TM 5-3810-307-10
PARK BRAKE ON Indicator (44). The indicator is located on the upper right portion of the
front console panel. The red indicator is lit when the PARK BRAKE Control (57) is in the
ON position.
Right Turn Signal Indicator (45). The indicator is located on the upper right of the front
console panel. The indicator lights when the turn signal lever is positioned to make a right
turn.
DEFROSTER FAN Control Switch (46). The switch is located on the upper right of the
front console panel. The switch controls the windshield defroster fan located under the front
console panel. The switch has three positions: LO, OFF, and HI.
WORK Light Switch (47). The switch is a two-position (ON/OFF) toggle switch, located on
the right side of the front console panel. It controls the crane's work light.
Transmission Shift Lever (48). The lever is located on the right side of the front console
panel and is electrically connected to the transmission selector valve. The lever has seven
different shift positions allowing the operator to select from three forward (F3, F2, F1)
speeds, neutral (N), and three reverse (R1, R2, R3) speeds.
CAUTION
Ensure SWING LOCK Pin control lever is locked in
the disengaged position prior to swinging the
superstructure.
SWING LOCK Pin Control Lever (49). The lever is located in the lower right side of the
front console panel. When actuated, the lever engages a socket in the carrier to prevent the
superstructure from swinging. The boom must be directly over the boom rest cradle or
centered over the rear of the crane to engage the pin. The lever must be disengaged to
rotate the crane superstructure.
THROTTLE FAST/SLOW Control Knob (50). The knob is located at the lower right side of
the front console panel. The hand throttle is mechanically connected to the foot throttle and
provides the operator with a means of maintaining specified engine RPM for crane
operation. To use the hand throttle, depress the foot throttle to the desired engine RPM,
push the button on the hand throttle control knob, and pull out on the knob. When pressure
is felt, release the button and turn the locknut in a clockwise direction to lock and throttle at
the desired RPM. To release the throttle, rotate the locknut counterclockwise, depress the
button, and push in on the cable. Fine adjustment of engine speed is accomplished by
turning the control knob.
REAR AXLE STEERING LOCK Switch (51). The switch is a two-position toggle switch
located on the lower right side of the front console panel. The switch must be in the
UNLOCKED position to enable rear wheel steering with the steering wheel in the
superstructure cab. An indicator to the right of the switch lights when the switch is in the
LOCKED position.
DRIVE/PANEL Light Switch (52). The light switch is a two-position, ON/OFF toggle switch
located on the right side of the front console panel. The ON position turns on the driving
lights on the rear of the crane and the panel lights.
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