Section 10 --- Chassis Information
The Executive 2005
430
Air Dryer Components:
1. Purge Valve: A valve located on the bottom of the air dryer base that remains open dur-
ing a compressor unload cycle to allow collected moisture, condensation and contami-
nation to expel from the air dryer during the purge cycle.
2. Pressure Relief Valve: Protects the air dryer from over-pressurization.
3. Regeneration Valve: Controls regeneration of the desiccant by allowing air from the
supply and secondary tanks to bypass the outlet check valve.
4. Heater Power Harness: Twelve-inch cable with a Metri-Pack plug provides an electri-
cal connection to air dryer heating unit.
In extreme cold, verify that the air dryer heater is in good working order. The 100-watt heater in the
air dryer is controlled by ignition power. The heater turns on below 45° F and off when the air dryer
temperature is above 86° F. The fuse for the heater is located in the front electric bay, roadside.
WARNING:
Remove all pressure from the air system before disconnecting any component, including
the desiccant cartridge. Pressurized air can cause serious personal injury.
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