TM-9-2320-209-34-2-1
2½-TON, 6X6, M44A1 AND M44A2 SERIES TRUCKS (MULTIFUEL)
TECHNICAL MANUAL; MAINTENANCE; DIRECT SUPPORT AND GENERAL SUPPORT LEVEL; VOLUME 2 OF 2; PART 1 OF 3
MAY 1981
TM-9-2320-209-34-2-1 - Page 4 of 770
WARNING
EXHAUST GASES CAN BE DEADLY
Exposure to exhaust gases produces symptoms of headache, dizziness, loss of muscu-
lar control, apparent drowsiness, and coma. Permanent brain damage or death can
result from severe exposure.
Carbon monoxide occurs in the exhaust fumes of fuel burning heaters and internal
combustion engines, and becomes dangerously concentrated under conditions of inad-
equate ventilation. The following precautions must be observed to insure the safety
of personnel whenever fuel burning heater(s) or engine of any vehicle is operated for
maintenance purposes or tactical use.
Do not operate heater or engine of vehicle in an enclosed area unless it is adequately
ventilated.
Do not idle engine for long periods without maintaining adequate ventilation in per-
sonnel compartments.
Do not drive any vehicle with inspection plates or cover plates removed unless neces-
sary for maintenance purposes.
Be alert at all times during vehicle operation for exhaust odors and exposure symp-
toms. If either are present, immediately ventilate personnel compartments. If symp-
toms persist, remove affected personnel from vehicle and treat as follows: expose to
fresh air; keep warm; do not permit physical exercise; if necessary, administer arti-
ficial respiration.
If exposed, seek prompt medical attention for possible delayed onset of acute lung
congestion. Administer oxygen if available.
The best defense against exhaust gas poisoning is adequate ventilation.
WARNING
SERIOUS OR FATAL INJURY TO PERSONNEL MAY RESULT
IF THE FOLLOWING INSTUCTIONS ARE NOT COMPLIED WITH.
The engine is heavy and bulky. Make sure there is enough clearance around and over
truck before lifting unit.
This will stop damage to equipment and injury to personnel.
Vibration damper must be heated to be replaced. Wear welder’s gloves when handling
damper to avoid injury to personnel.
Flywheel is very heavy and should be taken out and put into place by two people.
Failure to do this may cause flywheel to fall, causing injury to personnel and damage
to equipment.
Do not let tool touch positive terminal on battery and truck or there will be a direct
short, arcing, and tool will heat. This could cause equipment damage and injury to
personnel.
Do not touch any uninsulated or live connections working on ignition unit. Voltage
output of ignition unit can cause dangerous electrical shock. Read warning notice on
ignition unit.
Do not repair fuel tank unless tank has been cleaned and properly treated to get rid
of all flammable or explosive fumes. Merely draining tank does not make it safe for
welding. An “empty“ tank can be more dangerous than a full one. Before repairing,
a
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