freightliner Cargo - Page 111

1
2
3
4
A
11/07/94
f310106a
1
2
3
4
B
DC
A. Locks open.
B. Locks closed.
C. Kingpin correctly entering the lock. Note how the depressed tongue allows lock halves to close completely around the
neck and shoulder of the kingpin.
D. Kingpin incorrectly entering the lock. Note how the steel tongue prevents lock halves from closing, preventing false
lockup.
1. Fifth Wheel Plate
2. Trailer
3. Kingpin
4. Lockguard
Fig. 11.3, Lockguard Mechanism (rear view)
Fifth Wheels
11.4