TM 9-2330-388-14
CHAPTER 2
OPERATING INSTRUCTIONS
Section I. MOVING AND STATIONING THE WATER TANK SEMITRAILER
a.
This is a brief service to make sure that the
WARNING
semitrailer is ready for operation, and that conditions
affecting the semitrailer's readiness have not changed
If Incorrectly used, this equipment can cause
since the previous after-operation service. The before-
severe Injury or death. Those who use and
operation services specified in table 3-1, Operator/ Crew
maintain the equipment should be trained in
Preventive Maintenance Checks and Services, Chapter
its proper use and should read the entire
manual before attempting to set up, operate,
adjust, or service the equipment.
b.
You must follow approved practices and
precautions. A detailed study of Section III, Tanker
2-1.
General
Operation Under Unusual Conditions, is essential for use
of this material under unusual conditions.
This chapter contains three sections that cover the
following topics in order: 1. Moving and Stationing the
2-3.
Coupling Semitrailer to Towing Vehicle (Figs.
M1098 Water Tank Semitrailer; 2. Operation of auxiliary
equipment; 3.
Tanker Operation Under Unusual
Conditions.
a.
Back the towing vehicle slowly to the front of the
semitrailer. Maneuver the towing vehicle so that the
Section II provides operator/crew instruction for
kingpin on the semitrailer is in line with the fifth wheel
operation and proper use of the M1098 water tanker
jaws on the towing vehicle. Before the upper coupler
semi-trailer.
(kingpin) plate of the semitrailer starts to ride on the fifth
wheel of the towing vehicle, stop the towing vehicle.
2-2.
Before-Operation Service
Make sure the kingpin and the fifth wheel are properly
aligned. Do not ram tractor into semitrailer pick-up plate.
WARNING
You may need to raise or lower the landing legs to align
the level of the semitrailer kingpin plate with the tractor
Frequent inspection of equipment, safety
fifth wheel. Back towing vehicle under upper coupler
devices, and working areas must be
(kingpin) plate until the kingpin and fifth wheel hook
performed
to
ensure
personal
and
automatically. Make sure the kingpin and fifth wheel are
operational safety and to correct potential or
engaged and locked.
actual hazards.
b.
Remove dummy couplings from the service air
The semitrailer must not be operated if
couplings and emergency air couplings, fig. 2-1. Couple
any of the following conditions exist:
the towing vehicle air line marked SERVICE, and the air
line-marked EMERGENCY to the semitrailer coupling
a. Damage to lighting fixtures, wiring or
bearing a like tag.
electrical conduits, or lights Inoperative.
CAUTION
b. Damage
to
towing
vehicle
or
semitrailer.
Proper operation of semitrailer primary brake
system is essential for safe operation of
c. Primary or parking brake systems
vehicle and must be maintained. Functional
inoperative.
system check is necessary before putting
trailer into service.
Semitrailer parking
d. Vents plugged, Inoperative, or
brakes are provided to maintain braking and
removed. Pressure, vacuum and vents are
holding requirements whether semitrailer is
installed to meet code requirements and to
fully loaded or empty.
The system will
protect the semitrailer from damage.
A
automatically apply the parking brakes when
plugged or inoperative vent can cause
air pressure in primary reservoir falls below
extensive shell damage if design pressure or
specified pressure.
vacuum Is exceeded.
2-1
