JLG G6-42A Service Manual - Manual (Page 213)

9-49 G6-42A, G9-43A, G10-43A
Electrical System
5. Remove the screws from the cab heater and fan
control panel (5).
6. Pull the control panel out from the panel and
disconnect the variable speed fan control cab
harness connector and disconnect the temperature
cable.
7. Remove the control from the panel.
b. Disassembly
DO NOT disassemble the cab heater and fan controls.
The controls are not serviceable. Replace controls if
found to be defective.
c. Installation and Testing
1. Check that the variable speed fan control is in the
OFF position.
2. Install the temperature control cable to the back of
the control.
3. Install the hex locknut on the shaft and tighten.
4. Connect the cab harness connector to the variable
speed fan control.
5. Install the screws securing the control panel to the
dash panel.
6. Properly connect the battery.
7. Turn the ignition key to the ON position and check
the fan speeds. If further repair is needed, refer to
Section 9.5, “Electrical System Schematics.”
8. Start the machine and allow engine to warm to
operating temperature. Check heat control at
different levels.
9. Close and secure the engine cover.
10. Remove the Do Not Operate Tags from both the
ignition key switch and the steering wheel.
9.11 SOLENOIDS AND SENDERS
9.11.1 Fuel Shut-off Solenoid
a. Fuel Shut-off Solenoid 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 the steering wheel.
3. Open the engine cover. Allow the system fluids to
cool.
4. Properly disconnect the battery.
5. Disconnect the wiring connector at the fuel shut-off
solenoid (6) lead.
6. Remove the fuel shut-off solenoid from the fuel
injector pump.
MY0450
6
JOHN DEERE
MY1620
6
PERKINS