Graco Inc 233700, 233702 Table of Contents, Warnings and Cautions, Warning Symbol, Caution Symbol

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Warnings and Cautions	. 2	Displacement Pump	17
Maintenance	. 5	Parts
Troubleshooting	. 6	GMax 3900 & GMax 5900 Hi-Boy Sprayers	18
Repair		Pinion Assembly	20
Bearing Housing & Connecting Rod	. 8	GMax 3900 & GMax 5900 Lo-Boy Sprayers	22
Drive Housing	. 9	Pressure Control	24
Pinion Assembly/Rotor/Field/Shaft/Clutch	10	Complete Sprayers	26
Clamp	12	Dimensions	27
Clutch Housing	13	Technical Data	27
Engine	13	Graco Warranty	28
Pressure Control	15

Warnings and Cautions

Warning Symbol

WARNING

This symbol alerts you to the possibility of serious injury or death if you do not follow the instructions.

Caution Symbol

CAUTION

This symbol alerts you to the possibility of damage to or destruction of equipment if you do not follow the instructions.

2 309409

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Contents GMaxr 3900, 5900, 5900HD Airless Paint Sprayers Important Safety InstructionsINSTRUCTIONS-REPAIR309409E GRACO INC. P.O. BOX 1441 MINNEAPOLIS, MNCaution Symbol Table of ContentsWarning Symbol Warnings and CautionsRECOIL HAZARD INJECTION HAZARDTOXIC FLUID HAZARD 309409EQUIPMENT MISUSE HAZARD HAZARD OF USING FLUIDS CONTAINING HALOGENATED HYDROCARBONSFIRE AND EXPLOSION HAZARD INJECTION HAZARD MaintenancePressure Relief Procedure AFTER THE FIRST 20 HOURS OF OPERATIONSOLUTION TroubleshootingPROBLEM CAUSEUse larger diameter hose and/or reduce overall Removal Bearing Housing and Connecting RodInstallation Model 233701 shownSecure gallon counting sensor wire to clutch wire with a tie wrap Drive HousingCut tie wrap holding gallon counting sensor wire to clutch wire 8699A Pinion Assembly/Rotor/Field/Shaft/ClutchBottom View 10. Remove four screws 16 and lockwashers 11. Remove armature 4a 4a 7. Fig. 7. Remove retaining ring 19e8. Tap pinion shaft 19d out with plastic mallet 19e 19d 8703BClamp Clutch Housing EngineOn/Off Switch 8711AControl Board Pressure Adjust PotentiometerPressure Control Pressure Control TransducerDigital Display Messages After a fault, follow these steps to restart sprayerPressure Control Repair DISPLAYRemoval Displacement PumpInstallation RepairParts Drawing - GMax 3900, 5900, 5900HD Hi-Boy Sprayers Models 233701, 233706 andRef No. Part No Parts List - GMax 3900, 5900, 5900HD Hi-Boy SprayersY Danger & Warning labels, tags, and cards are free DescriptionParts List & Drawing - Pinion Assembly Ref No. 19 and309409 Parts Drawing - GMax 3900 and GMax 5900 Lo-Boy Sprayers Models 233700 andParts List - GMax 3900 and GMax 5900 Lo-Boy Sprayers Models 233706 through 233708 233716 and Parts Drawing - SprayerGMax 3900, 5900 and 5900HD Sprayers Models 233700 through VIEW A Parts List - SprayerPressure Control Wiring Diagram Models 233700 through 233703 233705 through 233707 233716 andDisplacement Pump Repair Kits Parts List/Drawing - Sprayers with RAC Tip, Gun & HoseAccessories Models 233702, 233703, 233707, 233708GMax Technical DataDimensions Model 233701FOR GRACO CANADA CUSTOMERS Graco WarrantyADDITIONAL WARRANTY COVERAGE Graco reserves the right to make changes at any time without notice