Graco 3400 User Manual

Graco Inc. P.O. Box 1441 Minneapolis, MN 55440-1441Copyright 2005, Graco Inc. is registered to I.S. EN ISO 9001310813 Rev CRepairGMAX™ 3400Airless Spr

Pinion Assembly/Clutch Armature/Clamp 10 310813 Rev CInstallationClutch Armature1. FIG. 7. Lay two stacks of two dimes on smooth bench surface.2. Lay

Clutch Housing310813 Rev C 11Clutch HousingRemoval1. Remove clamp. Do Clamp Removal, page 10.2. FIG. 10. Remove four screws (60) and lock washers (59)

Pressure Control 12 310813 Rev CPressure ControlOn/Off SwitchRemoval1. Relieve pressure, page 5.2. FIG. 13. Remove two screws (91) and swing down cove

Pressure Control310813 Rev C 13Control BoardRemoval1. Relieve pressure, page 5.2. FIG. 13. Remove two screws (91) and swing down cover (77)3. Remove s

Displacement Pump 14 310813 Rev CDisplacement PumpRemoval1. Flush pump.2. Relieve pressure, page 5.3. FIG. 15. Stop pump with piston rod (201) in its

Displacement Pump310813 Rev C 15Installation1. Fig. FIG. 17. Pull piston rod out. Screw in pump until holes in connecting rod and piston rod align. FI

Parts 16 310813 Rev CPartsParts Drawing - GMAX 3400 Hi-Boy Sprayers'(7$,/$5HI5HI'(7$,/$%RWWRP9LHZ5HI

Parts310813 Rev C 17Parts List - GMAX 3400 Hi-Boy SprayersModel 248663▲ Replacement Danger and Warning labels, tags, and cards are available at no cos

Parts 18 310813 Rev CParts Drawing and List - Pinion HousingRef No. 50: Pinion Housing* Must be ordered separatelyNo. Part No. Description Qty50 PINIO

Parts310813 Rev C 19Notes

Manual Conventions 2 310813 Rev CContentsWARNING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3Maintenance . . . . . . . . . .

Parts 20 310813 Rev CParts Drawing - GMAX 3400 Lo-Boy Sprayers'(7$,/$5HI5HI'(7$,/$%RWWRP9LHZ

Parts310813 Rev C 21Parts List - GMAX 3400 Lo-Boy SprayersModel 248665▲ Replacement Danger and Warning labels, tags, and cards are available at no cos

Pressure Control/Filter Assembly 22 310813 Rev CPressure Control/Filter AssemblyGMAX 3400 SprayersModels 248663 through 248666&/87&+%

Pressure Control/Filter Assembly310813 Rev C 23Pressure Control/Filter AssemblyGMAX 3400 SprayersModels 248663 through 248666REF NO.PART NO. DESCRIPTI

Complete Sprayers - with RAC X Tip, Gun & Hose 24 310813 Rev CComplete Sprayers - with RAC X Tip, Gun & HoseModels 248664, 248666GMAX 3400 Air

Technical Data310813 Rev C 25Technical DataDimensionsHonda GX120 EngineANSI Power Rating @ 3600 rpm 4.0 Horsepower(2.9 kW)Maximum working pressure 330

Graco Standard Warranty 26 310813 Rev CGraco Standard WarrantyGraco warrants all equipment referenced in this document which is manufactured by Graco

Warning310813 Rev C 3WarningThe following warnings include general safety information for this equipment. Further product specific warnings may be inc

Warning 4 310813 Rev CEQUIPMENT MISUSE HAZARDMisuse can cause death or serious injury.• Do not exceed the maximum working pressure or temperature rati

Maintenance310813 Rev C 5MaintenancePressure Relief Procedure1. Lock gun trigger safety.2. Turn engine ON/OFF switch to OFF.3. Move pump switch to OFF

Troubleshooting 6 310813 Rev CTroubleshootingProblem Cause SolutionEngine will not start Engine switch is OFF Turn engine switch ONEngine is out of ga

Troubleshooting310813 Rev C 7Problem Cause SolutionPump output is low Strainer (16) is clogged Clean strainer. Piston ball (206) is not seating Servic

Drive Housing and Connecting Rod 8 310813 Rev CDrive Housing and Connecting RodNOTE: The item numbers referenced are for the Hi-Boy models. The Lo-Boy

Pinion Assembly/Clutch Armature/Clamp310813 Rev C 9Pinion Assembly/Clutch Armature/ClampPinion Assembly/Clutch Armature RemovalPinion AssemblyIf pinio