TM 9-2330-371-14&P
PREPARATION FOR USE - CONTINUED
Coupling Truck Tractor and Semitrailer Continued
1. Aline truck tractor with semitrailer.
2. Review and perform truck tractor operating procedures to prepare truck tractor for
coupling.
3. Slowly back truck tractor into position. Be sure kingpin (1) is on line with fifth
wheel jaws (2).
4. Before fifth wheel approach ramps (3) make contact with kingpin plate, do the
following:
a. Check that kingpin plate (4) is above approach ramps (3).
b. Adjust kingpin (1) height as needed by raising or lowering landing gear.
c. Make sure fifth wheel jaws (2) are open.
5. Slowly back truck tractor until fifth wheel jaws (2) engage kingpin (1).
6. Visually check coupling.
a. There must be no daylight between kingpin plate (4) and fifth wheel (5).
b. Kingpin (1) must not be hooked over front of fifth wheel (5).
TA224193
2-14
