2-24. UNCOUPLE FROM TRUCK (ALL EXCEPT M917A1 AND
Use caution when uncoupling from truck. BE ALERT for
personnel in area. Ensure that hands, arms, and body
are clear of potential pinch points. Failure to follow this
warning may result in injury to personnel.
Truck and trailer must be aligned.
Use ground guide if one is available.
Stop truck and trailer.
Shift transmission into Park (P) (paragraph 2-15).
Block wheels as required.
Pull trailer air supply valve OUT.
Apply parking brake (paragraph 2-2).
Place float pads under semitrailer landing gear and lower landing
Set trailer hand brake control valve and close trailer air supply valve.
Disconnect and stow trailer air supply lines and intervehicular cable.