JLG G6-42A Service Manual - Manual (Page 180)

Electrical System
9-24 G6-42A, G9-43A, G10-43A
9.11 DISPLAY GAUGE AND
DASH SWITCHES
9.11.1 Display Gauge
a. Gauge Removal
1. Park machine on a firm, level surface, level machine,
fully retract boom, lower boom, place transmission
control lever in (N) NEUTRAL, engage park brake
and shut engine OFF.
2. Place a Do Not Operate Tag on both ignition key
switch and steering wheel.
3. Open engine cover. Allow system fluids to cool.
4. Properly disconnect the battery.
5. Remove the screws (11) securing the dash panel.
6. Label and disconnect the wires from the gauge (12),
remove the gauge bracket.
7. Pull the gauge out of dash panel.
b. Disassembly
DO NOT disassemble the gauge. The gauge is not
serviceable. Replace the gauge if found to be defective.
c. Gauge Installation and Testing
1. Install the gauge (12) into the dash panel. Install
gauge bracket.
2. Connect previously labeled wires to the gauge.
3. Install panel with previously used hardware (11).
4. Properly connect the battery.
5. Turn ignition to ON position to check gauge values.
6. Close and secure the engine cover.
7. Remove the Do Not Operate Tags from both the
ignition key switch and the steering wheel.
9.11.2 Ignition Key Switch
a. Ignition Switch Removal
1. Park machine on a firm, level surface, level machine,
fully retract boom, lower boom, place transmission
control lever in (N) NEUTRAL, engage park brake
and shut engine OFF.
2. Place a Do Not Operate Tag on both ignition key
switch and steering wheel.
3. Open engine cover. Allow system fluids to cool.
4. Properly disconnect the battery.
5. Remove the screws securing the dash panel (13).
6. Remove hex nut securing ignition key switch (14) to
the dash.
7. Label and disconnect the ignition switch wires and
remove the switch from the machine.
MY8260
11 12
250
150 50
E F
1/2
1 3
2 4
P
P
MY8270
13
14