User's Manual

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Service
Removing the Primary Pump and/or the
Lower Bearing and Pin
1. Flush the entire system with a compatible solvent.
WARNING
To reduce the risk of serious injury whenever you
are instructed to relieve pressure, always follow the
Pressure Relief Procedure on page 15.
2. Relieve the pressure.
3. Remove the safety panels (39,40). Disconnect the
inlet and outlet hoses on the primary displacement
pump (123).
NOTE: Refer to Fig. 15 for Steps 4 to 6.
4. Remove the three tie rod locknuts (103) and push
up on the air motor (118) until the tie rods (116)
clear the mounting holes of the displacement
pump. See Fig. 15.
5. Using a wrench on the flats of the tie rods,
unscrew them from the air motor base.
6. Remove the upper cotter pin (102c) and unscrew
the air motor from the connecting rod (121).
02375A
Fig. 15
103
116
118
102c
121
Continued on page 26.