Medium Duty Operator's Manual - Peterbilt Motors Company

Medium Duty Operator's Manual - Peterbilt Motors Company Medium Duty Operator's Manual - Peterbilt Motors Company

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STANDARD GAUGES the warning light does not go off or the temperature gauge does not begin to drop, then turn the engine off. • If the overheating came from severe operating conditions, the temperature should have cooled by this time. If it has not, stop the engine and let it cool before checking to see if the coolant is low. Fuel Gauge CONTROLS AND DISPLAY CAUTION: Use Ultra Low Sulfur Diesel fuel only. Failure to do so may damage components of the Diesel Particulate Filter (DPF). The fuel gauge shows the approximate amount of fuel in the fuel tanks. Besides empty and full, the gauge also indicates 1/4, 1/2, and 3/4 of total capacity. You will want to keep your fuel tanks at least half full to reduce condensation of moisture in the tanks. This moisture can damage your engine. Diesel Exhaust Fluid (DEF) Gauge WARNING! Do not remove a fuel tank cap near an open flame. Hot fuel vapors are combustible and can cause an explosion or fire resulting in injury or death. The deisel exhaust fluid gauge shows the approximate amount of DEF fluid in the DEF tank. Besides empty and full, the gauge also indicates 1/4, 1/2, and 3/4 of total – 40 – Y53-6008A Medium Duty (R05/09)

CONTROLS AND DISPLAY STANDARD GAUGES capacity. DEF fluid is required to meet certain emission requirements. Do not allow your DEF tank to remain empty. Please refer to your emission supplemental manual for more details about DEF fluid. CAUTION: Use Diesel Exhaust Fluid only. Failure to do so may damage components of the Diesel Particulate Filter (DPF). Primary (Secondary) Air Pressure Gauge (Air Reservoir) The air pressure gauge indicates the amount of air pressure in the brake system in pounds per square inch (psi). • The primary gauge shows front reservoir air pressure. • The secondary gauge shows pressure in the rear reservoir. Ensure the air pressure registers more than 100 psi in both service systems before you move the vehicle. If the pressure in either circuit is too low for normal brake operation, the warning light will glow and the audible alarm will sound. Medium Duty (R05/09) Y53-6008A – 41 –

STANDARD GAUGES<br />

the warning light does not go off or the temperature<br />

gauge does not begin to drop, then turn the engine<br />

off.<br />

• If the overheating came from severe operating conditions,<br />

the temperature should have cooled by this<br />

time. If it has not, stop the engine and let it cool before<br />

checking to see if the coolant is low.<br />

Fuel Gauge<br />

CONTROLS AND DISPLAY<br />

CAUTION: Use Ultra Low Sulfur Diesel fuel only.<br />

Failure to do so may damage components of the<br />

Diesel Particulate Filter (DPF).<br />

The fuel gauge shows the approximate amount of fuel in<br />

the fuel tanks. Besides empty and full, the gauge also indicates<br />

1/4, 1/2, and 3/4 of total capacity. You will want to<br />

keep your fuel tanks at least half full to reduce condensation<br />

of moisture in the tanks. This moisture can damage<br />

your engine.<br />

Diesel Exhaust Fluid (DEF) Gauge<br />

WARNING! Do not remove a fuel tank cap near<br />

an open flame. Hot fuel vapors are combustible<br />

and can cause an explosion or fire resulting<br />

in injury or death.<br />

The deisel exhaust fluid gauge shows the approximate<br />

amount of DEF fluid in the DEF tank. Besides empty and<br />

full, the gauge also indicates 1/4, 1/2, and 3/4 of total<br />

– 40 – Y53-6008A <strong>Medium</strong> <strong>Duty</strong> (R05/09)

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