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TM 10-4320-316-14
4-19. PUMP DRAIN REPAIR AND REPLACEMENT.
This Task Covers:
a.
Removal
b.
Inspection
c.
Repair
d.
Installation
Initial Setup:
Tools Required
Tool Kit, General Mechanic's (Appendix B, Item 1)
Materials Required
None
Equipment Condition
DED pump assembly shut down and cool.
Outlet enclosure assembly tilted open (see para 4-23).
a. Removal. (Refer to Figure 4-8).
(1) Remove drain cock (1) from unit.
(2) Remove coupling (2) and nipple (3) from pump (4).
b. Inspection.
(1) Inspect drain cock for damage and for smooth operation of handle.
(2) Check coupling and nipple for cracks and for damaged threads.
c. Repair. Repair is limited to replacement of parts found defective during inspection.
d. Installation.
(1) Install nipple (3) and coupling (2) onto pump (4).
(2) Install drain cock (1) onto coupling (2).
4-30
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