Engine, Overspeed Air Shutdown
(Test)
Hold down switch and increase engine
RPM to test that Engine Overspeed Air
Shutdown system functions correctly. A
system reset will be required before
restarting engine. See EOAS system
manufacturer's instruction manual for
details.
Exhaust, Diesel Particulate Filter
(DPF) Regeneration
Manually controls the diesel particulate
filter (DPF) regeneration process. Refer to
Engine Aftertreatment Controls Operator's
Manual for additional information.
Fifth Wheel Slide
Turn switch on to unlock Fifth Wheel Slide
mechanism. The switch is guarded to
protect you from accidentally activating or
releasing the lock.
WARNING
DO NOT move the fifth wheel while
the tractor-trailer is in motion. Your
load could shift suddenly, causing you
to lose control of the vehicle. Never
operate the vehicle with the switch in
the UNLOCK position. Always inspect
the fifth wheel after you lock the switch
to be sure the fifth wheel slide lock is
engaged. Failure to comply may result
in death, personal injury, equipment or
property damage.
NOTE
Vehicles having an air slide fifth wheel
have a fifth wheel slider lock controlled
by a switch on the instrument panel.
By placing the switch in the unlock po-
sition you can slide the fifth wheel to
various positions to adjust weight dis-
tribution.
Fuel Heater
Turn switch on to activate Fuel Heater.
Generic Air, Accessory
Provides accessory air to the end of the
frame connection when switch is turned on.
NOTE
The generic air accessory switch is de-
signed by the original equipment man-
ufacturer to reset when the ignition
power is turned off. When ignition is
turned off, this circuit will exhaust air
pressure.
CONTROLS - Dash Switches
Y53-6076-1D1 (09/20) 91
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