TM 1-1520-238-23
Change 1
7-360.1/(7-360.2 blank)
7.92.
UTILITY HYDRAULIC ACCUMULATOR PISTON PACKING REPLACEMENT (AVIM) – continued
b. Install manifold (1) on barrel (2).
(1) Lubricate new packing (4) and two backup
rings (5). Use clean hydraulic fluid (item 92,
App F).
(2) Install packing (4) and two backup rings (5)
on manifold (1).
(3) Install retainer (3) on manifold (1) and posi-
tion in groove.
(4) With slot in side of barrel (2) facing up, insert
manifold (1) into barrel (2) approximately 0.50
INCH until packing (4) and backup rings (5)
clear lip of barrel (2). Hold manifold (1) and
aline gap of retainer (3) with slot of barrel (2).
(5) Compress retainer (3), maintaining alinement
of retainer gap with slot in barrel (2). Fully
insert manifold (1) into barrel (2). Use
retaining ring pliers.
(6) Move manifold (1) slightly in and out of barrel
(2) to ensure seating of retainer (3).
(7) Check that retainer (3) is properly seated and
manifold (1) is retained in barrel (2) by pulling
on manifold (1).
(8) With manifold (1) held outward from barrel
(2), install a minimum of two full wraps of
lockwire between manifold (1) and barrel (2)
to eliminate all in and out play of manifold (1).
Use wire (item 229, App F).
(9) Check that all end play is eliminated.
c. Inspect (QA).
d. Perform utility hydraulic accumulator leak
check (para 7.93).
END OF TASK
M04-3751-6A
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