Graco 395 User Manual

ti2399
Repair
GRACO INC.ąP.O. BOX 1441ąMINNEAPOLIS, MNą55440-1441
Copyright 2002, Graco Inc. is registered to I.S. EN ISO 9001
395/495/595 Airless Sprayers
309674 Rev. C
233960
309639. . . . . . .
309250. . . . . . .
309055. . . . . . .
Related manuals
309709. . . . . . .
309365. . . . . . .
309665. . . . . . .
309706, 309707. . . . . . .
309675. . . . . . . . . . . . . . . . . . . . .
309640. . . . . . .
3300 psi (227 bar, 22.7 MPa) Maximum Working Pressure
Vac
395 233960 233961 233962
120
495 233966 233967 233968
595 234490 234435
240 CEE 7/7 395
Hopper
233955
395 234176
495 233956 233970 233971
595 234437
395 233963
240 Europe
495 233957 234178
595 234438
395 233972
110 UK
495 233973 233975
595 234436
395 234180
240 Asia
495 234183 234181 234182
595 234439
100 Asia 495 234186 233974
All models not available in all countries.
Table of Contents
Component Function and Identification 3. . . . .
Grounding 5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Troubleshooting 5. . . . . . . . . . . . . . . . . . . . . . . . .
General Repair Information 4. . . . . . . . . . . . . . .
Spin Test 10. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Motor Brush Replacement 10. . . . . . . . . . . . . .
On/Off Switch Replacement 13. . . . . . . . . . . . .
Pressure Control Repair 16. . . . . . . . . . . . . . . .
Drive Housing Replacement 19. . . . . . . . . . . . .
Motor Replacement 20. . . . . . . . . . . . . . . . . . . . .
Displacement Pump Replacement 21. . . . . . . .
Technical Data 22. . . . . . . . . . . . . . . . . . . . . . . . .
Graco Phone Number 22. . . . . . . . . . . . . . . . . . .
Graco Warranty 22. . . . . . . . . . . . . . . . . . . . . . . .

Graco 395 Specifications

General

Max Pressure	3300 PSI
Hose Length	50 ft
Type	Airless Paint Sprayer
Power Source	Electric
Voltage	120V
Motor	DC Motor
Amp Draw	15A

Summary

Component Identification and Function

General Repair Information

Pressure Relief Procedure

Procedure to manually relieve system pressure before servicing equipment.

Grounding

Troubleshooting

Motor Won't Operate

Diagnosing and resolving issues when the motor does not operate.

Low or Fluctuating Output

Resolving problems with low or inconsistent sprayer output.

Motor Is Hot and Runs Intermittently

Addressing issues where the motor overheats or operates intermittently.

Electrical Short

Troubleshooting electrical shorts and circuit breaker issues.

Spin Test

Armature, Brushes, and Motor Wiring Open Circuit Test

Testing armature, motor winding, and brush electrical continuity.

Armature Short Circuit Test

Testing the motor armature for electrical shorts.

Motor Brush Replacement

395/495 Motor Brush Removal

Procedure for removing motor brushes on 395/495 models.

395/495 Motor Brush Installation

Procedure for installing motor brushes on 395/495 models.

595 Motor Brush Removal

Procedure for removing motor brushes on 595 models.

595 Motor Brush Installation

Procedure for installing motor brushes on 595 models.

On/Off Switch Replacement

100, 120 Vac On/Off Switch Replacement

Procedure for replacing the ON/OFF switch on 100/120 Vac models.

110, 240 Vac On/Off Switch Replacement

Procedure for replacing the ON/OFF switch on 110/240 Vac models.

Pressure Control Repair

Motor Control Board Diagnostics

Diagnosing issues using LED indicators on the motor control board.

Digital Display Messages

Interpreting digital display error codes for sprayer operation.

Pressure Control Transducer

Procedure for removing and installing the pressure control transducer.

Pressure Adjust Potentiometer

Procedure for removing and installing the pressure adjust potentiometer.

Drive Housing Replacement

Motor Replacement

Displacement Pump Replacement

Technical Data