2-39. M1088 TRACTOR AND TRAILER COUPLING/UNCOUPLING
(6) Start engine (para 2-27a or b).
(7) Adjust side mirrors for best visibility (para 2-26c).
(8) Press R (Reverse) button (11) on WTEC II TEPSS (12) or WTEC III TPSS (12).
Position of assistant must be known at all times. Do not allow
anyone to stand between tractor and trailer, behind trailer, or under
trailer neck during coupling of tractor to trailer. Failure to comply
may result in serious injury or death to personnel.
Steps (9) through (11) require the aid of a ground guide.
(9) Back up slowly and pay close attention to signals of ground guide.