TM 1-1520-238-23
7-102
Change 1
7.30.
HYDRAULIC HAND PUMP CHECK VALVE REPLACEMENT (AVIM) – continued
7.30.4. Cleaning
a. Wipe removed and attaching parts with a
clean rag.
7.30.5. Inspection
a. Check valve for nicks, dents, rounded flats,
and stripped or damaged threads (para 7.1).
b. Check removed and attaching parts for corro-
sion (para 1.49).
7.30.6. Installation
a. Install new valve (1) in manifold (2). Torque
valve (1) to 30 INCH-POUNDS.
(1) Lubricate three new packings (3), (4), and (8),
and two new retainers (5). Use clean
hydraulic fluid (item 92, App F).
(2) Install spacer (6) and packing (8) in valve port
(7).
(3) Install packing (3) in groove (9) and packing
(4) between two retainers (5) in groove (10).
(4) Install valve (1).
(5) Torque valve (1) to 30 INCH-POUNDS. Use
torque wrench.
(6) Lockwire valve (1) to adjacent valve (11). Use
wire (item 230, App F).
b. Inspect (QA).
c. Install pump selector lever (if removed) (para
7.29).
d. Perform hydraulic hand pump functional
check (para 7.31).
END OF TASK
9
1
4
2
M04-2674-3A
3
5
7
6
8
10
11
