Chassis Information --- Section 10
The Executive 2005
425
AIR SUPPLY SYSTEM
The air compressing system on the motorhome is comprised of: a compressor, governor, dryer, front
tank and a rear tank. The compressed air system operates several items, including brakes, suspen-
sion, air horns, air gauge and the stepwell cover. The air system is charged by a gear driven air com-
pressor mounted on the engine. As engine speed increases, compressed air output increases. When the
air is compressed, heat is generated. Heat dissipates as the air is discharged from the compressor.
Moisture condenses in the compressed air as it cools and enters the air dryer to be filtered. The filtered
air charges the front air tank which is divided in two sides: a wet and a dry side. The compressed air
enters the wet side before entering the dry side. A discharge line from the dry side of the front air tank
charges the rear air tank. Discharge lines use inline check valves to prevent a back flow of compressed
air.
090404
Typical Air System Layout
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