17309255
Pressure Control Repair
Pressure Control Transducer
Removal
Refer to Fig. 10 or 11 depending on sprayer voltage.
1.
Relieve pressure; page 4.
2. Remove four screws (60) and pressure control
cover (49). Disconnect display connector (B).
3. Remove two screws (108) and control panel (67).
4. Remove upper two screws (108) and control
housing (58).
5. Disconnect lead (E) from motor control
board (112).
6. Unscrew nut holding transducer (68) in power bar
plate (56).
7. Remove transducer and o–ring (26).
8. Remove grommet (42) holding transducer lead in
cart frame (72).
9. Thread transducer lead plastic connector down
through hole in cart frame.
10. Remove grommet from transducer lead.
Installation
1. Install grommet (42) on transducer lead.
2. Thread transducer lead plastic connector up
through hole in cart frame (72) .
3. Install grommet holding transducer lead in cart
frame.
4. Install o–ring (26) and transducer (68).
5. Screw nut holding transducer in power bar plate
(56). Torque to 30–35 ft-lb.
6. Connect lead (E) to motor control board (112).
7. Install control housing (58) with upper two screws
(108).
8. Install control panel (67) with two screws (108).
9. Install display connector (B). Install pressure
control cover (49) with four screws (60).
Pressure Adjust Potentiometer
Removal
Refer to Fig. 10 or 11 depending on sprayer voltage.
1.
Relieve pressure; page 4.
2. Remove four screws (60) and pressure control
cover (49). Disconnect display connector (B).
3. Remove two screws (108) and control panel (67).
4. Disconnect lead (D) from motor control board
(112).
5. Remove potentiometer knob (36), sealing shaft nut
(32), shaft spacer (96) and pressure adjust poten-
tiometer (64).
Installation
1. Install pressure adjust potentiometer (64), shaft
spacer (96), sealing shaft nut (32) and potentiome-
ter knob (36).
a. Turn potentiometer fully clockwise.
b. Install knob at full clockwise position.
2. Connect lead (D) to motor control board (112).
3. Install control panel (67) with two screws (108).
4. Install display connector (B). Install pressure
control cover (49) with four screws (60).
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