Pressure Control Replacement
WARNING
Do not attempt to adjust or calibrate the pressure
control. If the pressure control is faulty, replace it.
12. Reassemble in the reverse order; attach ground
wire (C), power leads (L1 and L2), the red leads to
the TS terminals on the circuit board (B1), the M+
and M– leads, and the potentiometer cable to the
connector on B1. Carefully route the wires away
from the filter board. Attach the pressure control
board/cover (301) using the four mounting screws
and washers (302, 303, 304),
04790
Fig. 18
304
L1
C
302
304
303
317
310
301
L2
B1
TS
Filter Board Replacement
WARNING
FLUID INJECTION HAZARD
To reduce the risk of serious injury,
follow the illustrated
Pressure Relief
Procedure
warning on page 12 when-
ever you are instructed to relieve pressure.
1. Relieve pressure.
2. Perform the
Pressure Control Replacement
pro-
cedure steps 2 through 11.
3. Remove the three screws holding the filter board in
place and remove the filter board.
4. Reassemble in the reverse order; replace filter
board, attach ground wire (C), power leads (L1
and L2), the red leads to the TS terminals on the
circuit board (B1), the M+ and M– leads, and the
potentiometer cable to the connector on B1. Care-
fully route the wires away from the filter board. At-
tach the pressure control board/cover (301) using
the four mounting screws and washers (302, 303,
304),