JLG 534D-10 - Manual (Page 79)

4.5 534D-9, 534D-10 & 544D
Cab and Covers
4.3.3 Throttle Pedal
a. Throttle Pedal Removal
1. Park the machine on a firm, level surface, level the
machine, fully retract the boom, lower the boom,
place the travel select lever in the (N) NEUTRAL
position, engage the parking brake and turn 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. Disconnect the battery negative (-) cable at the
battery negative (-) terminal.
4. Remove belly pan from under cab and unplug
throttle electrical connection (1) under cab floor.
5. Remove the four bolts holding the throttle pedal
assembly to the cab floor.
6. Remove the throttle pedal assembly from the cab.
b. Throttle Pedal Installation
1. Position and secure the throttle pedal in its mounting
location on the cab floor.
2. Reconnect the throttle cable connection.
3. Replace the belly pan under the cab.
4. Connect the battery negative (-) cable to the battery
negative (-) terminal.
5. Check the engine rpm at high idle. If the rpm is not
2400 +/- 50 rpm (534D-9), 2500 +/- 50 rpm (534D-
10) or 2200 +/- 50 rpm (544D) contact your JLG
dealer.
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.
6. Close and secure the engine cover.
4.3.4 Boom Joystick Assembly
a. Boom Joystick Assembly Removal
1. Park the machine on a firm, level surface, level the
machine, fully retract the boom, lower the boom,
place the travel select lever in the (N) NEUTRAL
position, engage the parking brake and turn 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. Disconnect the battery negative (-) cable at the
battery negative (-) terminal.
4. Remove the four bolts holding the cover (2) below
the joystick and remove the cover.
5. Lift the joysticks rubber sleeve, remove the bolts
securing the boom joystick to the cab (3).
6. Lift the boom joystick from its mounting position.
7. Label, disconnect and cap all hydraulic hoses
attached to the boom joystick. Cap all fittings and
openings to keep dirt & debris from entering the
hydraulic system.
Note: If equipped with the optional on joystick tilt
feature, disconnect the electrical connector along with
the hydraulic hoses.
8. Remove the boom joystick assembly.
b. Boom Joystick Assembly Installation
1. Uncap and connect the previously labeled hydraulic
hoses to their appropriate locations.
Note: If equipped with the optional on joystick tilt
feature, connect the electrical connector to its proper
location at this time.
MX0790
1
MX0800
3
2