6.
Set the air-slide switch to LOCK. Visually inspect
the locking wedges or plungers to make sure
that they are fully inserted in the slide rail slots.
Verify that the plungers have engaged by tugging
the tractor forward while the trailer brakes are
locked and the wheels are chocked.
NOTE: The fifth wheel may need to be moved
slightly to enable the locking wedges to fully
lock.
09/10/2010 f311131
A
B
A. Unlocked B. Locked
Fig. 20.16, Jost Sliding Fifth Wheel
Fifth Wheels
20.9
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