Start engine and allow air pressure to build to recommended pressure for
travel. Push system OFF button and allow motorhome to return to travel
position. All red indicator lights must be OFF and travel indicator light must
be lighted before traveling. Ensure that the motorhome is at the proper ride
height before moving. DO NOT solely rely upon the warning lights.
CAUTION: Do not rely solely upon warning lights. It is the
operator’s responsibility to check that the motorhome is at the
proper ride height before moving the motorhome.
The diesel engine operates differently from the conventional gasoline
engine. Gasoline engines control engine speed using a butterfly throttle plate
controlling air/fuel mixture inlet flow. As the throttle plate opens, vacuum
created by the piston velocity draws the metered fuel/air charge into the com-
bustion chamber, then ignited from a controlled electric ignition source.
Closing the throttle plate limits the fuel/air supply, slowing engine speed,
increasing intake manifold vacuum.
The diesel engine in the motorhome controls engine speed by varying fuel
supply only. No throttle plates are used. An exhaust driven turbine system
(turbocharger) compresses the fresh air supply into the engine. The fuel is
injected under pressure into the combustion chamber. Ignition of fuel/air
charge occurs from heat generated by rapid high compression. The turbo
boost gauge registers amount of intake manifold compression measured in
lbs./in². Therefore, no intake manifold vacuum exists.
Diesel engine RPM (revolutions per minute) operating speeds are general-
ly much lower than that of the gasoline engine. Peak torque and horsepower
output values occur at much lower engine speeds. Idle speeds between the
two engine types are similar, however maximum engine speeds are quite
Chassis Information
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WINDSOR
10•278
Air Leveling-
Traveling
Preparation
ENGINE -
GENERAL
INFORMATION
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