TM-9-2350-238-20-1
HULL AND RELATED COMPONENTS RECOVERY VEHICLE, FULL TRACKED: LIGHT, ARMORED, M578
TECHNICAL MANUAL; UNIT MAINTENANCE MANUAL
MAY 1994
TM-9-2350-238-20-1 - Page 4 of 1364
TM 9-2350-238-20-1
Electrical engine starter weighs 80.0 lb (36.3 kg). Carefully remove and install electrical engine
starter.
Block vehicle tracks and release parking brake before working in driver’s compartment. Disconnect
battery ground leads from battery before working at rear of instrument panel.
Brake foot pedal is spring-loaded. Block tracks and release parking brake before working on
instrument (switch) panel. Disconnect battery ground leads from battery before working at rear of
instrument panel.
Road wheel arms rotate in an arc when raised or lowered. Ensure that jack is properly located and
positioned under arm to allow for rotation and to provide a stable support for arm.
CARBON MONOXIDE POISONING IS DEADLY
Carbon monoxide is a colorless, odorless, deadly poisonous gas, which, when breathed, deprives
the body of oxygen and causes suffocation.
Exposure to air contaminated with carbon monoxide
produces symptoms of headache, loss of muscular 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 inadequate ventilation. The
following precautions must be observed to ensure the safety of personnel whenever the personnel
heater, main, or auxiliary 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 personnel
compartments.
Do not drive any vehicle with inspection plates, cover plates, or engine compartment doors
removed unless necessary for maintenance purposes.
Be alert at all times during vehicle operation for exhaust odors and exposure symptoms. If
either are present, immediately ventilate personnel compartments. If symptoms persist,
remove affected personnel from vehicle, and treat as follows: expose to fresh air; keep warm:
DO NOT PERMIT PHYSICAL EXERCISE; if necessary, administer artificial respiration. (Refer
to FM 21-11).
THE BEST DEFENSE AGAINST CARBON MONOXIDE
POISONING IS ADEQUATE VENTILATION
ELECTRICAL COMPONENTS
Make sure MASTER switch is OFF before repairing electrical components or circuits. Failure to
observe this warning could result in injury to personnel.
Failure to remove or disconnect the batteries before removing or installing any electrical wiring
harness or lead may result in injury or damaged equipment.
To avoid battery blow-up, do not connect battery cables before activating batteries with electrolyte.
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