TM 5-3810-307-24-1-1
(19) Turn screw (6) of sensor marked "LT" out until LEFT indicator light comes on, and mark position of
the leading edge of adjustment bracket (10) on axle bracket.
(20) Turn screw (6) of sensor marked "LT" in until the leading edge of adjustment bracket (10) is half way
between the two marks.
(21) Apply LOCTITE 242 to threads of screw (6), hold head of screw (6), and tighten nut (5) to secure
adjustment bracket (10) in place.
(22) Apply LOCTITE 242 to threads of "LT" sensor, and tighten nuts (9 and 11) to hold sensor in place.
(23) Remove metal object from under "CTR" sensor.
(24) Remove steering wheel lock from carrier cab steering wheel.
(25) Start engine from superstructure cab and position boom over rear of crane. Verify that FRONT
AXLE STEERING CENTER indicator light is lit (front wheels centered). Position FRONT AXLE
STEERING toggle switch to RIGHT, ensure front axle wheels turn in direction shown on pictogram
on right side of switch, CENTER and LEFT indicator lights are out, and RIGHT indicator light comes
on. Position toggle switch to LEFT, ensure front axle wheels turn in direction shown on pictogram on
left side of switch, CENTER and RIGHT indicator lights are out, and LEFT indicator light comes on.
(26) Position EMI shield (8) over sensors and secure in place with clamps (7).
b.
Adjust sensors for rear axle proximity sensor assembly (25, Figure 2-4-3) as follows:
(1)
Using alignment equipment, center rear wheels.
(2)
Place ignition switch in carrier cab to ACC position.
(3)
Engage rear steering lock cylinder by placing REAR AXLE STEERING LOCK switch on carrier cab
dash panel to LOCKED position.
(4)
Adjust "CTR" and "LT" sensors of rear axle by performing step a.(4) thru a.(23) above, except use
REAR AXLE STEERING indicator lights on carrier cab dash panel.
(5)
Loosen nuts (22 and 24) on "LK" sensor and adjust sensor to achieve a clearance of 0.31 0.03 in.
(7.9 0.8 mm) between bottom of "LK" sensor and top of rear steering lock cylinder actuator pin.
Tighten nuts (22 and 24) finger tight.
(6)
Disengage rear steering lock cylinder by placing REAR AXLE STEERING LOCK switch to
UNLOCKED position. The REAR STEER LOCK ENGAGED indicator light should go out and the
REAR STEER LOCK DISENGAGED light should come on.
(7)
Turn screw (19) in until the REAR STEER LOCK ENGAGED indicator light comes on, and mark
position of the leading edge of adjustment bracket (23) on axle bracket.
(8)
Turn screw (19) out until the REAR STEER LOCK ENGAGED indicator light goes out and comes on
again, then mark position of the leading edge of adjustment bracket (23) on axle bracket. If REAR
STEER LOCK ENGAGED indicator light never goes out as screw (19) is turned out, adjust "LK"
sensor up (away from steering arm) 1/4 turn and repeat steps (6) and (7).
(9)
Turn screw (19) of sensor marked "LK" in until the leading edge of adjustment bracket (23) is half
way between the two marks.
2-4-18
