at this level. This is a normal condi-
b. Model LP-512-ENG.
tion that cannot be prevented.
(1) Perform the applicable, instructions
(2) Make sure the unit is supplied with
in a above.
quantities of fresh air. Do not op-
(2) When washing salt from the unit, do
erate it in an enclosed area that does
not contaminate the fuel system with
not have ample ventilation.
water.
b. Model LP-512-ENG.
(3) Service the engine air cleaner more
(1) Perform the applicable instructions in
frequently.
a above.
(2) Fill the fuel tank at the end of each
day's operation to prevent condensa-
a. Model OEH-34-60-ENG-1.
tion of moisture in the fuel tank.
(3) Adjust the carburetor to compensate
(1) The air compressor is designed to op-
for the reduced amount of oxygen
crate efficiently at elevations up to
available to the carburetor (TM 5-
6,000 feet. There will be a reduction
2805-206-14).
in efficiency because of the rarified air
Section V. OPERATION OF MATERIAL USED I N CONJUNCTION WITH
THE AIR COMPRESSOR
handle and work the handle like a
pump. Direct the stream at the base
a. Description. A dry chemical-type extin-
of the flame.
guisher may be provided with the equipment.
Warning: The fumes developed by
It is a 2 pound hand-operated extinguisher.
b. Operation
the chemical reaction of heat and car-
(1) R e m o v e fire extinguisher from
bon tetrachloride are deadly. Take
bracket.
care not to inhale these fumes. Exer-
(2) Aim nozzle toward base of flame and
cise caution when extinguishing fires
squeeze handle trigger.
in unventilated or confined areas.
(3) Refilling and Maintenance. For a de-
extinguisher to be certain that hot ma-
tailed information on refilling and
terials are completely coated with
maintenance, refer to TM 5-687 and
chemical from the fire extinguisher to
TM 9-1799.
prevent rekindling of flame.
b. Carbon-Dioxide Type.
c. Maintenance.
(1) Description. The carbon-dioxide type
(1) Completely discharge fire extinguisher
fire extinguisher is suitable for use on
and notify the proper authority.
electrical and flammable liquid fires.
(2) Replacement must be made prior to
The carbon-dioxide types are of the 5-
further operation of the equipment
pound and 15-pound sizes. The 5-
Refer to TM-5-687 and TM 9-1799.
pound extinguisher is portable, the
other is of the fixed type.
(2) Operation. Remove the fire extin-
a. Carbon-Tetrachloride Type.
guisher from its location, break the
(1) Description. A carbon tetrachloride
seal, operate the control valve, and di-
fire extinguisher may be provided with
rect the stream of contents at the base
the equipment. It is a vaporizing,
of the flame.
1 i q u i d-type, pump-operated extin-
guisher having a capacity of one
(3) Refilling and Maintenance. For de-
quart.
tailed instructions on refilling and
(2) Operation. Remove the fire extin-
maintenance, refer to TM 5-687 and
guisher from its location; turn the
TM 9-1799.
