TM-9-2320-279-20-1
M977 SERIES, 8x8 HEAVY EXPANDED MOBILITY TACTICAL TRUCKS (HEMTT)
TECHNICAL MANUAL; MAINTENANCE INSTRUCTIONS; ORGANIZATIONAL MAINTENANCE, VOLUME 1 OF 3
TM-9-2320-279-20-1 - Page 10 of 985
TM 9-2320-279-20-1
WARNIN G
CARBON MONOXIDE (EXHAUST GAS) CAN CAUSE DEATH.
Carbon monoxide is without color or smell, but can cause death. Breathing ai r
with carbon monoxide produces symptoms of headache, dizziness, loss o f
muscular control, a sleepy feeling, and coma. Brain damage or death can resul t
from heavy exposure. Carbon monoxide occurs in the exhaust fumes o f
fuel-burning heaters and internal combustion engines. Carbon monoxide ca n
become dangerously concentrated under conditions of no ventilation .
Precautions must be followed to ensure crew safety when the personnel heate r
o r
1 .
2 .
3 .
4 .
engine of any vehicle is operated for any purpose .
DO NOT operate personnel heater or engine of vehicle in a closed plac e
without proper ventilation .
DO NOT drive any vehicle with inspection plates, cover plates, or engin e
compartment covers removed unless necessary for maintenance purposes .
BE ALERT at all times during vehicle operation for exhaust odors an d
exposure symptoms. If either are present, IMMEDIATELY VENTILAT E
personnel compartments. If symptoms persist, remove affected crew to fres h
air and keep warm. DO NOT PERMIT PHYSICAL EXERCISE. If necessary, giv e
artificial respiration and get immediate medical attention. For artificia l
respiration, refer to FM 21-11 .
BE AWARE that the gas particulate filter unit or the field protection mask fo r
nuclear-biological-chemical protection WILL NOT offer safety from carbo n
monoxide poisoning .
THE BEST DEFENSE AGAINST CARBON MONOXIDE POISONING IS GOO D
VENTILATION .
WARNIN
G
Adhesives, solvents, and sealing compounds can burn easily, can give off harmfu l
vapors, and are harmful to skin and clothing. To avoid injury or death, keep awa y
from open fire and use in well-ventilated area. If adhesive, solvent, or sealin g
compound gets on skin or clothing, wash immediately with soap and water .
WARNIN
G
Never use the parking brake for normal braking or wheels will lock up causin g
severe skid. Skidding vehicle could result in serious injury or death .
WARNIN
G
Fuel is very flammable and can explode easily. To avoid serious injury or death ,
keep fuel away from open fire and keep fire extinguisher within easy reach whe n
working with fuel. Do not work on fuel system when engine is hot. Fuel can b e
ignited by hot engine. When working with fuel, post signs that read N O
SMOKING WITHIN 50 FEET of vehicle .
WARNIN
G
Remove rings, bracelets, wristwatches, neck chains, and any other jewelry befor e
working around vehicle. Jewelry can catch on equipment and cause injury, o r
may short across an electrical circuit and cause severe burns or electrical shock .
a
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