User Manual

Table Of Contents
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.
WARNING
Do not attempt to slide the fifth wheel
until
all persons and obstacles are
clear of the vehicle.
NOTE
This procedure assumes a connected
trailer
. The trailer kingpin must be
locked within the fifth wheel when
changing slide positions.
1. Position the tractor and trailer in a
straight line on firm, level ground.
2.
Place the tractor in neutral, and set
the tractor and trailer parking
brakes.
3. Unlock the slide by repositioning
the Fifth Wheel Slide switch.
CAUTION
Ensure the tractor and trailer brakes
are
engaged prior to sliding the fifth
wheel. Failure to engage the brakes
could result in uncontrolled sliding of
the fifth wheel and possibly damage
components on the tractor or trailer.
Fifth Wheel Slide Symbol
4. Inspect and verify that locking
plungers have fully withdrawn from
the fifth wheel slide tracks.
a.
If locking plungers did not fully
withdraw, move tractor slightly
to reposition plungers and
reinspect.
b. If plungers are still not fully
withdrawn, lower the landing
gear and deflate the rear
suspension (if available) to
lessen pressure on the slide.
Suspension Dump Symbol
5. Release the tractor parking brake,
but keep the trailer brakes
engaged.
6.
Slowly ease tractor forward or
backward, and stop at the desired
position.
7. Lock the slide by returning the Fifth
Wheel Slide switch to its previous
position.
8. Inspect and verify that the locking
plungers are fully inserted into the
fifth wheel slide tracks.
a. If the locking plungers are not
fully inserted in the track,
move the tractor slightly to
reposition plungers and
reinspect.
DRIVING - Fifth Wheel
160 Y53-6113-1A1 (11/20)
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