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7-2
25B Air Motor and Air Valve 25B 4:1 Hydraulic Section Repair
4.
used.
5. Remove the long nuts securing the pump to the mounting bracket.
6. Lift the pump out of the bracket and move it to a clean work area.
Separating the Air Motor and Hydraulic Section
1. See Figure 7-1. Remove the four screws (A) and lockwashers (B).
2. Pull the hydraulic section away from the air motor.
3. Use two wrenches to unscrew the connecting rod (C) from the plunger (3).
Figure 7-1 Separating the Air Motor and Hydraulic Section
3. Plunger B. Lock washers (4)
A. Screws (4) C. Connecting rod