2-21. OPERATE SLIDING FIFTH WHEEL (M915A2).
The M915A2 is designed to be used with M871,
M872, and M1062 semitrailers only. Other semitrail-
ers may cause equipment damage.
Trailer must be blocked and trailer brakes locked to
prevent damage to tractor or trailer by uncontrolled
sliding of fifth wheel.
If towing M872 trailer, rear mud flaps must be
removed and stowed in brackets provided. Failure
to do so will cause equipment damage.
The tractor/trailer combination is not capable of
turning more than a 90° angle.
The M915A2, M916A1, and M916A2 truck tractors
have the capability to turn greater than 90°. Care
must be taken to avoid hitting semitrailer with trac-
tor when turning more than 90°.
Operator must use caution when cresting hills
which cause the truck tractor to have a nose down
angle greater than 4° with respect to towed semi-
trailer. Damage to vehicle or loss of control could
Pull secondary lock
release handle (1) before releasing pri-
mary lock release handle (2) to uncou-
ple the trailer.