Remove retaining ring 19e, 309409, 8703B, 8704A

7.Fig. 7. Remove retaining ring (19e).

8.Tap pinion shaft (19d) out with plastic mallet.

19e

19d

8703B

Fig. 7

9.Fig.8. Use an impact wrench or wedge something between armature (4a) and clutch housing to hold engine shaft during removal.

10.Remove four screws (16) and lockwashers (17).

11.Remove armature (4a).

Fig. 8	8704A

309409 11

Page 11

Image 11

Graco Inc 233703 Remove retaining ring 19e, Tap pinion shaft 19d out with plastic mallet 19e 19d, 309409, 8703B, 8704A

Contents

GRACO INC. P.O. BOX 1441 MINNEAPOLIS, MN Important Safety InstructionsINSTRUCTIONS-REPAIR309409E GMaxr 3900, 5900, 5900HD Airless Paint Sprayers Warnings and Cautions Table of ContentsWarning Symbol Caution Symbol 309409 INJECTION HAZARDTOXIC FLUID HAZARD RECOIL HAZARD EQUIPMENT MISUSE HAZARD HAZARD OF USING FLUIDS CONTAINING HALOGENATED HYDROCARBONSFIRE AND EXPLOSION HAZARD AFTER THE FIRST 20 HOURS OF OPERATION MaintenancePressure Relief Procedure INJECTION HAZARD CAUSE TroubleshootingPROBLEM SOLUTION Use larger diameter hose and/or reduce overall Model 233701 shown Bearing Housing and Connecting RodInstallation Removal Secure 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 8703B 7. Fig. 7. Remove retaining ring 19e8. Tap pinion shaft 19d out with plastic mallet 19e 19d 10. Remove four screws 16 and lockwashers 11. Remove armature 4a 4a Clamp Engine Clutch Housing 8711A On/Off Switch Pressure Control Transducer Pressure Adjust PotentiometerPressure Control Control Board DISPLAY After a fault, follow these steps to restart sprayerPressure Control Repair Digital Display Messages Repair Displacement PumpInstallation Removal Models 233701, 233706 and Parts Drawing - GMax 3900, 5900, 5900HD Hi-Boy Sprayers Description Parts List - GMax 3900, 5900, 5900HD Hi-Boy SprayersY Danger & Warning labels, tags, and cards are free Ref No. Part No 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 Models 233706 through 233708 233716 and Parts Drawing - SprayerGMax 3900, 5900 and 5900HD Sprayers Models 233700 through Models 233700 through 233703 233705 through 233707 233716 and Parts List - SprayerPressure Control Wiring Diagram VIEW A Models 233702, 233703, 233707, 233708 Parts List/Drawing - Sprayers with RAC Tip, Gun & HoseAccessories Displacement Pump Repair Kits Model 233701 Technical DataDimensions GMax Graco reserves the right to make changes at any time without notice Graco WarrantyADDITIONAL WARRANTY COVERAGE FOR GRACO CANADA CUSTOMERS