Quick-Reference Repair Parts for
Graco GH 3640

Replaces OEM P/N	Bedford P/N	Description / Reference / Notes
Repair Kits
Displacement Pump (Fluid Section)
237-169	- - -	Repair Kit with Leather Packings & Teflon Backup
237-170	- - -	Repair Kit with Teflon Packings
237-171	- - -	Repair Kit with Leather & Polyethylene Packings
237-172	- - -	Repair Kit with Leather Packings & Teflon Backup, stainless steel
237-178	- - -	Repair Kit with Leather Packings & Teflon Backup, stainless steel
237-179	- - -	Repair Kit with Teflon Packings, stainless steel
237-180	- - -	Repair Kit with Leather & Polyethylene Packings, stainess steel
237-713	- - -	Repair Kit with Polyethylene & Teflon Packings, stainless steel
Hydraulic Motor
220-457	- - -	Repair Kit for Viscount II Motor Models: 210-107, 217-022, 217-338, 217-527
Piston Rods
184-487	- - -	Piston Rod, upper, stainless steel
Cylinders & Sleeves
184-540	- - -	Cylinder, stainless steel
Carbide Ball Seats, Check Valves & Check Balls
Upper Ball Seat (Outlet Seat)
222-951	- - -	Piston Valve, carbide seat, stainless steel housing
100-279	9-127	Piston Ball, steel
Lower Ball Seat (Intake Seat)
For Carbon Steel Fluid Sections:
222-952	- - -	Intake Valve, carbide seat, carbon steel housing
108-001	9-3103	Intake Ball, stainless steel
For Stainless Steel Fluid Sections:
236-588	- - -	Intake Valve, carbide seat, stainless steel housing
108-001	9-3103	Intake Ball, stainless steel
Miscellaneous Fluid Section Repair Parts
For All Fluid Sections:
109-499	15-2644	Teflon O-Ring, at top & bottom of cylinder
For Carbon Steel Fluid Sections:
222-995	- - -	Upper Packing Nut & Wet Cup, carbon steel
For Stainless Steel Fluid Sections:
236-582	- - -	Upper Packing Nut & Wet Cup, stainless steel
Miscellaneous Hydraulic Motor Repair Parts
101-701	9-1554	Ball, carbide
171-411	- - -	Compression Spring
See reference for "Viscount Hydraulic Motor" for additional details
Miscellaneous Parts & Accessories
106-114	- - -	Hydraulic Inlet Strainer
210-658	29-1441	5000 PSI Ball Valve - 3/8" NPT(mbe) Viton Packed
Graco Instruction Manuals
307-158	Viscount II Hydraulic Motor
308-359	Dura-Flo 1200 Pumps
308-972	GH Series Roof Rigs - Gas Hydraulic Airless Sprayers
Click Pictures to Enlarge = = = = = = = = = = = = = = = =
Before ordering any repair parts or attempting any maintenance, carefully read all instructions and warnings and verify part numbers required as specified in the OEM manuals that came with your particular unit. This reference was generated on 01/02/2022.  Part numbers on this reference were last modified on 03/24/2003. Copyright © 2022 by Bedford Precision Parts LLC

Repair Parts for Graco GH 3640 237-169 237169 237-170 237170 237-171 237171 237-172 237172 237-178 237178Repair Parts for Graco GH 3640 237-179 237179 237-180 237180 237-713 237713 220-457 220457 184-487 184487Repair Parts for Graco GH 3640 184-540 184540 222-951 222951 100-279 100279 222-952 222952 108-001 108001Repair Parts for Graco GH 3640 236-588 236588 108-001 108001 109-499 109499 222-995 222995 236-582 236582Repair Parts for Graco GH 3640 101-701 101701 171-411 171411 106-114 106114 210-658 210658 307-158 307158Repair Parts for Graco GH 3640 308-359 308359 308-972 308972