TM 10-4630-207-13&P
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6
4
1
2
1
3
2
5
Figure 3. Replacing Hydraulic System Components
4. Remove drain plug from pump and drain hydraulic fluid from pump through the drain port (figure 4,
item 5). (Fill port (figure 4, item 6) must be open.)
5. To replace a hydraulic hand pump (figure 4, item 1), disconnect the hoses from the elbow fittings and
piston valves as described in step 1., above. Open control knobs (figure 4, item 2).
6. Remove the hand pump mounting bolts (figure 4, item 3) from the pump base.
7. Disconnect the manifold (figure 4, item 4) (leaving the control knobs, elbow fittings, hose nipples and
breakaways connected) from the pump.
8. Reinstall the manifold (figure 4, item 4) onto new hand pump. Reinstall drain port plug (figure 4, item
5) and fill hand pump with hydraulic fluid through fill port (figure 4, item 6).
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