SkyTrak 8042 Service Manual - Manual (Page 805)

Electrical System
9.214 Model 8042, 10042, 10054 Legacy Rev. 10/03
9.12.2 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. (Refer to Section 4.3.3,
“Steering Column/Valve Replacement.”)
1. If the vehicle has one battery, disconnect the
negative (-) battery cable at the negative (-) battery
terminal (1).
If the vehicle has dual batteries, disconnect both
negative battery cables from both negative (-) battery
terminals (2).
2. Remove the right side instrument panel.
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 (3).
6. From the outside and front of the cab, remove the
windshield wiper blade arm nuts (4 and 5) and
washer (6) from the motor shaft (7).
7. Disconnect the washer hose (19) from hose
connector (20).
8. Remove the wiper arms (8), knurled driver (9) and
rubber cap (10) from the motor shaft (7).
9. Remove the metal hex jam nut (11) and metal
washer (12) from the motor shaft.
10. Remove the motor mounting bolts (13), panto adapter
(14) and gasket (15) from the motor shaft.
Note: Retain all hardware removed from the wiper
assembly for possible reuse on the replacement motor
housing.
11. Remove the motor (3) 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. Cleaning and Drying
Without submerging the motor, clean the motor with an
approved solvent and dry with a clean, lint-free cloth.
d. Inspection and Replacement
Inspect the motor terminals for continuity. Replace motor
if continuity is not found. (Refer to Section 9.7.44, “Front
Windshield Wiper Circuit and Troubleshooting (Option).”)
e. Installation and Testing
Note: An assistant will be required for the installation of
the windshield motor.
1. Install all required hardware to the motor assembly.
Align spacer (16) and wiper motor bracket, (17) and
apply masking tape (18) in order to hold the two
components together during installation.
2. Align motor (3) with cab mounting holes and insert
motor through cab.
MH4890
1
2
1
MA8430
3
4
5
6
7
8
9
10
11
12
13
14
15
MA8440
16
17
18