Service and Repair
309869C 7
Service and Repair
Prior to rebuilding the pump remove it from production. To do this:
1. Flush the pump, and relieve the pressure. Follow the pressure relief procedure on page 6.
2. Disconnect the ground wire from the ground screw (14) if equipped.
3. Disconnect any hoses.
4. Remove the pump from its mounting.
Disassembly
1. Vertically clamp the valve hous-
ing (42) in a vise and use a strap
wrench or chain wrench to loosen
the valve housing by turning the
fluid cylinder (41).
2. Horizontally clamp the air motor
base (28) in a vise by closing the
vise jaws on the air motor flange.
WARNING
Read warnings beginning on page 3.
CAUTION
Do not remove the valve housing
(42). It is needed to support the
removal of the fluid cylinder.
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