TM 9-2330-227-14&P
S e c t i o n III. OPERATION UNDER USUAL CONDITIONS
Page
Page
Preparation for Use . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
After Use . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
PREPARATION FOR USE
Perform the operator/crew preventive maintenance checks and services in the "Before" column before
doing the procedures below.
COUPLING TRUCK TRACTOR AND SEMITRAILER
WARNING
All persons not involved in coupling operation must stand clear of truck tractor and
semitrailer to prevent possible injury.
1.
Line up truck tractor with semitrailer.
Review and perform truck tractor operating procedures to prepare truck tractor for coupling.
2.
Slowly back truck tractor into position. Be sure kingpin (1) is in line with fifth wheel
3.
jaws (2).
Before fifth wheel approach ramps (3) make contact with bolster plate (4), do the following:
4.
Check that bolster plate (4) is above approach ramps (3).
a.
Adjust kingpin (1) height as needed by raising landing gear (5) (page 2-20), or lowering
b.
Make sure fifth wheel jaws (2) are open.
c.
d.
e.
hooks (10).
f.
Connect service air line (11) to right semitrailer couplings (8).
Connect emergency air line (12) to left semitrailer couplings (9).
g.
h.
Check air lines (11) and (12) and electrical cable (13) to be sure they are
supported and will not catch or chafe.
i.
Check air reservoir to make sure draincock is closed (page 2-13).
Turn on truck tractor air supply; see Operator's Manual for towing vehicle.
j.
Apply semitrailer brakes from towing vehicle; see Operator's Manual for towing vehicle.
k.
5. Slowly back truck tractor until fifth wheel jaws (2) engage kingpin (1).
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