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 TM55-1730-228-13&P
3-40. HAND PUMP - REPLACE (Continued)
3-40
a. REMOVAL:
Some hoses may contain small amounts of trapped hydraulic pressure. Wear protective clothing including
a face shield, head gear and gloves. Fine streams of hydraulic fluid under pressure cannot be readily
seen but can easily penetrate the skin causing severe personal injury. Use extreme caution and be alert
whenever breaking into a hydraulic system.
Hydraulic fluid may be extremely hot. Allow the SPEMS to stand fifteen minutes before breaking into
hydraulic system.
Take steps to ensure that no dust or debris enters the pump or hoses. Use tape, plastic or plugs as
required.
(1) Using two wrenches, loosen the hydraulic inlet tee (1, Figure 3-42) slightly, until all pressure is relieved.
(2) Disconnect inlet tee (1) and return hose (2).
(3) Remove capscrews (3) with washers (4) and nuts (5) that hold hand pump (6) to frame. Remove hand
pump (6).
b. INSTALLATION:
(1) Place pump (6) in position on frame.
(2) Install retaining capscrews (3) with washers (4) and nuts (5).
(3) Connect pump tee (1) and hose (2) and tighten with two wrenches.
(4) Perform operational check for proper function.
END OF TASK
3-107
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