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14 308017
Service
Required Tools
D Torque wrench
D Bench vise, with soft jaws
D Rubber mallet
D Hammer
D O-ring pick
D 13 mm (1/2 in.) dia. brass rod
D Set of socket wrenches
D Set of adjustable wrenches
D Pipe wrench
D Packing nut wrench (110, supplied)
D Thread lubricant
D Thread sealant
Disconnecting the Displacement Pump
1. Flush the pump, if possible. Stop the pump at the
bottom of its stroke.
WARNING
To reduce the risk of serious injury whenever you
are instructed to relieve pressure, always follow the
Pressure Relief Procedure on page 9.
2. Relieve the pressure.
3. Disconnect the air hose. Hold the fluid outlet fitting
(8) with a wrench to keep it from being loosened
while you disconnect the fluid hose.
4. Remove the pump from its mounting. Disconnect
the displacement pump (107) from the motor (101)
as follows. Be sure to note the relative position of
the pump’s fluid outlet (8) to the motor air inlet
(CC).
5. Using an adjustable wrench (or a hammer and
rod), unscrew the coupling nut (104) from the
connecting rod (103) or air motor shaft. Do not
lose or drop the coupling collars (105). See Fig. 4.
6. Hold the tie rod flats with a wrench to keep the
rods from turning. Use the wrench (110) provided
with the pump to unscrew the nuts (106) from the
tie rods (102). Carefully remove the displacement
pump (107) from the motor (101).
7. Refer to page 16 for displacement pump service.
To service the air motor, refer to the separate
motor manual, supplied.