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Page Title:
MIDDLE FRAME DOES NOT LOAD. (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.
PRESSURE TEST
(1) Disconnect hose 2917 male quick
disconnect from LHS control box
female quick disconnect.
(2) Disconnect hose 2890 from adapter
at port T of RH main cylinder
manifold.
(3) Install metal plug in removed hose.
(4) Connect pressure gage to adapter
at main cylinder manifold, port T.
(5) Connect quick disconnect
hose 2917.
(6) Start engine (TM 9-2320-364-10).
(7) Set hydraulic selector switch to
MAN MF.
(8) With the aid of an assistant, observe
gage while holding joystick in LOAD
position.
(a) If more than 0 psi (0 kPa) are
present, relief valve is faulty.
Perform Steps (9) through (12)
and (15) below and repair RH
main cylinder manifold
(Para 17-16).
(b) If 0 psi (0 kPa) are present, relief
valve is OK.
(9) Set hydraulic selector switch to
OFF position.
(10) Turn OFF ENGINE switch.
(11) Disconnect hose 2917 male quick
disconnect from LHS control box
female quick disconnect.
(12) Remove gage from adapter.
(13) Remove plug from hose.
(14) Connect hose to adapter.
(15) Connect quick disconnect
hose 2917.
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