Graco 232140 Instructions-Parts List Manual page 22

Pressure Control Transducer Removal
1. Relieve pressure.
2. Fig. 16. Remove five screws (28) and cover (82).
3. Disconnect lead (E) from motor control
board (104).
4. Remove strain relief bushing (116).
5. Remove pressure control transducer (31) and
packing o-ring (59) from control housing plate (89).
Pressure Control Transducer Installation
1. Relieve pressure.
2. Fig. 16. Install packing o-ring (59) and pressure
control transducer (31) in control housing
plate (89). Torque to 30–35 ft-lb.
3. Install strain relief bushing (116).
4. Connect lead (E) to motor control board (104).
5. Install cover (82) with five screws (28).
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Pressure Control Repair
Pressure Adjust Potentiometer Removal
1. Relieve pressure.
2. Fig. 16. Remove five screws (28) and cover (82).
3. Disconnect lead (D) from motor control
board (104).
4. Remove potentiometer knob (81), sealing shaft nut
(106) and pressure adjust potentiometer (105).
Pressure Adjust Potentiometer Installation
1. Relieve pressure.
2. Fig. 16. Install pressure adjust potentiometer
(105), sealing shaft nut (106) and potentiometer
knob (81).
3. Connect lead (D) to motor control board (104).
4. Install cover (82) with five screws (28).