TM 9-2330-246-14
Section lll. OPERATION UNDER USUAL CONDITIONS
Page
Number
Paragraph Title
Coupling Semitrailer to Towing Vehicle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Installing Ladders . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operating Air Conditioner (M348A2H) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operating Air Conditioner (M373A2D) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operating Air Conditioner (M373A3, M373A4, and M373A5) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operating Fire Extinguisher (M348A2G, M348A2H, M348A2K, and M348A2N) . . . . . . . . . . . . . . . . . . . . . . .
Operating Heater (M373A2D and M373A5) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operating Landing Gear . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Operating Leveling Jack . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Preparing Semitrailer for Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Uncoupling Semitrailer From Towing Vehicle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2-9.
GENERAL.
This section contains instructions for safely operating the semitrailers under usual conditions. Unusual
operating conditions are defined and described infection lV of this chapter.
2-10. COUPLING SEMITRAILER TO TOWING VEHICLE.
WARNING
All personnel must stand clear of towing vehicle and semitrailer during coupling
operation. Failure to follow this warning may result in serious injury or death t o
personnel.
NOTE
M373A2 Is Illustrated. Other models are similar.
a. Using landing gear (5), raise or lower front end of semitrailer until kingpin (4) is slightly higher than rear of
CAUTION
Have assistant direct you during backing operations. Damage to equlpment may result
lf cautlon ls not followed.
b. Connect kingpin (4)to fifth wheel plate by slowly backing towing vehicle until kingpin slides into notch on
fifth wheel plate and locks into catch.
c. Connect towing vehicle service air hose to semitrailer service air coupling (1). Connect towing vehicle
emergency air hose to semitrailer emergency air coupling (3).
d. Connect towing vehicle intervehicular cable into receptacle (2) on semitrailer. Ensure that all lights are
working properly.
2-10