INSTRUCTIONS-REPAIR309409E
Important Safety Instructions
GMaxr 3900, 5900, 5900HD Airless Paint Sprayers
GRACO INC. P.O. BOX 1441 MINNEAPOLIS, MN
Warning Symbol
Table of Contents
Caution Symbol
Warnings and Cautions
TOXIC FLUID HAZARD
INJECTION HAZARD
RECOIL HAZARD
309409
HAZARD OF USING FLUIDS CONTAINING HALOGENATED HYDROCARBONS
FIRE AND EXPLOSION HAZARD
EQUIPMENT MISUSE HAZARD
Pressure Relief Procedure
Maintenance
INJECTION HAZARD
AFTER THE FIRST 20 HOURS OF OPERATION
PROBLEM
Troubleshooting
SOLUTION
CAUSE
Use larger diameter hose and/or reduce overall
Installation
Bearing Housing and Connecting Rod
Removal
Model 233701 shown
Drive Housing
Cut tie wrap holding gallon counting sensor wire to clutch wire
Secure gallon counting sensor wire to clutch wire with a tie wrap
Pinion Assembly/Rotor/Field/Shaft/Clutch
Bottom View
8699A
8. Tap pinion shaft 19d out with plastic mallet 19e 19d
7. Fig. 7. Remove retaining ring 19e
10. Remove four screws 16 and lockwashers 11. Remove armature 4a 4a
8703B
Clamp
Engine
Clutch Housing
8711A
On/Off Switch
Pressure Control
Pressure Adjust Potentiometer
Control Board
Pressure Control Transducer
Pressure Control Repair
After a fault, follow these steps to restart sprayer
Digital Display Messages
DISPLAY
Installation
Displacement Pump
Removal
Repair
Models 233701, 233706 and
Parts Drawing - GMax 3900, 5900, 5900HD Hi-Boy Sprayers
Y Danger & Warning labels, tags, and cards are free
Parts List - GMax 3900, 5900, 5900HD Hi-Boy Sprayers
Ref No. Part No
Description
Ref No. 19 and
Parts List & Drawing - Pinion Assembly
309409
Models 233700 and
Parts Drawing - GMax 3900 and GMax 5900 Lo-Boy Sprayers
Parts List - GMax 3900 and GMax 5900 Lo-Boy Sprayers
Parts Drawing - Sprayer
GMax 3900, 5900 and 5900HD Sprayers Models 233700 through
Models 233706 through 233708 233716 and
Pressure Control Wiring Diagram
Parts List - Sprayer
VIEW A
Models 233700 through 233703 233705 through 233707 233716 and
Accessories
Parts List/Drawing - Sprayers with RAC Tip, Gun & Hose
Displacement Pump Repair Kits
Models 233702, 233703, 233707, 233708
Dimensions
Technical Data
GMax
Model 233701
ADDITIONAL WARRANTY COVERAGE
Graco Warranty
FOR GRACO CANADA CUSTOMERS
Graco reserves the right to make changes at any time without notice