JLG 4013PS Service Manual - Manual (Page 167)

9-27 3508PS, 3509PS, 3512PS, 3513PS, 4008PS, 4009PS, 4012PS, 4013PS, 4017PS, 40.8, 40.9
Electrical System
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. Properly connect the battery.
6. 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.
7. Install right side defroster hose to the dash panel
hose connector.
8. If previously removed, install hydraulic hoses under
the dash.
9. Install the lower dash panel.
10. Close and secure the engine cover.
11. Remove the Do Not Operate Tag from the ignition
key switch and the steering wheel.
9.12.2 Rear Window 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 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 engine cover. Allow the engine to cool.
4. Properly disconnect the battery.
5. Remove the wiper arm from the wiper motor (5)
shaft.
6. Remove the nut on the wiper motor shaft and on the
wiper motor.
7. From inside the cab, pull the wiper motor away from
the rear window.
8. Pull the cab headliner down in the rear right corner.
Label and disconnect the cab harness connectors
from the wiper motor.
b. Disassembly
DO NOT disassemble the motor. The motor is not
serviceable. Replace motor if found to be defective.
c. Installation and Testing
1. Hold wiper motor up toward cab rear window and
install the cab harness connectors. Refit the
headliner.
2. With the help of an assistant, insert the wiper motor
through the roof hole and have the assistant thread
the hex nuts onto the wiper motor shaft and the
wiper motor. Ensure that the motor housing is facing
the front of the cab.
3. Install the wiper arm onto the wiper motor shaft.
4. Properly connect the battery.
5. Turn ignition key switch to the RUN position and turn
the rear wiper switch to the ON position. Ensure
wiper stays on the window through a full stroke. Turn
the rear wiper switch to the OFF position.
6. Engage the washer switch and ensure washer fluid
is sprayed on the rear window. Turn the ignition key
switch to the OFF position.
7. Close and secure the engine cover.
8. Remove the Do Not Operate Tag from the ignition
key switch and the steering wheel.
MAH0920
5