Air Slide Operation
The slide feature may be operated with a dash-
mounted air-slide switch that operates an air cylinder
that locks and unlocks the slide. See
Fig. 17.14.
1.
Set the air-slide switch to SLIDE. See Fig. 17.14
Ensure the locking plungers have released. See
Fig. 17.15.
For Jost fifth wheels, the mechanism activates as
shown in
Fig. 17.16.
2.
Lower the trailer landing gear just enough to re-
move the weight from the vehicle.
3.
Pull the red trailer air supply knob to set the
trailer parking brakes.
4.
Slowly move the vehicle forward or backward
until the fifth wheel is in the desired location.
NOTICE
Ensure the trailer landing gear does not come in
contact with the vehicle frame or other compo-
nents, and that the front of the trailer will not
come in contact with the rear of the cab or other
components if they extend beyond the rear of the
cab.
5.
Apply the vehicle parking brake.
WARNING
Check that the locking wedges have seated in the
slots. Failure to achieve complete lockup may
allow disengagement of the tractor from the
trailer, possibly resulting in serious personal in-
jury or death.
02/22/2011
f611114
Fig. 17.14, Air-Slide Switch
07/25/95
f310189
1
2
1. Locking Wedge 2. Air Cylinder
Fig. 17.15, Air-Operated Sliding Fifth Wheel, Fontaine
09/10/2010 f311131
A
B
A. Unlocked B. Locked
Fig. 17.16, Jost Sliding Fifth Wheel
Fifth Wheels
17.9
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