FITTING 4B4450 - Caterpillar

A flash fire may result in personal injury if the crankcase covers are removed within fifteen minutes after an emergency shutdown.Fire may result from lubricating oil or from fuel that is sprayed on hot surfaces. Fire may cause personal injury and property damage. Inspect all lines and tubes for wear or for deterioration. The lines must be properly routed. The lines must have adequate support and secure clamps. Tighten all connections to the recommended torque. Leaks can cause fires.Determine whether the engine will be operated in an environment that allows combustible gases to be drawn in through the air inlet system. These gases could cause the engine to overspeed. This could result in bodily injury, property damage, or damage to the engine.If the application involves the presence of combustible gases, consult your Caterpillar dealer in order to obtain additional information concerning suitable protection devices.Leaking fuel or fuel that is spilled onto hot surfaces or onto electrical components can cause a fire.All fuels, most lubricants, and some coolant mixtures are flammable. Diesel fuel is flammable. Gasoline is flammable. The mixture of diesel fumes and gasoline fumes is extremely explosive.Do not smoke while the engine is refueled. Do not smoke in the refueling area.Store all fuels and all lubricants in properly marked containers. Store the protective containers in a safe place.Do not smoke in battery charging areas. Batteries give off flammable fumes which can explode. Do not smoke in areas that contain flammable material.Store oily rags and other flammable material in protective containers.Do not weld on pipes or tubes that contain flammable fluids. Do not flame cut pipes or tubes that contain flammable fluids. Before pipes or tubes are welded or flame cut, clean the inside and clean the outside of the pipes or tubes thoroughly with nonflammable solvent.Do not allow flammable materials to accumulate on the engine.Do not expose the engine to flames.Exhaust shields (if equipped) protect hot exhaust components from oil or fuel spray in case of a line, a tube, or a seal failure. Exhaust shields must be installed correctly.Dispose of oil according to local regulations. Oil filters and fuel filters must be properly installed. The housing covers must be tightened to the proper torque when the housing covers are reinstalled.Batteries must be kept clean. The covers (if equipped) must be kept on the cells. Use the recommended cables, connections, and battery box covers when the engine is operated.Check the electrical wires daily for wires that are loose or frayed. Before the engine is operated, tighten all loose electrical wires. Repair all frayed electrical wires.Wiring must be kept in good condition. Wires must be properly routed and securely attached. Routinely inspect the wiring for wear or for deterioration. Loose wiring, unattached wiring, or unnecessary wiring must be eliminated. All wires and all cables must be of the recommended gauge. Do not use a wire or a cable that is smaller than the recommended gauge. The wires and cables must be connected to a fuse or to a