JLG 4013PS Service Manual - Manual (Page 169)

9-29 3508PS, 3509PS, 3512PS, 3513PS, 4008PS, 4009PS, 4012PS, 4013PS, 4017PS, 40.8, 40.9
Electrical System
5. Remove the four screws (7) from the cab heater and
fan control panel.
6. Pull the control panel out from the dash 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 9.7, “Electrical System Schematics.”
8. Start the machine and allow engine to reach
operating temperature. Check heat control at
different levels.
9. Close and secure the engine cover.
10. Remove the Do Not Operate Tag from the ignition
key switch and the steering wheel.
9.14 SWITCHES, SOLENOIDS, SENSORS
AND SENDERS
9.14.1 Transmission Solenoid Valves
If the transmission is not shifting properly, the
transmission control lever, wiring harness or transmission
shift solenoids (8) should be checked in order to
determine which component is defective. Specific
information to determine which travel position and
corresponding component is not responding can be
found in the detailed transmission service instructions are
provided in the Dana-Spicer T12000 Transmission
Repair Manual, P/N 31200163 and can be obtained by
calling your local JLG service distributor.
The transmission should be checked, serviced and
repaired only by experienced service technicians who are
aware of all safety instructions and particular component
features.
Note: Contact the JLG Service Department if internal
transmission repair is required during the warranty
period.
MZ2160
7
MZ0650
8