SERVICE
Service - 32
Wiper Blade Replacement
The wiper blade should be
A
replaced on a yearly basis, or
sooner if the blade does not clean
the windshield effectively.
1. Remove the nut (A) and bolt
that fasten the wiper blade to
the wiper arm.
2. Install new wiper blade and
reinstall the nut and bolt.
Windshield Washer Nozzle Adjustment
If necessary, adjust the spray
A
nozzles on the wiper arm. There are
four nozzles (A) on the wiper arm.
Check to make sure the two lower
nozzles are spraying straight in, per-
pendicular to the glass. The two upper
nozzles should be adjusted so the
washer fluid wets the windshield at the
top edge of the wiper blade. The
nozzles have a slot for making adjust-
ments using a flat blade screwdriver.
Adjustment slot
aligns with spray
nozzle direction
Adjustment
slots
Changing the Strobe Light Flasher Mode
1. Remove the roof from the top of the cab.
2. Locate the wires from the strobe light where they
connect to the main wire harness. The yellow
wire is used to cycle the strobe light modes.
3. Turn the power unit key switch to the On posi-
tion to allow power to the cab.
4. Turn the strobe light switch to the on position.
5. Insert the bare end of the yellow wire into the back
of the terminal on the red power supply wire. Each
time you touch the yellow wire against the red
wire, the strobe will change modes.
6.
When the desired mode is reached, turn off the
strobe light, turn the power unit key to the Off
position, and replace the cab roof.
Strobe Light Pin Lubrication
Apply a thin film of grease to the
A
pin (A) on the spring latch arm
every 50 hours of operation.
Heater Air Filter Replacement
The heater air intake filter should be replaced on a
yearly basis, or sooner if operating in dusty conditions.
1. Remove the two thumb screws (A) holding the
filter cover (B) onto the cab.
2.
A
B
Remove the air filter (C) from the cab air intake
vent and insert the replacement filter.
3.
C
Reinstall the filter cover and thumb screws.
