TM 9-2320-260-10
(23) Release parking brake (4).
(24) With semitrailer airbrake hand control lever (2) in ON (lever down) position,
slowly move tractor forward to get positive locking of semitrailer kingpin (6) with fifth
wheel (7).
(25) After ensuring that locking is positive, move gearshift lever (3) in “N” (neutral)
position.
(26) Stop engine (refer to paragraph 2-16) and apply parking brake (4).
(27) Raise trailer landing gear (11).
(28) Remove electrical cable (14) from
hose support and secure connector (13) in
semitrailer receptacle (12).
(29) Move light switch (1) to ON and OFF positions several times.
(30) Check semitrailer running lights (15) for proper operation.
(31) Depress service brake pedal (5).
(32)
(33)
Check semitrailer stoplights (16) for proper operation.
Remove chock blocks.
N O TE
If lights do not operate properly, notify organizational
maintenance.
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