03-04-2017, 02:25 PM
To be more precise....
interior air doors,
exterior door,
toilets,
slide seals around the slides to keep out water and critters,
and dump valve.
In addition some coaches use air to slide out the joey beds, basement freezers and basement refrigerators.
The air system is closed so once aired up it only loses air through the use of one of the above and leaks. The onboard air compressors (120V and 12V) are set to come on automatically, and turn off when the air reaches proper pressure.
interior air doors,
exterior door,
toilets,
slide seals around the slides to keep out water and critters,
and dump valve.
In addition some coaches use air to slide out the joey beds, basement freezers and basement refrigerators.
The air system is closed so once aired up it only loses air through the use of one of the above and leaks. The onboard air compressors (120V and 12V) are set to come on automatically, and turn off when the air reaches proper pressure.
Bill Johnson
Birmingham, Alabama