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Removal
1.
Relieve pressure; page 4.
2. Fig. 15. Remove five screws (307) and
cover (322).
3. Fig. 22. Disconnect at control board (302):
Four clutch leads: two violet and two black.
Lead (D) from potentiometer.
Lead (E) from transducer.
Two red leads (A) to ON/OFF switch (309).
4. Fig. 15. Remove five screws (303), green ground
wire and control board (302).
Removal
1.
Relieve pressure; page 4.
2. Fig. 15. Remove five screws (307) and
cover (322).
3. Disconnect lead (E) from control board (302).
4. Remove three screws (319) and fluid filter (318)
from control plate (301). Carefully pull transducer
connector through rubber grommet (315).
Removal
1.
Relieve pressure; page 4.
2. Fig. 15. Remove five screws (307) and
cover (322).
3. Disconnect lead (D) from control board (302).
4. Loosen set screws on potentiometer knob (313)
and remove knob, shaft nut, lockwasher (310) and
pressure adjust potentiometer (310).
5. Remove seal (311) from potentiometer (310).
Pressure Control
Control Board
Installation
When installing replacement control board, follow
instructions with control board to set model type.
1. Fig. 15. Install green ground wire and control
2. Fig. 22. Connect to control board (302):
3. Fig. 15. Install cover (322) with five screws (307).
Pressure Control Transducer
5. Remove pressure control transducer (318z) and
1. Fig. 15. Install packing o-ring (318aa) and pres-
2. Carefully feed transducer connector through
3. Connect lead (E) to motor control board (302).
4. Install cover (322) with five screws (307).
Pressure Adjust Potentiometer
Installation
1. Install seal (311) on potentiometer (310).
2. Fig. 15. Install pressure adjust potentiometer
3. Connect lead (D) to control board (302).
4. Install cover (322) with five screws (307).
board (302) with five screws (303).
Two red leads (A) to ON/OFF switch (309).
Lead (E) to transducer.
Lead (D) to potentiometer.
Four clutch leads: two violet and two black.
packing o-ring (318aa) from filter housing (318a).
Installation
sure control transducer (318z) in filter
housing (318a). Torque to 30–35 ft-lb.
rubber grommet (315). Install fluid filter (318) on
control plate (301) with three screws (319).
(310), shaft nut, lockwasher (310) and potentiome-
ter knob (313).
a. Turn potentiometer shaft (310) clockwise to
internal stop. Assemble potentiometer knob
(313) to strike pin on plate (312).
b. After adjustment of step a., tighten both set
screws in knob 1/4 to 3/8 turn after contact
with shaft.
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