Graco GMAX II 3900 Repair Manual

Manual Conventions
2 310893L
Contents
WARNING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
Repair . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
Bearing Housing & Connecting Rod . . . . . . . . . . . 8
Drive Housing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Pinion Assembly/Clutch Armature/Clamp . . . . . . 10
Clutch Housing . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Engine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Pump ON/OFF Switch . . . . . . . . . . . . . . . . . . . . . . 13
Pressure Control . . . . . . . . . . . . . . . . . . . . . . . . . . 14
Displacement Pump . . . . . . . . . . . . . . . . . . . . . . . 16
Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
GMAX II 3900 Parts Drawing . . . . . . . . . . . . . . . . . 20
GMAX II 5900/5900HD Parts Drawing . . . . . . . . . . 22
GMAX II 7900/TexSpray 7900HD Parts Drawing . . 24
Parts Drawing and List - Pinion Housing . . . . . . . 26
Lo-Boy Suction Set. . . . . . . . . . . . . . . . . . . . . . . . . 27
Pressure Control and Filter Parts Drawing. . . . . . 28
Parts - Sprayers, RAC X
®
Tip, Gun & Hose . . . . . . . . . . 30
Technical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
Graco Standard Warranty . . . . . . . . . . . . . . . . . . . 32
Manual Conventions
Note
WARNING
WARNING: a potentially hazardous situation which, if
not avoided, could result in death or serious injury.
Warnings in the instructions usually include a symbol
indicating the hazard. Read the general Warnings
section for additional safety information.
Hazard Symbol
CAUTION
CAUTION: a potentially hazardous situation which, if
not avoided, may result in property damage or
destruction of equipment.
Additional helpful information.

Graco GMAX II 3900 Specifications

General

Brand	Graco
Model	GMAX II 3900
Category	Paint Sprayer
Language	English