(1) Connect LHS control assembly.
(2) Carefully lift off LHS control assembly
cover from LHS control box assembly.
Do not allow cover to dangle by
joystick connecting wires.
(3) Turn ON ENGINE switch
(4) Observe red indicator lights at bottom
of LHS control assembly while hold
ing joystick in LOAD position.
(a) If HOOK ARM B SOL light and
MAIN RAM B SOL light are not
on, LHS control assembly is
faulty. Replace LHS control
assembly (Para 7-40).
(b) If HOOK ARM B SOL light and
MAIN RAM B SOL light are on,
perform Steps (5) through (9)
(5) Start engine.
(6) Raise LHS in AUTO mode until
middle frame is approximately 3 ft (91
cm) above transit position.
(7) Turn OFF ENGINE switch.
(8) Turn ON ENGINE switch.
(9) Observe red indicator lights at bottom
of LHS control box assembly while
holding joystick in LOAD position.
(a) If HOOK ARM B SOL light is on or
MAIN RAM B SOL light is not on,
replace LHS control assembly
(b) If HOOK ARM B SOL light is not
on and MAIN RAM B SOL light is
on, LHS control box assembly is
(10) Install cover and switch guard on LHS
control assembly with eight screws
Remove all jewelry such as rings, dog tags, bracelets, etc. If jewelry or tools contact positive electrical
circuits, a direct short may result. Damage to equipment, injury or death to personnel may occur.
Do not allow the LHS control box assembly
cover to hang from console by the wire
connections to the control box assembly.
Failure to comply will damage the wire