PART 4: CONTROLS AND DISPLAYS
PB1319 (CAT. NO. 5296 ) —25— 22-01691 (R02/02)
Air Suspension Deflate Switch (Dump Valve)
If your vehicle is a tractor with a rear air suspension, it may have an
air suspension deflation switch on the dash that allows the air in the
suspension to be exhausted. The purpose of this feature is to allow
you to lower your tractor to get under a trailer.
You will notice a guard over the switch. This prevents you from acci-
dentally deflating the suspension.
Engine Fan Switch
The engine fan switch allows you to control the engine fan manually
or automatically. With the ignition key switch ON and the fan switch in
the ON position, the engine fan will be on regardless of engine tem-
perature. With the engine fan switch in the AUTOMATIC position, the
WARNING! Operating the Air Suspension Deflate
Switch (Dump Valve) while driving can lead to an acci-
dent. Sudden deflation while your vehicle is moving
can affect handling and control. Use this switch only
when your vehicle is not moving.
CAUTION: Operating a vehicle with air suspension
bags either overinflated or underinflated may cause
damage to driveline components. If a vehicle must be
operated under such conditions, do not exceed 5 mph.
AIR SUSPENSION
03035
1
0
03023
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