10
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Part Identification – Bottom View
Air
Cylinder
Main
Spring
Knockout rod
Serial Number
Three way
air valve
Knockout rod nut
Stationary
Jaw
Tertiary lock
(for use outside
private yard)
Cover Plate
Secondary
Lock
Manual Overide
Pull Handle Hole.
Also used for
tertiary locking.
Operating Handle
Torsion Spring
Wear Plate
Trigger
Locking Jaw
(Behind air cylinder)
28th fifth wheel
manufactured in
September, 2014
Month
Sequence of
Month Above
Year
Example serial number
09140028
