inc. is registered to I.S. EN ISO 9001...

  • Page 2: Toxic Fluid Hazard

    WARNING INJECTION HAZARD Spray from the gun, leaks or ruptured components can inject fluid into your body and cause extremely serious injury, including the need for amputation. Fluid splashed in the eyes or on the skin can also cause serious injury. D Fluid injected into the skin is a serious injury.

  • Page 3: Fire And Explosion Hazard

    D Use the equipment only for its intended purpose. If you are not sure, call your distributor. D Do not alter or modify this equipment. Use only genuine Graco parts. D Check equipment daily. Repair or replace worn or damaged parts immediately.
  • Page 4 Service Pressure Relief Procedure Repair Kit WARNING PRESSURIZED EQUIPMENT HAZARD Pump Repair Kit The system pressure must be manually 243189, 239769 239939 relieved to prevent the system from starting or spraying accidentally. To reduce the risk of an injury from accidental spray from the gun, splashing fluid, or moving parts, follow the Pressure Relief Procedure whenever Tools Needed...

  • Page 5: Disassembling The Pump

    Service Disassembling the pump Fig. 3. Unscrew cylinder from intake valve. Fig. 1. Remove packing nut (202) and throat adjustment spacer (228). 9675A Fig. 3 Fig. 4. Disassemble intake valve. Clean and inspect. O-ring (227) may require a pick for removal. Replace o-ring (227).

  • Page 6: Reassembling The Pump

    Service Fig. 6. Remove throat packings and glands from Fig. 8. Remove packings and glands from piston rod. manifold. Discard throat packings and glands. Fig. 8 9680A Reassembling the pump Fig. 9. Soak all leather packings in SAE 30W oil for 1 hour minimum prior to assembly.
  • Page 7 Service Fig. 11. Tighten piston valve to piston rod as specified: Fig. 13. Install seal (201) into packing nut (202). Install throat adjustment spacer (228) onto packing nut. Loosely install packing nut into manifold. O-ring Torque to 30 3 ft- replaces metal clip ring on older models.
  • Page 8 Service Fig. 16. Install cylinder in intake valve. Tighten to 60 Fig. 18. Install jam nut (226) onto cylinder. Grease 5 ft-lb (81 6.8 Nm). o-ring (221*) and place on cylinder. Install manifold (229) onto cylinder (205) and tighten to 60 5 ft-lb (81 6.8 Nm).

  • Page 9: Technical Data

    ......3/4 npt(f) TO PLACE AN ORDER, contact your Graco distribu- Pump Outlet Size ......
  • Page 10 Parts – Pump 243189 Model 243189, Series A Displacement Pump Includes items 201 to 231 Part No. Description Qty. 180656 SEAL, throat 224* 193047 NUT, packing 203* 192710 V-PACKING, throat, *223 V-Maxt UHMWPE, blue 204* 176754 GLAND, male, throat 203* 243177 CYLINDER, pump 204*...
  • Page 11 Parts – Pump 239769 Model 239769, Series A Displacement Pump Includes items 201 to 229 Part No. Description Qty. 180656 SEAL, throat 221* 193047 NUT, packing 203* 192710 V-PACKING, throat, 224* V-Maxt UHMWPE, blue 219* 204* 176754 GLAND, male, throat *223 240516 CYLINDER, pump...

  • Page 12: 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:

B series243189239769

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