TM 5-4320-302-144-21.AIR CLEANER, AIR INTAKE TUBES, ELBOWS, AND RAIN CAP (CONT)Location/ItemActionRemarksTEST SYSTEMWARNINGTouching exhaust system during test can cause severe burns. Carbon monoxide is acolorless, odorless, deadly poisonous gas which, when breathed, deprives the body ofoxygen and causes suffocation. Exposure to air contaminated with carbon monoxideproduces symptoms of headache, dizziness, loss of muscle control, or apparentdrowsiness. Coma, permanent brain damage, or death can result from severeexposure.Carbon monoxide occurs in the exhaust fumes of internal combustion engines andbecomes dangerously concentrated under conditions of inadequate ventilation.Observe the following safety precautions whenever the engine is running:Operate engine in a ventilated area only.Do not idle the engine for long periods without maintaining adequate ventilation.Be alert at all times for exhaust odors and exposure symptoms.Be aware: the field protective mask for chemical biological radiological (CBR)protection will not protect you from carbon monoxide poisoning.Expose victims to fresh air, keep warm, and do not permit physical exercise. Forartificial respiration, refer to FM 21-11. Seek medical attention. Administer oxygen, ifavailable.GOOD VENTILATION IS THE BEST DEFENSE AGAINSTEXHAUST POISONING.Priming discharge mixture of water and exhaust gases may cause severe burns orinjury. Wear gloves and safety glasses when priming pump.Stand clear of venturi during priming.CAUTIONPrime the centrifugal pump as soon as possible after engine starts. Rotation ofimpeller without water in volute will damage pump components.20. Air cleanerStart engine and observe installed components for looseness,assembly andrattles, or leaks. Tighten. If red band is visible in window ofair cleaner in-restriction indicator, shut down engine. Recheck installationtake restrictionand elements. Reset indicator. Restart engine. If red band isindicatorstill visible, replace indicator in accordance with paragraph 4-16. Restart engine and check indicator. If indicator still shows red band,refer to direct support.4-111
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