TM 5-4320-302-14(8) Check that charging indicator light has gone out. This indicates batteries are being adequately charged byalternator.(9) Adjust engine speed to 2800 RPM and lock THROTTLE T-handle, then prime the centrifugal pump asdescribed below.f.Priming Centrifugal Pump.WARNINGCarbon monoxide is produced by the internal combustion engine of this pump. Death may resultif personnel fail to observe safety precautions.Carbon monoxide is a colorless, odorless, deadly poisonous gas which, when breathed, deprivesthe body of oxygen and causes suffocation. Exposure to air contaminated with carbon monoxideproduces symptoms of headache, dizziness, loss of muscle control, or apparent drowsiness.Coma, permanent brain damage, or death can result from severe exposure.Carbon monoxide occurs in the exhaust fumes of internal combustion engines and becomesdangerously concentrated under conditions of inadequate ventilation. Observe the followingsafety precautions whenever the engine is running:·Operate engine in a ventilated area only.·Do not idle the engine for long periods without maintaining adequateventilation.·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. For artificialrespiration, refer to FM21-11. Seek medical attention. Administer oxygen, if available.GOOD VENTILATION IS THE BEST DEFENSE AGAINST EXHAUST POISONING.Priming discharge of water and exhaust gases may cause severe burns orinjury. Wear gloves and safety glasses when priming pump.·Stand clear of venturi during priming.Prime the centrifugal pump as soon as possible after engine starts. Rotation of impeller withoutwater in volute will damage pump components.Pump shall prime within 1 minute. If pump volute does not fill with water, check suction hoseconnection and suction hose for leaks. Be sure that suction hose end is completely immersed inwater to be pumped.(1) Open cock valve.(2) Swing handle over onto exhaust valve.2-59
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