COUPLE TO TRUCK (ALL EXCEPT M917A1 AND M917A1
Ensure that fifth wheel ramps are level with, or are slightly below, the
angle of the pickup ramps.
Use caution when coupling to truck. BE ALERT for per-
sonnel 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.
Be careful not to run king pin up fifth wheel ramps as
this can damage king pin and/or fifth wheel.
Truck and trailer must be aligned.
Use a ground guide if one is available.
PROPER ALIGNMENT WITH
Slowly back tractor under semitrailer king pin plate or gooseneck.
Stop when king pin plate or gooseneck is touching guide ramps. Semitrailer king pin
should be centered as closely as possible in throat of fifth wheel.
Ensure that semitrailer is picked up with fifth wheel ramps. If king pin
comes in too high, it will not engage in fifth wheel correctly. Adjust semitrailer if