JLG 4017PS Service Manual - Manual (Page 87)

4-3 3706PS, 3707PS, 4014PS, 4017PS, 33.7, 37.6, 37.7
Cab and Covers
4.2 OPERATOR CAB
4.2.1 Operator Cab Safety
Refer to the appropriate parts manual for ordering
information.
4.2.2 Serial Number Plate
The cab serial number plate is located on the left side of
the cab, below the seat. Information specified on the
serial number plate includes the cab model number, the
cab serial number and other data. Write this information
down in a convenient location to use in cab
correspondence.
4.3 CAB COMPONENTS
4.3.1 Steering Wheel
a. Steering Wheel Removal
1. Park the machine on a firm, level surface, fully
retract the boom, lower the boom, place the
transmission control lever in (N) NEUTRAL, engage
the park brake and shut the engine OFF.
2. Place a Do Not Operate Tag on both the ignition key
switch and the steering wheel.
3. Open the engine covers. Allow the system fluids to
cool.
4. Properly disconnect the battery.
5. Carefully pry the center button (1) out of the steering
wheel.
6. Mark the steering wheel and shaft to ensure proper
installation. Remove the nut (2) securing the steering
wheel (3) to the splined steering column shaft.
7. Use a steering wheel puller to remove the steering
wheel (3) from the splined shaft.
b. Steering Wheel Installation
1. Install the steering wheel (3) onto the splined
steering column shaft.
2. Secure the steering wheel with the nut (2).
3. Press the center button (1) onto the steering wheel.
4. Properly disconnect the battery.
5. Close and secure the engine covers.
6. Remove the Do Not Operate Tag from the ignition
key switch and the steering wheel.
WARNING
DO NOT service the machine without following all
safety precautions as outlined in the “Safety Practices”
section of this manual.
WARNING
The protection offered by this ROPS/FOPS will be
impaired if subjected to any modification or structural
damage, at which time replacement is necessary.
ROPS/FOPS must be properly installed using
fasteners of correct size, grade, and torqued to their
specified value.
WARNING
DO NOT weld, grind, drill, repair or modify the cab in
any way. Any modification or damage to cab structural
components requires cab replacement.
MAH0430
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