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TM 55-2915-335-30&P
2-14. INLET SHUTOFF VALVE - lNSPECT/REPLACE (Cent)
2-14
4. INSTALLATION
a. Apply a thin coating of petrolatum (Item 6, Ap-
pendix C) to preformed packing (7). Install pack-
ing in valve stem bore of pump housing (5). Make
sure packing is fully seated in packing groove.
b. Apply a thin coating of petrolatum to valve stem.
Install spring (6) over valve stem assembly (1). In-
sert valve stem into pump housing (5). Rotate
valve stem when installing to
preformed packing.
avoid pinching
When pushing valve stem into bore, apply
pressure at base of valve stem, only. Ap-
plying pressure at free end of valve arm
will cause valve arm to bend.
c. Depress valve stem and spring (6). Apply pressure
to base of valve stem. Keep valve stem assembly
(1) fully pressed into pump housing (5).
d. Install washer (4) on threaded end of valve stem
assembly (l). Install seal disk assembly (3) over
washer (4). Install self-locking nut. Torque plain
nut (2) to 6 inch-pounds (0.678 N.m).
NOTE
FOLLOW-ON MAINTENANCE: Install canister on pump housing
(paragraph 2-11).
END OF TASK
2-39
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