Pressure Control Transducer; Pressure Adjust Potentiometer - Graco ASM Zip-Spray 2300 Plus Repair Manual

Pressure Control Transducer

See Wiring Diagram, page 25.
Removal
1. Relieve Pressure, page 6.
2. Remove screws (12) and cover (50).
3. Disconnect transducer lead from motor control
board (49).
4. Slide transducer transducer grommet (20) out of
control box (48).
5. Remove pressure control transducer (38) and o-ring
(3) from filter housing.
Installation
1. Install o-ring (3) and pressure transducer (38) in fil-
ter housing (15). Torque to 30-35 ft-lb.
2. Thread transducer lead plastic connector through
transducer grommet (20) and slide grommet into
slot in control box housing (48).
3. Install filter housing (15) with screws (47).
4. Connect transducer lead (J7) to motor control board
(49).
5. Install cover (50) with screws (12).
312496H

Pressure Adjust Potentiometer

See Wiring Diagram, page 25.
Removal
1. Relieve Pressure, page 6.
2. Remove screws (12) from cover (50).
3. Disconnect potentiometer lead from motor control
board (49).
4. Loosen set screw and remove potentiometer knob
(11), nut (37a) and pressure adjust potentiometer
(37).
Installation
1. Install pressure adjust potentiometer (37) and nut
(37a).
a. Turn potentiometer fully clockwise.
b. Install knob (11) at full clockwise position and
secure by tightening set screw.
2. Connect potentiometer lead (J8) to motor control
board (49). See Wiring Diagram, page 25, for your
sprayer model.
3. Install cover (50) with screws (12).
Pressure Control Repair
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