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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) Remove plug from main manifold,
port TPMA.
(3) Remove preformed packing and
backup ring from plug. Discard
preformed packing and backup ring.
(4) Connect pressure gage to main
manifold, port TPMA.
(5) Connect quick disconnect
hose 2917.
(6) Start engine (TM 9-2320-364-10).
(7) Set hydraulic selector switch to
MAN MF.
(8) Raise main frame approximately 24
in. (61 cm).
(9) With the aid of an assistant, observe
pressure gage while holding
joystick in LOAD position.
(a) If more than 1300 psi (8964 kPa)
are present, perform Steps (10)
and (16) below and replace RH
(inboard) main cylinder
manifold load control valve
(Para 17-6).
(b) If 1300 psi (8964 kPa) or less
are present, load control valve
is OK.
(10) Set hydraulic selector switch to OFF
position.
(11) Turn OFF ENGINE switch.
(12) Disconnect hose 2917 male quick
disconnect from LHS control box
female quick disconnect.
(13) Remove pressure gage from main
manifold.
(14) Lubricate preformed packing and
backup ring with hydraulic oil.
(15) Install preformed packing and
backup ring on plug and install
plug in main manifold, port TPMA.
Tighten to 96 lb-in (11 N.m).
(16) Connect quick disconnect
hose 2917.
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