JLG 4017RS Service Manual - Manual (Page 167)

9-15 3614RS, 4017RS
Electrical System
9.7 WIPER/WASHER WIPER MOTOR
9.7.1 Front Windshield Wiper Motor
a. Removal
1. Park machine on a firm, level surface, level machine, fully
retract boom, lower boom, place transmission in the (N)
NEUTRAL, engage parking 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 battery.
5. Remove front access cover.
6. Disconnect reservoir hose from wiper linkage (3).
7. Remove wiper linkage (4).
8. Loosen and remove hardware (5) holding wiper
assembly mounting bracket to machine.
9. Disconnect electrical harness connectors from the
wiper motor.
10. Loosen and remove hardware holding wiper motor to
mounting bracket.
Note: Retain all hardware removed from wiper assembly for
possible reuse on replacement motor housing.
11. Remove motor from wiper assembly.
b. Disassembly
DO NOT disassemble the motor. The motor is not
serviceable. Replace motor if found to be defective.
c. Inspection and Replacement
Inspect motor terminals for continuity. Replace motor if
continuity is not found.
d. Installation and Testing
1. Align motor with mounting holes and secure motor to
mounting bracket.
2. Connect electrical harness to wiper motor.
3. Secure mounting bracket to machine with
hardware (5) removed earlier.
4. Connect 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.
5. Connect the reservoir hose to wiper linkage.
6. Properly connect battery.
7. Turn ignition key switch to 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 front access cover.
9. Close and secure engine cover.
10. Remove Do Not Operate Tag from ignition key switch
and steering wheel.
MZ8160
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