JLG G5-18A Service Manual - Manual (Page 140)

Electrical System
9-20 G5-18A, 2505H, 25.5
9.8.2 Rear Window or Roof Wiper Motor
(if equipped)
a. 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, stating that the
machine should not be operated.
3. Open the battery and engine covers. Allow the
engine to cool.
4. Properly disconnect the battery.
5. Remove the wiper arm assembly.
6. Loosen and remove the rear wiper cover.
7. Disconnect the cab harness connectors from the
wiper motor.
8. Remove the wiper motor in question.
Note: Retain all hardware removed from the wiper
assembly for possible reuse on the replacement motor
housing.
b. Disassembly
DO NOT disassemble the motor. The motor is not
serviceable. Replace motor if found to be defective.
c. Inspection and Replacement
Inspect the motor terminals for continuity. Replace motor
if continuity is not found.
d. Installation and Testing
1. Install all required hardware to the motor assembly.
2. Align motor with the mounting holes and bolt the
motor to the proper location.
Note: Align the wiper to ensure wiper stroke covers
window area, and it does not swipe past the glass area.
3. Connect the cab harness connectors to wiper motor
connectors.
4. Install rear wiper cover.
5. Install wiper arm assembly.
6. Properly connect the battery.
7. Turn ignition key switch to the RUN position, and
operate windshield wiper in both LOW and HIGH
speeds to ensure proper operation and that correct
wiper travel is achieved.
8. Install right side defroster hose to the dash panel
hose connector.
9. If previously removed, install hydraulic hoses under
the dash.
10. Install the lower dash panel.
11. Close and secure the battery and engine covers.
12. Remove the Do Not Operate Tags from both the
ignition key and the steering wheel.
9.8.3 Windshield Washer Reservoir
and Pump
The windshield washer motor and reservoir is located in
the dash area as a unit and cannot be serviced
separately.
a. 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, stating that the
machine should not be operated.
3. Open the battery and engine covers. Allow the
engine to cool.
4. Properly disconnect the battery.
5. Remove the nuts and the lockwashers from the
washer mounting studs.
6. Pull the washer reservoir out and away from the
mounting studs.
MY2520