14 309303
Service
Remove the Fluid and Side Covers
Tools Required
Torque wrench
2.5 mm allen wrench
6 mm allen wrench
Adjustable wrench
Disassembly
WARNING
To reduce the risk of serious injury whenever you
are instructed to relieve pressure, always follow the
Pressure Relief Procedure on page 11.
1. Relieve the pressure.
2. Disconnect the hoses and ground wire.
3. Remove the pump from its mounting.
CAUTION
Be careful that the ball checks do not fall out when
you remove the fluid covers (32).
4. Remove the six screws (38) and top cover (32)
from the center housing (1). Remove the ball
check seals (24). Remove the bottom cover and
seals.
NOTE: Always replace the ball check seals (24) when-
ever the fluid covers (32) are removed. These seals
are included in the four repair kits.
NOTE: Perform step 5 only if you are servicing the air
valve or the diaphragm shaft.
5. Remove the two screws (39) and take off the side
cover (31) and felt dampener (29).
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