JLG 534D-10 - Manual (Page 159)

9.11 534D-9, 534D-10 & 544D
Electrical System
9.8 WINDSHIELD WIPER MOTOR
(IF EQUIPPED)
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. (Refer to Section 4.3.1,
“Steering Column and Orbitrol Valve.”)
1. Remove the battery negative (-) cable at the negative
battery (-) terminal.
2. Disconnect the cab harness connector (1) from the
wiper motor.
3. Remove the wiper assembly (2).
4. Loosen and remove the two bolts (3) 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.
5. 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. Align motor with the mounting holes and bolt the
motor to the mounting bracket.
2. Connect the cab harness connector to windshield
wiper motor connector.
3. Connect the negative (-) battery cable to the negative
(-) battery terminal.
4. 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.
5. Install the wiper assembly.
Note: Align the wiper blade with the left side of the cab
windshield to ensure wiper stroke covers window area,
and it does not swipe past the glass area.
6. If previously removed, install hydraulic hoses under
the dash. (Refer to Section 4.3.1, “Steering Column
and Orbitrol Valve.”)
9.8.1 Windshield Washer Reservoir and
Pump
The windshield washer motor and reservoir is located in
the cab compartment as a unit and cannot be serviced
separately.
a. Removal
1. Remove the battery negative (-) cable at the negative
battery (-) terminal.
2. Remove the nuts and the lock washers from the
washer mounting bolts.
3. Pull the washer reservoir out and away from the
mounting bracket.
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