TM 9-2330-357-14&P
2-10. COUPLING SEMITRAILER.
WARNING
All personnel must stand clear of tractor truck
and semitrailer during coupling operation. Fail-
ure to follow this warning may result in serious
Injury or death to personnel.
NOTE
Perform all Before PMCS prior to performing
the tasks listed below. PMCS is an Integral part
of preparation for use.
a.
Remove chock blocks (2) from each
stow-age bracket (1) and place behind rearmost wheel
(3) on each side of semitrailer.
b.
Aline tractor truck with semitrailer and slowly back tractor truck so that fifth wheel kingpin (4)
alines withcoupler jaws (7).
CAUTION
DO NOT use outriggers to adjust height of semitrailer. Damage to outriggers may
result during coupling operation.
c. Ensure that fifth wheel kingpin plate (5) is above approach ramps (6). Adjust height as necessary using
landing gear.
d. Slowly back tractor truck until coupler jaws (7) engage fifth wheel kingpin (4) and lock.
e.
Remove chock blocks (2) from behind rearmost wheels (3) and stow in stowage brackets (1).
f.
Ensure that coupling is secure by inching tractor truck forward. If coupling is not locked, slowly
rock tractor truck back and forth until fifth wheel kingpin (4) is locked in coupler jaws (7).
TA706422
2-14