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 TM 9-2320-364-34-1
Adhesives, solvents, and sealing compounds
can burn easily, can give off harmful vapors,
and are harmful to skin and clothing. To avoid
injury or death, keep away from open fire and
use in well-ventilated area. If adhesives, solvent,
or sealing compound gets on skin or clothing,
wash immediately with soap and water.
Do not get under LHS when disconnecting or
connecting connectors and hoses. A hydraulic
malfunction could cause LHS to lower causing
serious injury or death.
OPERATION TEST
(1) Raise hook arm approximately 24 in.
(61 cm) (TM 9-2320-364-10).
(2) Loosen connector screw and
disconnect connector from safe
lowering solenoid valve on port VA
side of LH hook arm manifold.
(3) Loosen connector screw and
disconnect connector from safe
lowering solenoid valve on port VA
side of RH hook arm manifold.
(4) Set hydraulic selector switch to
MAN HA.
(5) With the aid of an assistant, attempt to
load using cab joystick while pushing
in hook arm safe lowering button.
(a) If hook arm does not load,
perform Steps (6) and (7) below
and go to Step 5 of this Fault.
(b) If hook arm loads, perform
Steps (6) through (9) below and
go to Step 4 of this Fault.
(6) Set hydraulic selector switch to OFF
position.
(7) Turn OFF ENGINE switch.
(8) Connect connector to safe lowering
solenoid valve on LH hook arm
manifold.
(9) Tighten connector screw and coat
head of connector screw with
sealing compound.
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