SkyTrak 8042 Service Manual - Manual (Page 806)

9.215 Model 8042, 10042, 10054 Legacy Rev. 10/03
Electrical System
3. Have an assistant insert gasket (15), panto adapter
(14) onto to the motor shaft (7). Insert bolts (13)
through front cab holes and thread into motor
housing. Tighten bolts.
4. Install metal washer (12) and metal hex jam nut (11).
Tighten metal hex jam nut. Install rubber cap (10)
and knurled driver (9) onto the motor shaft.
Note: Align the wiper blade 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. Install wiper blade arm (21) at 90° (22) from the
motor shaft flat (23).
6. Install internal-tooth lockwasher (6), 1/4" (5) and
3/8" (4) acorn nuts, and tighten.
7. Connect the cab harness connectors to windshield
wiper motor connectors.
8. If the vehicle has one battery, connect the
negative (-) battery cable to the negative (-) battery
terminal (1).
If the vehicle has dual batteries, connect both
negative battery cables to both negative (-) battery
terminals (2).
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. Install right side defroster hose to the dash panel
hose connector.
11. If previously removed, install hydraulic hoses under
the dash. (Refer to Section 4.3.3, “Steering Column/
Valve Replacement.”)
12. Install the top right dash panel and lower dash panel.
9.12.3 Skylight Wiper Switch
Figure 9-3 Skylight Wiper Switch Location
The skylight wiper switch (24) is supplied on
enclosed cab models only. The skylight wiper
switch is located on the dash to the right of the
steering column and is pressed or “snapped”
into a rectangular switch bezel. It is a three-position
switch providing OFF (upper), center (not used) and
lower (one speed) positions.
a. Removal
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. Carefully pry the skylight wiper switch (24), bezel
and wiring out of the mounting hole.
3. Disconnect the skylight wiper switch from the cab
harness connector.
b. Disassembly
DO NOT disassemble the switch. The switch is not
serviceable. Replace switch if found to be defective.
c. Cleaning and Drying
Without submerging the switch, clean the switch with an
approved solvent and dry with a clean, lint-free cloth.
d. Inspection and Replacement
1. Inspect the switch terminals for continuity with the
switch in the OFF and ON positions. (Refer to
Section 9.7.45, “Skylight Wiper Circuit and
Troubleshooting (Option).”)
2. Replace the switch if it fails any of the tests in Step 1.
MA8450
90°
19
20
21
22
23
OH18502
24
OH19002