OPERATE SLIDING FIFTH WHEEL (Con't).
Do not operate vehicle if slide locking plungers are not fully engaged
and landing gear is not fully retracted. This could result in damage to
tractor, semitrailer, and landing gear.
Visually check that two slide locking plungers (3) are retracted and fully engaged.
It may be necessary to leave semitrailer brakes locked and move tractor slightly to engage
plungers in rack teeth (2).
If lowered, raise landing gear to fully retracted position.
COUPLE TO SEMITRAILER.
Do not use semitrailer handbrake as primary brake to keep tension on
coupling system. This will cause undue tension on brakes and
coupling which could result in injury to personnel or damage to
equipment. Prevent problems with slack in fifth wheel by using good
braking habits and adjusting coupling and braking systems properly.
If towing M872 semitrailer, rear mud flaps must be removed and
stowed. Failure to follow this caution may result in equipment damage.
Ensure that fifth wheel ramps are level with, or are slightly below, the angle of the
Use caution when coupling to semitrailer. 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.