TM 55-1730-229-12
AG 320A0-OMM-000
TO 35C2-3-473-1
TM 1730-12/l
g. Air Intake System. Ensure that
OPERATION IN SALT WATER AREAS.
air intake louvered cover and air
cleaner are not obstructed with ice or
a . General. Salt water causes
snow.
corrosive action on metal. Care must be
taken to avoid contact with salt water.
If the unit is exposed to salt water or
h . Fuel System. Keep the fuel
tank as full as possible at all times to
spray, wash the unit thoroughly with
clean, fresh water.
prevent condensation. Use JP-4 for tem-
peratures below -40F (-40C).
b. Protection. Keep unit clean,
i. System Preheat. The prolonged
and free from dirt and grease that can
storage of the AGPU under extreme cold
trap salt water. If possible, wash unit
conditions, below -25F (-32C), may
down with fresh water weekly.
require preheating the system prior to
operation.
This can be accomplished by
2-22.
moving the AGPU to a warm building, or
a . The AGPU is designed to operate
using a heating unit with hose inserted
through the engine PRE HEAT ACCESS door.
at elevations up to 10,000 feet (3048
The deicing air system from another AGPU
meters) above sea level.
can also be used for preheating.
b. Above 10,000 feet (3048 meters)
the AGPU output power output will be re-
duced . Additionally, the engine exhaust
CONDITIONS. Start engine daily and op-
gas temperature (EGT) will be higher.
erate for 30 minutes to dry out systems.
Automatic shutdown of engine may occur
Keep the fuel tank full to prevent the
under heavy loads.
Keep air cleaner
forming of condensation. Check fuel for
water daily by draining off a. small
serviced.
amount of fuel into a container. If
OPERATION UNDER SNOWY CONDI-
water is present, continue draining un-
til fuel is clean.
TIONS.
a. General. Procedures for opera-
AREAS.
tion under snowy conditions are very
similar to procedures required to oper-
ate in extreme cold. Prior to starting
doors
a . Protection.
Keep all
Keep
closed, and covers installed.
the engine, clear snow accumulation from
When opera-
the exhaust ejector flap.
the unit as clean as possible, paying
ting the AGPU in snow, make certain that
special attention to air cleaner, con-
the chassis remains clear of snow and
trols, and moveable parts.
ice. Keep doors and panels free of snow
and ice to allow the free flow of air to
b. Lubrication. In dusty or sandy
the unit.
areas, filters and strainers must be
serviced more
frequently than under
Change engine oil
normal conditions.
b. After-operation Procedures. Re-
and filter more frequently in dusty
move accumulations of ice and snow from
Clean all lubrication points
areas.
under the AGPU.
Specific attention
carefully before and after lubrication.
should be given to the following areas:
Be sure that all lubricant containers
wheels, axles, steering knuckles and
are tightly sealed and stored in an area
arms, clutch lever, brake cable and
lever, and air intake louvered panel.
as free as possible from dust and sand.
c. Fuel System. Take all neces-
sary precautions to keep dirt and grit
out of the fuel tank.
should be serviced more frequently.
2-45/(2-46 blank)
Change 1
