TM 55-1520-240-23-6
7-150
REMOVE UTILITY HYDRAULIC PUMP
(Continued)
7-150
6.
Tag and note position of elbow (5).
7.
Remove elbow (5) and seal (6) from pump (2).
8.
Remove check valve (7) and packing (8).
9.
Remove union (9) and packing (10).
10.
Remove union (11) and packing (12) in case
drain port (13).
11.
Visually inspect check valve (7) for damage to
insure integration of inner moving parts. Valve
should appear closed when viewed through
small end (end toward base of directional arrow).
The sealing plunger should make solid contact
around circumference, and should appear flat.
If seal does not appear to be total, or a gap is
present, check valve should be replaced.
FOLLOW-ON MAINTENANCE:
None
END OF TASK
7-668
