JLG 1250AJP Service Manual User Manual
Page 293
SECTION 4 - BOOM & PLATFORM
3121171
– JLG Lift –
4-53
INITIAL ADJUSTMENT: USE TRUNNION KEEPER SHIMS
TO ADJUST SENSOR 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 VARIED 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