JLG 110HX Service Manual - Manual (Page 53)

SECTION 2 - PROCEDURES
3120864 – JLG Lift – 2-29
35. Install outer mid section retract chain clevis into
attach block at lower front end of base boom sec-
tion. Install adjust nut and locknut on clevis.
NOTE: When installing base section wear pads, install same
number and thickness of shims as were removed
during disassembly.
36. Install base section top front wear pads and shims,
as required, using bolts and lockwashers.
37. Install base section lower front wear pads, mounting
blocks, and shims, as required, using bolts, wash-
ers, and lockwashers.
38. Install base section side front wear pads and shims,
as required, using bolts and lockwashers.
39. Carefully align telescope cylinder rod end with holes
in aft end of base boom section and install attach
pin. If necessary, tap pin into place using a soft
headed mallet. Secure pin with cotter pins.
40. Install outer mid section extend chain attach block at
aft end of base section and secure with bolts and
lockwashers.
41. Install outer mid section extend chain clevis through
hole in attach block and secure with adjust nut and
locknut.
42. Attach platform to boom assembly.
43. Attach the left side powertrack to boom assembly.
44. Connect wiring to platform control box.
45. Connect hydraulic lines to slave level cylinder and
rotator motor.
46. Attach the right side powertrack bracket and power-
track to boom assembly.
Installation
1. Using suitable lifting equipment, position assembled
boom on turntable so that boom pivot holes in both
boom and turntable are aligned.
2. Insert boom pivot pin, ensuring that locating slots in
pin are aligned with setscrew locating holes in pin
bushings.
3. If necessary, gently tap pin into position with a soft
headed mallet. Secure pin with setscrews.
4. Connect all wiring to ground control box.
5. Using all applicable safety precautions, operate lift-
ing equipment in order to position boom lift cylinder
so that holes in cylinder rod end and boom structure
are aligned. Insert lift cylinder pin.
6. If necessary, gently tap pin into position with a soft
headed mallet, ensuring that pin plate holes are
aligned with attach holes in boom structure. Install
pin attaching bolts, washers and lockwashers.
7. Shut down machine systems.
8. Connect hydraulic lines running along side of boom.
9. Install boom length/angle sensor box. Adjust boom
length/angle sensor box in accordance with para-
graph 2-30.
10. Using all applicable safety precautions, operate
machine systems and raise and extend boom fully,
noting the performance of the extension cycle. If
chattering is apparent, extend chain system requires
adjustment.
11. Retract and lower boom, noting performance of
retraction cycle. If chattering is apparent, retract
chain system requires adjustment.
12. Shut down machine systems.
13. Adjust extend and retract chain systems as required
and secure adjustment locknuts.
14. As necessary, lubricate all points requiring lubrica-
tion.
2.13 TILT ALARM SWITCH LEVELING
NOTE: Each machine is equipped with a tilt alarm switch,
factory set to activate at 5 degrees, which will illumi-
nate a warning light, sound a warning horn and cut
out 2 Speed Drive. Consult factory for tilt sensor
adjustment. The only field adjustment necessary is
leveling the switch on the spring loaded studs. There
are two methods of adjustment, a manual adjust-
ment and an adjustment using a voltmeter.
PERFORM TILT ALARM SWITCH LEVELING PROCEDURE A MINI-
MUM OF EVERY SIX MONTHS TO ENSURE PROPER OPERATION
AND ADJUSTMENT OF SWITCH.
Manual Adjustment
1. Park the machine on a flat, level surface. Ensure
machine is level and tires are filled to rated pressure.
NOTE: Ensure switch mounting bracket is level and securely
attached.
2. Level the base of the indicator by tightening the
three flange nuts. Tighten each nut through approxi-
mately one half of it’s spring’s travel. DO NOT
ADJUST THE “X” NUT DURING THE REMAINDER
OF THE PROCEDURE.