exposed metal is greatly accelerated in salt water areas.
lubricate, and reinstall. Clean all the machined surfaces
Coat all exposed metal surfaces with an approved
of the pump and control linkages to remove
lubricant. When the fire truck has been partly immersed
accumulated dust and sand.
or sprayed with salt water, wash down with fresh water.
Electrical Systems. Keep the insulation
Pumping Salt Water. Do not use salt water
electrical connections, and all motors free from dust and
except in case of extreme emergency. At the earliest
sand to prevent wear and short circuits. Cover the siren
opportunity after pumping salt water, flush the tank
when not in use.
piping and fire pump thoroughly with fresh water. After
flushing, drain the water pump.
25. Operation Under Rainy or Humid Conditions
27. Operation at High Altitude
General. High humidity causes a rusting
and corrosive action to exposed metal surfaces with oil
General. Operation at high altitude presents
special problems due to lower atmospheric pressure and
wide differences in temperature, which occurs during the
Fuel System.. Keep the fuel tank as full as
day and night. Protect the fire truck at all times from the
possible to eliminate condensation. Clean the fuel line
lowest anticipated temperature.
sediment bowl daily (TM 9-2320-235-10).
Cooling System. Keep the cooling system
Keep the electrical
clean and filled to the proper level. Inspect frequently
system clean an(d dry. Wipe off any excess moisture.
as water evaporates more rapidly at high altitudes.
Pay particular attention to electrical connections.
Keep the radiator clean and engine compartment doors
26. Operation in Salt Water Areas
and radiator shutters open when in operation.
General. The deterioration and corrosion of
Section V. OPERATION OF AUXILIARY MATERIEL USED IN CONJUNCTION WITH FIRE TRUCK
its location; turn the handle and work the handle like a
28. Carbon Dioxide and Carbon Tetrachloride Type
pump. Direct the stream at the base of flame.
Carbon Dioxide Type.
Be extremely careful when using a
Description. The carbon dioxide fire
carbon tetrachloride fire extinguisher
extinguisher is suitable for use on
in an enclosed area.
electrical and flammable fires.
adequate ventilation before entering
carbon dioxide type is of the 15-pound
The 15-pound extinguisher is
an enclosed area where carbon
tetrachloride has been used.
Remove the fire
For maintenance of the
extinguisher from its location, break the seal, operate
extinguisher, refer to TM 5-687 and TM 9-1799.
the control valve, and direct the stream at the base of
Monobromotrifluoromethane and Foam Type
Refilling and Maintenance.
detailed information on refilling and maintenance, refer
to TM 5-687 and TM 9-1799.
type fire extinguisher is generally suitable for all types of
Carbon Tetrachloride Type.
fire, except fire involved with LOX (liquid oxygen)
Description. The carbon tetrachloride
generating equipment. The fire extinguisher is furnished
type fire extinguisher is suitable for electrical fires
with a disposable type cylinder.
because it will not damage electrical equipment or
To operate the fire
conduct electricity. It is a 1-quart, vaporizing-liquid,
extinguisher, perform the following:
pump operated extinguisher.
Remove fire extinguished from