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Page Title:
LOSS OF MIDDLE FRAME LOAD HOLDING. (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.
FLOWMETER TEST
(1) Disconnect hose 2917 male quick
disconnect from LHS control box
female quick disconnect.
(2) Disconnect hose 2888 from LH main
cylinder manifold, port VA.
(3) Connect adapter hose to hose 2888.
(4) Connect adapter hose to main
cylinder manifold, port VA.
(5) Connect flowmeter IN port to
adapter hose connected to LH main
cylinder manifold, port VA.
(6) Connect flowmeter OUT port to
adapter hose connected to
hose 2888.
(7) Completely open flowmeter
load valve.
(8) Connect quick disconnect
hose 2917.
(9) Start engine (TM 9-2320-364-10).
(10) Set hydraulic selector switch to
MAN MF position.
(11) With the aid of an assistant, observe
flowmeter while holding joystick in
LOAD position.
(a) If more than 0 gpm (0 lpm) are
present, perform Steps (12)
through (19) below and replace
LH main cylinder (Para 17-15).
(b) If 0 gpm (0 lpm) are present,
LH main cylinder is OK.
(12) Set hydraulic selector switch
to OFF position.
(13) Turn OFF ENGINE switch.
(14) Disconnect hose 2917 male quick
disconnect from LHS control box
female quick disconnect.
(15) Disconnect flowmeter from two
adapter hoses.
(16) Disconnect adapter hose from
LH main cylinder manifold,
port VA.
(17) Disconnect adapter hose from
hose 2888.
(18) Connect hose 2888 to LH main
cylinder manifold, port VA.
(19) Connect quick disconnect
hose 2917.
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