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Old 10-08-2014, 10:26 PM   #1
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Air horn and other air stuff.

I bought a 1997 Safari coach and it has air horns. They don't work, i believe i hear the compressor kick on when i first turn on the key and pressurize a small air tank and then shut off. However horn doesn't work. I also have a slide out stair cover that doesn't work with the switch, i notice what appears to be air hoses going to it as well. This is as much as i know. I am good with electrical stuff. I assume some sort of electric air valve opens when the horn is pressed sending air to the horns. Just don't know what this looks like or how to troubleshoot, i found a device with a couple wires going to it and like 6 air lines. One appears to come from am T fitting between the compressor and the tank. Is this the valve i am looking for or just a function or pressure cut off switch.
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Old 10-08-2014, 11:42 PM   #2
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On some coaches there is a switch that switches to air horn to electric horn and visa versa. My air horn didn't work until I found that out.

The stair cover could be jammed try moving it by hand. I recovered mine with new carpet and it would not work until I had it trimmed just right.
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Old 10-09-2014, 12:44 PM   #3
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Lubrication is also very important to both items listed.
My steps were struggling to close on a trip last year and my first thought was the motor must be going out....a quick lube at all the pivot points and they've been working great. The service book actually states to lube the steps every trip.

I had air ride on a truck and ran electric solenoids at each corner. I found that running air tool oil in my system worked best to keep them lubricated. With the age of the coach the valve may be stuck and need to be removed to give it some oil.

The device you found sounds like a manifold but does it have multiple wires or just 2? Each line will require a solenoid in order to open and close for each function if they share the same air supply. i.e. my truck had 8 solenoids. 1 for up at each corner and 1 for down at each corner... (I know...it's silly but it was fun at the time! FBSS)
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Old 10-09-2014, 08:28 PM   #4
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The device i found only has 2 wires and a bunch of hoses. I noticed some of the hoses where cut off when i followed them a little ways, but i think the ones to the air horn are still in tack. So you are saying i am looking for a solinoid that opened and close inline in the air hoses going up to the horns?
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