When the suspension dump switch is pressed, the
LED in the switch blinks while the suspension de-
flates or fills. When the suspension is completely de-
flated or filled, the LED illuminates steadily.
If the ignition is turned off while the vehicle is in
dump mode, the power to the dump solenoid is cut
off to prevent battery drain and the suspension sys-
tem will autofill. The suspension will also autofill if the
vehicle is operated with the suspension dumped at a
speed over 5 mph.
Climate Controls
NOTE: See Chapter 7 for detailed climate con-
trol panel operating instructions.
The climate control panel without air conditioning is
shown in
Fig. 5.34. The climate control panel with air
conditioning is shown in Fig. 5.35.
The fan switch controls the fan speed and forces
fresh or recirculated air through the air outlets.
The air selection switch allows you to control the flow
of air through the face outlets, the floor outlets, the
defrost (windshield) outlets, or a combination of
these outlets.
The temperature control switch is used to select the
desired temperature.
The optional recirculation button minimizes the
amount of outside air entering the cab. It may be
used in dusty or smoky conditions, or when there is
a large difference between the outside air tempera-
ture and the desired cab temperature. When the re-
circulation mode is on, the recirculation indicator will
illuminate.
Seat Controls
NOTE: See Chapter 6 for detailed information
about seat controls and adjustments.
WARNING
Keep hands, tools, and other objects away from
the scissor points under the seats. Failure to do
so could cause personal injury.
The following is a description of adjustments that can
be made to various seats. Not all seats have all of
the adjustments listed below. See
Fig. 5.36.
10/26/2001
f610597
Fig. 5.33, Suspension Dump Switch
2
3
1
4
0
1
23
f831452a
06/17/2003
1. Fan Switch 2. Air Selection Switch 3. Temperature Control Switch
Fig. 5.34, Climate Control Panel Without Air Conditioning
Driver Controls
5.14
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