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TM 9-2320-364-34-3
17-46
17-8. LOAD HANDLING SYSTEM (LHS) MAIN MANIFOLD RELIEF VALVE
REPLACEMENT (CONT).
(6)
With the aid of an assistant, push on top of
LHS main junction box (6) towards front of
truck enough to lift rear of LHS main
junction box (6) approximately two in. (5.08
cm), and place two wooden blocks under
LHS main junction box (6).
(7)
Position drain pan under relief valve (15).
(8)
Remove relief valve (15) from manifold (16).
(9)
Remove two backup rings (17), preformed
packing (18), two backup rings (19),
preformed packing (20) and preformed
packing (21) from relief valve (15). Discard
backup rings and preformed packings.
b.
Installation.
(1)
Apply hydraulic oil to preformed
packings (20) and (21) and two backup
rings (17) and (19).
(2)
Install preformed packing (21), preformed
packing (20), two backup rings (19),
preformed packing (18) and two backup
rings (17) on relief valve (15).
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