TM 9-2320-363-10
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
occur.
a.
Pull secondary lock
release handle (1) before releasing pri-
mary lock release handle (2) to uncou-
ple the trailer.
2-98
