JLG G12-55A Service Manual - Manual (Page 164)

Electrical System
9-22 G10-55A, G12-55A
9.11.2 Dash Switches
a. 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 batteries.
5. Each switch (16) is mounted in dash panel (17).
6. Pull switch out of dash panel and disconnect
harness connector to switch in question.
b. Disassembly
DO NOT disassemble dash panel switch. Replace a
defective switch with a new part.
c. Inspection and Replacement
Inspect the switch terminals for continuity and shorting in
both the engaged and disengaged positions. Replace a
defective or faulty switch with a new switch.
d. Switch Installation
1. Connect the switch to the cab harness connector.
2. Position the switch over the rectangular opening in
the dash and snap into position.
3. Properly connect the batteries.
4. Start the machine and check the replaced switch for
proper function.
5. Close and secure the engine cover.
6. Remove the Do Not Operate Tags from both the
ignition key switch and the steering wheel.
MAL1380
17
16