TM 9-2330-357-14&P
2-13. UNCOUPLING SEMITRAILER.
WARNING
All personnel must stand clear of tractor truck and semitrailer during uncoupling
operation. Failure to follow this warning may result in serious Injury or death to
personnel.
CAUTION
DO NOT use outriggers to support semitrailer during uncoupling operation.
Damage to outriggers may result.
a.
b.
Remove chock blocks (2) from each
stowage bracket (1) and place behind rearmost wheel
(3) on each side of semitrailer.
c.
Close shutoff valves on service and
emergency air lines on tractor truck.
d.
Disconnect service air line from
semitrailer service air coupling (6) and emergency air
line from emergency air coupling (4).
e.
Disconnect intervehicular cable from
connector (5).
TA706429
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