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26 308715
Pressure Control
WARNING
INJECTION HAZARD
To reduce the risk of serious injury,
whenever you are instructed to relieve
pressure, follow the Pressure Relief
Procedure on page 9.
NOTE: See Fig. 25 for this procedure.
NOTE: The pressure control (64) cannot be repaired
or adjusted. If it has malfunctioned, replace it.
1. Remove the front cover (13). Remove the screws
(56). Lower the junction box (59).
2. Disconnect the harness connector (A) from the
motor start board (47).
3. Remove the screws (63). Pull forward on the
pressure adjusting knob and tip the pressure
control (64) forward and up to detach it from the
drive housing (11).
4. Guide the harness (A) through the motor and drive
housing and remove the pressure control.
5. Guide the harness of the new pressure control
through the drive housing and motor passages.
6. Install the new pressure control. Tip the pressure
control down and back into the drive housing (11).
Do not pinch or damage the harness (A).
7. Loosely install the screws (63) and then torque
them to 21 in–lb (2.4 N.m).
8. Install the front cover (13). Connect the harness
(A) to the motor start board (47).
9. Install the junction box. Be sure no leads are
pinched against the motor or by the motor start
board.
64
63
59
56
A
13
11
Torque to
21 in–lb (2.4 N.m)
Fig. 25
1
1
02816A