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Page Title:
LHS DOES NOT OPERATE OR OPERATES SLOWLY. (Cont) |
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 TM 9-2320-364-34-1
The LHS hydraulic system operates at oil
S
pressures up to 3675 psi (25,339 kPa).
Never disconnect any hydraulic line or
fitting without first dropping pressure
to zero. Failure to comply may result in
serious injury or death to personnel.
Fuel and oil are slippery and can cause
S
falls. To avoid injury, wipe up spilled
fuel or oil with rags.
NOTE
Only remove center screw on engine side of
LHS control box cover.
VISUAL INSPECTION
(1) Remove eight screws, lockwashers,
washers and left side noise panel.
Discard lockwashers.
(2) Remove four screws, lockwashers and
LHS control box cover. Discard
lockwashers.
(3) Disconnect hose 2917 male quick
disconnect from LHS control box
female quick disconnect.
(4) Remove shuttle valve B from
multifunction manifold (Para 17-18).
(5) Remove and discard three preformed
packings and two packing retainers.
(6) Shake shuttle valve and listen for ball
to rattle.
(a) If check ball does not rattle, clean
or replace shuttle valve.
(b) If check ball does rattle, shuttle
valve is OK.
(7) Lubricate three preformed packings
and two packing retainers with
hydraulic oil and install on shuttle
valve.
(8) Install shuttle valve B.
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