Specifications

CONTROLS AND DISPLAY DASH- AND DOOR-MOUNTED FEATURES
Medium Duty
(R05/09) Y53-6008A – 61 –
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 position, you can slide
the fifth wheel to various positions to adjust weight distri-
bution. There is a guard over this switch to protect you
against accidentally activating or releasing the lock.
Parking Brake Valve and Trailer Air Supply
Valve
Before you leave the cab, apply all parking brakes.
- for vehicles with air brakes:
1. Apply all parking brakes. Pull out the
Yellow Parking
Brake Control knob (1) located on the dash. In trac-
tors, the Red (octagon-shaped) Trailer Air Supply
Control knob (2) will automatically pop out.
WARNING! Do not leave the cab without
applying the parking brake. The truck could
roll and cause an injury accident. Always
apply the parking brake before you leave the
cab.
Full Truck Parking Brake Valve
PARKING
BRAKE
PULL
TO APPLY
PUSH TO
RELEASE
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