TM 9-2320-360-10
b. Trailer Disconnection from HET Tractor
(1) Park HET Tractor.
(2) Set transmission range selector (1) to N (neutral) position.
(3) Pull out PARKING BRAKE control (2) to apply parking brake.
CAUTION
Use wheel chocks when uncoupling trailer.
Trailer may roll
resulting in damage to trailer.
(4) Place two chock blocks in front of outside tires on driver' side front bogie and two chock
blocks behind outside tires on curbside front bogie.
(5) Lower trailer landing gear (TM 9-2330-381-14&P).
(6) Loosen steering wedge adjusting nut (3) one full turn counterclockwise.
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