Electrical System
9-24
31211015 6036, 6042, 8042, 10042, 10054
12. Remove the metal hex jam nut and metal washer from
the motor shaft.
13. Remove the motor mounting bolts, pan adapter and
gasket from the motor shaft.
Note: Retain all hardware removed from the wiper assembly
for possible reuse on the replacement motor housing.
14. 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.
Align spacer and wiper motor bracket, and apply
masking tape in order to hold the two components
together during installation.
2. Align motor with the mounting holes and insert motor
through cab.
3. Have an assistant insert gasket, panto adapter onto the
motor shaft. Insert bolts through front cab holes and
thread into motor housing. Tighten bolts.
4. Install metal washer and metal hex jam nut. Tighten
metal hex jam nut. Install rubber cap and knurled driver
onto the motor shaft.
Note: Align the wiper blade arm with the hex jam nut. Tighten
shaft to ensure wiper stroke covers window area, and it does
not swipe past the glass area.
5. Install wiper blade arm at 90° from the motor shaft flat.
6. Connect the cab harness connectors to windshield
wiper motor connectors.
7. Properly connect the battery. Refer Section 9.8,
“Battery”, for procedure.
8. Remove the Do Not Operate Tags from both the ignition
key switch and the steering wheel.
9. 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.
10. If previously removed, install hydraulic hoses under the
dash. Refer to Section 4.3.2, “Steering Column and
Steering Valve”.
11. Install the previously removed dash panels.
12. Close and secure the engine rear and side engine doors.
9.10.2 Skylight Wiper Motor
a. Removal
1. Park the machine on a firm, level surface, level the
machine, fully retract the boom, lower the boom, place
the transmission 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 rear side door of the engine. Allow the system
fluids to cool.
4. Properly disconnect the battery. Refer Section 9.8,
“Battery”, for procedure.
5. Remove the wiper arm (5) from the wiper motor shaft.
6. Disconnect the washer hose from the top hose fitting.
7. From inside the cab, remove screws from top locknut
plate.
To Next Page
