JLG 1250AJP Service Manual User Manual

Page 293

Advertising
background image

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

Advertising