JLG 4013PS Service Manual - Manual (Page 67)

4-5 3508PS, 3509PS, 3512PS, 3513PS, 4008PS, 4009PS, 4012PS, 4013PS, 4017PS, 40.8, 40.9
Cab and Covers
6. Remove the throttle pedal return spring (6).
7. Disconnect the throttle control cable (7) from the
throttle lever.
8. Remove the retaining ring from the throttle pedal
pivot pin. Slide the throttle pedal, bushings and
washers off the pivot pin.
9. Remove the throttle pedal assembly from the cab.
10. If a new throttle cable is required, remove the cable
connector from the engine. Route the cable through
the bottom of the cab and remove from the machine.
Note the routing path for installation.
b. Throttle Pedal Installation
1. If required, install a new throttle cable to the engine
connection and route cable to cab following the
previous routing path.
2. Slide the throttle pedal, bushings and washers onto
the throttle pedal pivot pin. Secure with retaining
ring.
3. Connect the throttle control cable to the throttle
lever.
4. Install the throttle pedal return spring.
5. Properly connect the battery.
c. Throttle Adjustment
1. Adjust the distance on each end of the throttle cable
from the locknut to the connector end. The distance
from the connector to the locknut in the cab should
be 129 mm (5 in). In the engine compartment, the
distance should be 234 mm (9.2 in).
Note: These measurements are to be used as starting
points. If further adjustment is required, the distance may
need to be altered.
2. From within the cab, check the engine rpm at low
idle. If the rpm is not 925 ±50 rpm, readjust the
throttle cable adjustments.
3. Check the engine rpm at full throttle. If the rpm is not
2340 ±50 rpm, adjust the rubber-stop screw on the
throttle pedal or the throttle cable adjustments.
Note: During the full throttle check:
• DO NOT operate any hydraulic function.
• DO NOT steer or apply any pressure to the
steering wheel.
• Keep the transmission in (N) NEUTRAL.
4. Close and secure the engine cover.
5. Remove the Do Not Operate Tags from both the
ignition key switch and the steering wheel.
4.3.4 Joystick Assembly Replacement
a. Joystick Assembly Removal
1. Park the machine on a firm, level surface, level the
machine, 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 steering wheel, stating that the machine
should not be operated.
3. Open the engine cover. Allow the engine to cool.
4. Properly disconnect the battery.
5. Remove the capscrews securing the bottom cover
(8). Disconnect the electrical connections and
remove the four self-tapping screws from the bottom
of the joystick assembly.
6. Remove the joystick assembly (9).
MZ1970
6
7
MZ2030
8
9