Contents

 

Manual Conventions

. 3

Specifications

. 3

Warnings

. 4

Pressure Relief Procedure

. 6

Grounding and Electrical Requirements

. 7

Thermal Overload

. 7

General Repair Information

. 8

Basic Troubleshooting

. 9

Advanced Troubleshooting

11

General Problem: Motor Does Not Operate

11

General Problem: Circuit Breaker is Tripping

13

General Problem: Erratic Motor Operation

14

General Problem: Low or Fluctuating Output

15

General Problem: No Output

17

General Problem: Excessive Pressure Build Up

17

List of Kits

18

Motor Diagnostics

19

Control Board Diagnostics

20

Pump Diagnostics

20

Pump Service

20

Parts

21

dx Pressure Roller/Spray System

21

Pressure Roller Assembly

23

Parts

24

XR9 Spray System

24

XR9 Spray System Labels

27

Technical Data

29

Graco Warranty

30

2

309477F

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Haier 232738 specifications Contents