Fire Explosion Prevention

Danger

The diesel engine will operate any fuel which enters the cylinder , whether from the injectors from the air intake any solvent used flush out the air cleaner the engine may over speed during startup. Engine damage and severe injury and/or death from burns explosion can occur .

Danger

Excessive heat may cause the pressurized components the air conditioned system explode. Some mixtures R134a refrigerant can become combustible elevated pressures. Never weld, solder , steam clean use a gas torch near any part the air conditioning system. Severe injury death may occur from explosion.

Danger

NOT service any part the fuel system while smoking the presence sparks hot Failure follow these precautions can result which can cause serious injury

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NOT store fuel containers the They may explode and cause feed a Empty they present a hazard that may lead burns the event a

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The engine should not operated area where combustible gases are suspected the air These could drawn into the engine through the engine air intake system and could cause the engine over speed with possible serious damage the engine and bodily injury property

Make provisions for shutting f the engine intake air fuel supply stop the engine there over speed start - after performing repair maintenance it.

Contact your nearest MACK T ruck dealer for any necessary air conditioning testing

All fuels, most lubricants and some coolant mixtures are flammable. Diesel fuel flammable. Gasoline flammable. The mixture diesel and gasoline fumes extremely explosive. NOT smoke while refueling when a refueling area.

Keep all fuels and lubricants stored properly marked containers and away from all unauthorized Store oily rags other flammable material a protective container , a safe

Remove all flammable material such fuel, oil and other substances before they accumulate the engine.

NOT expose the engine driving over burning

NOT weld flame cut around pipes tubes that contain flammable

Exhaust heat shields may installed protect oil fuel carrying lines and pipes from hot exhaust parts. T o protect from pipe seal failure, install heat shields correctly .

Provide adequate and proper waste oil

Always dispose waste liquids according Federal and local Oil and fuel filters should properly installed and housing covers tightened the proper torque when being

Starting Aids

Danger

NOT use ether other combustible starting aids any engine equipped with a preheater . the engine equipped with a preheater , introduction ether similar starting aids could cause a fire explosion resulting severe property damage, serious personal injury death.

NOT use ether other combustible starting aids engines that have a heater element other heating devices installed the intake manifold for heating the intake air during coldstarts.

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Fire Extinguisher

Anytime work being done the fuel system any other area where flammable substances are being used, have a fire extinguisher available and know how use it. Inspect and have serviced recommended its instruction label.

Respiratory Hazard Prevention

Danger

Exhaust gases contain carbon monoxide. Always run the engine outdoors use a properly vented exhaust hose. Prolonged excessive exposure may cause serious illness death.

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Diesel engine exhaust and some its constituents are known the state California cause cancer , birth defects and other reproductive harm. W0001523

Always work a well ventilated space the engine needs running and use a hose route the exhaust the outside.

Poisonous Substances

Danger

Coolant toxic; risk poisoning.

NOT drink coolant. Use proper hand protection when handling. Keep coolant out reach children and Failure follow these precautions can cause serious illness

Cooling system supplemental additive contains T o prevent personal injury , avoid contact with the skin and

NOT drink coolant any concentration.

Crushing Cutting Prevention DANGER

Before working a vehicle, set the parking brakes, place the transmission neutral and chock the wheels. Failure can result unexpected vehicle movement and can cause serious personal injury death.

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NOT work near the fan with the engine running the ignition the position. The engine fan can engage any time without warning. Anyone near the fan when turns could seriously injured.

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Never attempt adjustments repairs while the engine see your authorized MACK T ruck dealer .

Inspect the fan blade assembly before service for cracks loose mounting before starting the engine. Never stand alongside a rotating fan assembly , particularly high fan speeds.

Wear protective glasses when striking objects avoid injury your eyes. Chips other debris can fly f objects that are Make sure one can injured flying debris before striking any object.

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Climbing and Down

Danger

Always have three limbs (one foot and two hands two feet and one hand) contact with the vehicle all times when entering exiting the cab the area behind the cab. Failure follow this warning can result serious personal injury death.

NOT climb jump f from the engine stand components that cannot support your weight. Use adequate ladder scaf folding, suitably situated.

NOT use top engine cowling ledge foothold when reaching top cab. Clean steps, handholds and areas the vehicle which you will working are Refer the Operators Manual for proper entry and exit

Always use a thr - point stance (two hands and one foot one hand and two feet) whenever climbing down

Engine Damage Prevention

Before Starting the Engine DANGER

Before working a vehicle, set the parking brakes, place the transmission neutral and chock the wheels. Failure can result unexpected vehicle movement and can cause serious personal injury death.

Inspect engine for potential hazards. Make sure all protective guards and covers are properly installed engine needs started make adjustments checks. T o help prevent accident moving parts, work carefully around them.

NOT disable bypass automatic alarm/shutof f They are provided prevent personal injury and engine

Only properly trained and authorized MACK Service T echnicians may attempt repairs this