LOSS OF HOOK ARM SAFE LOWERING. (Cont) -726250333

TM 9-2320-364-34-1

All personnel must stand clear during lifting operations. A swinging or shifting load may cause injury or

death to personnel.

NOTE

Only remove center screw on engine side of

LHS control box cover.

OPERATION TEST

(1) Remove four screws, lockwashers and

LHS control box cover. Discard

(2) Position LHS hook to rear of truck

(TM 9-2320-364-10).

(3) Attach 500 lb (227 kg) minimum load

to hook.

(4) Raise hook arm approximately half of

its travel.

(5) Push in hook arm safe lowering

button.

(a) If hook arm does not safe lower,

lower load using normal controls,

Perform Steps (6) through (9)

below and go to Step 5 of

this Fault.

(b) If hook arm does safe lower,

perform Steps (6) through (9)

below and go to Step 2 of this

Fault.

(6) Remove load from hook.

(7) Put LHS in transit position.

(8) Set hydraulic selector switch to

OFF position.

(9) Turn OFF ENGINE switch.