TM 1-1520-238-23
7-360
Change 2
7.92.
UTILITY HYDRAULIC ACCUMULATOR PISTON PACKING REPLACEMENT (AVIM) – continued
7.92.6. Installation
CAUTION
Use extreme care when installing end
cap to prevent it from cocking, or damage
to the barrel bore will occur.
a. Install cap (7) and piston (6) in barrel (2).
(1) Lubricate new packing (9) and two backup
rings (10). Use clean hydraulic fluid (item 92,
App F).
(2) Install packing (9) and two backup rings (10)
on cap (7).
(3) Install cap (7) in barrel (2) until cap (7) reach-
es bottom of barrel (2).
(4) Seal cap (7) and barrel (2) mating surface.
Use sealing compound (item 161, App F).
(5) Install lockwire between cap (7) and barrel
(2). Use wire (item 229, App F).
(6) Lubricate new GT ring (8). Use clean
hydraulic fluid (item 92, App F).
(7) Install GT ring (8) on piston (6).
(8) Lubricate piston (6) and inside of barrel (2).
Use clean hydraulic fluid (item 92, App F).
(9) Install piston (6) in barrel (2) with piston cavity
end first.
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