JLG G5-18A Service Manual - Manual (Page 119)

9.19 G5-18A/2505
Electrical System
9.9 WINDOW WIPER/WASHER
9.9.1 Windshield Wiper Motor
a. Removal
Note: It may be necessary to remove several hydraulic
hoses from under the dash in order to remove and install
the wiper motor housing.
1. Open the battery cover.
2. Disconnect the battery negative (-) cable at the
battery negative (-) terminal.
3. Remove the lower access panel below the
instrument panel.
4. Disconnect the right side defroster hose from dash
panel hose connector.
5. Disconnect the cab harness connectors from the
wiper motor.
6. Remove the linkage attached to the wiper motor.
7. Loosen and remove the four bolts holding the wiper
motor to the mounting bracket.
Note: Retain all hardware removed from the wiper
assembly for possible reuse on the replacement motor
housing.
8. Remove the motor from the inside of the cab.
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 mounting bracket.
3. Connect the wiper linkage to the wiper motor shaft.
Note: Align the wiper linkage arm with the flat on the
motor shaft to ensure wiper stroke covers window area,
and it does not swipe past the glass area.
4. Connect the cab harness connectors to windshield
wiper motor connectors.
5. Connect the negative (-) battery cable to the battery
negative (-) terminal.
6. Close and secure the engine cover.
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 cover.
9.9.2 Rear Window or Roof Wiper Motor
(if equipped)
a. Removal
1. Open the battery cover.
2. Disconnect the battery negative (-) cable at the
battery negative (-) terminal.
3. Remove the wiper arm assembly.
4. Loosen and remove the rear wiper cover.
5. Disconnect the cab harness connectors from the
wiper motor.
6. 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.
MY2220