TM 9-2330-388-14
Section III. WATER TANK SEMITRAILER OPERATION UNDER USUAL CONDITIONS
2-20.
General
2-22.
Extreme Hot Weather Operation
a.
Parking. When practical, park the semitrailer
a.
You must follow the approved practices and
under cover to protect it from sun, sand and dust.
precautions. A detailed study of FM 21-305 and FM 55-
b.
Effects of Humidity. Vehicles parked for long
30 is essential for use of this material under unusual
conditions.
periods in hot, humid weather are subject to rapid rusting
and accumulation of fungus growth. Inspect often, clean,
b.
For description of operations in extreme cold,
refer to FM 9-20-7.
2-23.
Operation on Unusual Terrain
a.
Sand. Inspection, cleaning and lubrication of
2-21.
Extreme Cold Weather Operation
working parts must be made often when operating under
extremely dusty or sandy conditions. Wheel bearings
a.
Drain Water. During cold weather operations,
the accumulated water in the semitrailer piping system
specified on the lubrication order after operation under
may freeze. It is important to drain the water from the
extremely dusty or sandy conditions.
entire system after each operation to prevent damage to
b.
Rocky Terrain. Use extreme caution when
the components. Remove drain plug from engine fuel
tank and drain any accumulated water from tank.
traveling over rocky terrain. Specified tire inflation should
be maintained to minimize the possibility of internal
b.
Frozen Parts. The driver must be alert to frozen
rupture of the tire and damage to the tube.
systems while pulling the semitrailer after shutdown.
c.
Flooded Road Surfaces. When the unit is
Congealed lubricants may cause failure of parts. Tires
frozen to the ground, or frozen to the shape of the flat
subjected to flooded road surfaces, the vehicle can
spot while under-inflated must be considered. One or
withstand a depth of 24-inches.
However, wheel
more brake shoes may be frozen fast and may require
bearings should be cleaned and repacked if this
preheating to avoid damage to the internal parts and
happens. Electrical cables and terminals must be
brake drums. A warm air blower may be used to preheat
protected by spraying with ignition insulation compound.
the brake shoes.
d.
Salt Water Operation. After driving through
c.
Driving.
Refer to FM 21-305 for special
exterior salt water, inspect parts. Salt water causes
instructions on driving hazards in snow, ice, and unusual
corrosion of exposed parts. After operation is complete,
terrain encountered under extreme cold weather
wash with fresh water.
conditions.
e.
Operation Under any Unusual Terrain (all of a
d.
Engine Operations. For operating instruction of
through b). After operating the M1098 water tanker in
the engine in extreme cold weather, see para NO TAG
unusual terrain, inspect, clean and sanitize critical areas
Antifreeze should not be used to winterize any
component of the M1098 Water Tanker which is in direct
These illustrations locate critical areas: couplings; Y-filter
contact with potable water.
and valves. Sanitizing procedures are presented in para
2-15