TM 9-2320-361-20 WARNING SUMMARY (Contd) NBC contaminated filters must be handled using adequate precautions (FM 21-40) and must be disposed of by trained personnel. Do not put fingers between frame and engine supports. Jack failure may result in injury to personnel. Do not drain oil when engine is hot. Hot oil may cause injury to personnel. Battery acid (electrolyte) is extremely harmful. Always wear safety goggles and rubber gloves when performing battery maintenance. Severe injury will result if acid contacts eyes or skin. When removing battery cables, disconnect ground cable first. Do not allow tools to come in contact with vehicle when disconnecting cable clamps. A direct short can result, causing instant heating of tools, tool damage, battery damage, or battery explosion, and severe injury to personnel. Eye protection is required when using wire brush for cleaning. Failure to do so may result in injury to personnel. Never remove tire lockring without first deflating tire. Lockring may explode off, causing injury or death to personnel. When assembling plates and leaves with C-clamp, the plates and leaves will be under tension. Use care not to disturb the assembly until center bolt and nut are tightened. Failure to do so may result in injury to personnel. Some vehicles have two seperate wires and connectors. Mark wires for installation. Connecting wires on wrong terminals may cause fuel to ignite, resulting in injury to personnel. Do not touch hot exhaust system components with bare hands; injury to personnel will result. Do not remove radiator cap if engine is hot. Steam or hot coolant under pressure may cause injury to personnel. Do not disconnect air lines before draining air reservoirs. Small parts under pressure may shoot out with high velocity, causing injury to personnel. Lockring must be properly seated around wheel when installed. If lockring is not correctly installed, it may explode off when tire is inflated, causing injury or death to personnel. Never attempt to correct seating of lockring by hammering, striking, or forcing while tire is inflated. Lockring may explode off causing injury or death to personnel. Never inflate a tire without a tire inflation cage. Injury or death to personnel may result from exploding wheel components. Always use tire inflation equipment specified in TM 9-2610-200-24. Warn personnel to stand 10 ft (3.1m) clear of tire inflation cage while inflating tire. Injury or death may result from exploding wheel components. Never rest or lean against tire inflation cage while tire is being inflated or injury or death to personnel may result. Keep fingers clear of hood and cowling when replacing hinge. Failure to do so may result in injury to personnel. All personnel must stand clear during lifting operations. A snapped chain, shifting or swinging load may result in injury to personnel. Tailgate is heavy. Ensure tailgate is supported prior to removing pins. Failure to do so may cause injury to personnel. C