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TM 9-2320-304-14&P
5-221
Direct Support and General Support Maintenance (Cont)
b. Installation
CAUTION
Preformed packing, backup ring, and sealing ring assembly are very similar in size. The
last preformed packing to be installed and its backup ring are the smallest in size. If these
components fit loosely or tightly on load control valve, they are installed in the incorrect
position. Damage to equipment may result.
(1) Apply hydraulic oil to preformed packings (1, 2, and 3) and backup rings (4 and 5).
(2) Install preformed packing (3), preformed packing (2), two backup rings (4), backup ring (5) and
preformed packing (1) on load control valve (6).
(3) Install load control valve (6) in hydraulic manifold (7). Tighten valve to 75 lb-ft. (102 NSm).
(4) Install LHS control box cover (8) on
bracket (9) with four lockwashers (10)
and screws (11).
(5) Connect two hose quick disconnects (12)
on main control box quick
disconnects (13).
c. Follow-on Maintenance.
(1) Start engine (TM 9-2320-279-10).
(2) Operate LHS (Para 2-9).
(3) Check for oil leaks (TM 9-2320-279-10).
(4) Shut OFF engine (TM 9-2320-279-10).
(5) Check hydraulic oil reservoir level
(TM 9-2320-279-20).
(6) Remove wheel chocks
(TM 9-2320-279-10).
END OF TASK
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