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TM 9-4110-257-14
SECTION IV. OPERATION UNDER UNUSUAL CONDITIONS
2-9. OPERATION UNDER INCILEMENT WEATHER.
The refrigeration unit is designed to operate under adverse environmental conditions such as rain, snow, etc. in
temperatures from 0° F to 125 F (-17° C to 52 C). Follow the startup procedures given for usual conditions and apply
the following procedures, as necessary, for operation in high temperatures (104° F to 125 F (45° C to 52 C)) and low
temperatures (40° F to 0° F (4 C to -17 C)).
WARNING
Operating the refrigeration unit in a building or any enclosed area
without the exhaust gases piped outside can result in serious illness or
death.
The refrigeration unit engine produces dangerously high noise levels
reaching 96 dB (A) at the service position. Approved hearing protection
must be worn any time personnel are within 12 feet of an operating unit
to avoid temporary or possibly permanent hearing damage.
a. Hot Weather (104° F to 125 F (45° C to 52 C)). Notify unit maintenance to drain and fill the engine with
appropriate lubricating oil for hot weather.
b. Cold Weather (40° F to 5° F (40 C to -15° C)). Before placing the toggle switch (START/RUN, OFF, GLOW
PLUG) (5, fig. 2-4) handle in the START/RUN position, place and hold in the GLOW PLUG position for 30
seconds.
c. Cold Weather (5° F to 0° F (-15° C to -17 C)).
(1) Notify unit maintenance to drain and fill the engine with appropriate lubricating oil for cold weather.
(2) Notify unit maintenance to drain and fill the fuel tank with appropriate fuel for cold weather.
(3) Before placing the toggle switch (START/RUN, OFF, GLOW PLUG) (5, fig. 2-4) handle in the START/RUN
position, place and hold in the GLOW PLUG position for 30 seconds.
2-10. NBC DECONTAMINATION PROCEDURES.
The following emergency procedures can be performed until field NBC decon facilities are available. If NBC attack is
known or suspected, mask at once and continue mission. If outside, follow decon procedures below to avoid taking
contamination into controlled area. Do not unmask until told to do so.
NOTE
Detailed decontamination procedures can be found in: FM 3-3, FM 3-4, and
FM 3-5.
a. Nuclear Decontamination. Brush fallout from skin, clothing and equipment with available brushes, rags, and
tree branches. Wash skin and have radiation check made when tactical situation permits.
b. Biological Decontamination. Remain masked and continue mission until told to unmask.
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