Service Manual Instruction Manual

SECTION 4 - BOOM & PLATFORM
3121171 – JLG Lift – 4-53
INITIAL ADJUSTMENT: USE TRUNNION KEEPER SHIMS TO ADJUST SEN-
SOR MOUNT BAR TO BE FLUSH
±0.060 (1.52mm) WITH MAIN BOOM
PIVOT PIN AS SHOWN BELOW
SLIDE COUPLING ONTO SWITCH
UNTIL IT BOTTOMS OUT
TORQUE CLAMP SCREW
TO 8 in.lbs. (0.9 Nm)
SECTION B-B
FROM Figure 4-33.
SLIDE COUPLING ONTO COUPLING
MOUNT UNTIL IT BOTTOMS OUT
TORQUE CLAMP SCREW
TO 8 in.lbs. (0.9 Nm)
ADJUST PROXIMITY SENSOR TO BE FLUSH ±0.015 (0.396 mm)
WITH BOTTOM OF COUNTERBORE IN SENSOR MOUNT
Figure 4-41. Boom Sensor Locations - Rotary Angle & Proximity Sensor - Sheet 2 of 2
SEE DETAIL C
PROXIMITY SENSOR
PROXIMITY SENSOR MOUNT
ADJUST SENSOR MOUNT TO HAVE 0.075 ± 0.030 (1.90 ± 0. 76 mm)
CLEARANCE TO PIVOT DOUBLER WHEN BOOMS ARE IN STOWED POSITION
PROXIMITY SENSOR
PROXIMITY SENSOR MOUNT
0.075 ± 0.030
(1.90 ± 0.76 mm)
MAIN BASE BOOM
PIVOT DOUBLER
DETAIL C
MEASUREMENT SURFACE
NOTE: BOOM OPERATION CAN CAUSE BOOM TO MOVE SIDE-TO-SIDE ON
ITS PIVOT PIN. PROPER ADJUSTMENT OF MOUNTING BLOCK CAN BE VAR-
IED FROM THE FLUSH CONDITION IF THE MEASUREMENT SURFACE ON
ONE SIDE OF THE BOOM IS UNDER HEIGHT BY AN EQUAL VALUE AS TEH
OPPOSITE SIDE IS OVER HEIGHT.
0273121-M