Forgot on last weeks trip, it rained steady one night while camping and now my air horns quit. I hear the air on top when I depress the horn button but no sound out of the horns. They are the original horns and worked before the rain.
Any ideas? Is there a rebuild kit? They look brand new, hate to change them out
Thanks
My WAG, but either the air hose(s) worked loose, or the diaphragm(s) are blown. Parts are available. edit...removed bad url link.
Here is a post as to how to clean and inspect
Weak Horn (https://www.foreforums.com/index.php?topic=34158.msg313426#msg313426)
Mike
I'll give them a check. Thanks
Start by checking the electrical connections at the solenoid that controls air to the horns. The horn button opens the solenoid to allow air to the horns. Check for power there AND a good ground.
Happened on ours when a wire came off. Push horn button and listen for solenoid.
Pierce
Yes, I can hear the air at the horns just no sound out of them
If the solenoid is passing air to the horns, then follow Mike's advice in post #2.
Mine were terribly rusty. Replaced them
Link to Hadley:
Technical Docs - Hadley (https://hadleyadvantage.com/support/technical-docs/#compressorfaq)
pulled the back cover off and all is clean. Where does the air hose actually attach to the horns on the roof? I didn't see it in the rear cover
The yellow (I think) tubing that supplies air to the horns connection is up in the compartments right below the rear of the horns. Undo the fittings and check for air when you push the horn on the steering wheel. I had mine off when I painted the roof.
Pierce
The yellow tubing for my Hadleys is in the forwardmost upper compartments. Right above my blender and food processor.
Yes, and easy to get at.
P
Passenger side is where I hear the air. So, right upper corner or above the door cabinet?
Look at the window behind the passenger's seat. Now look straight up at the front of the window, slide the cabinet door back and there will be a yellow tube coming out of the wall and then into a 90 degree fitting. the nut takes a 1/2" wrench to loosen. The coach is outside so I can take a photo if necessary.
Pierce
Ok. Found a round access hole in the cabinet above the door. Removed the screws and walla! the air tube is not in the fitting to the horn. Now if I can figure out how to find the tube as it is not in the conduit maybe I can just reconnect it and move onto my dash gauge lights out. Looks like fuse 20, may be the instrument gauge lights, not 25.
Put your head into the compartment and listen while someone pushes the horn to see if you can hear it inside the wall.
Pierce
Success!!!!! There are round removable covers under both air horns in the cabinets. Both were probably never tightened at the factory or both worked loose on the brass nuts holding the tubing into the 90 degree bend. I didn't know it but I only had one horn anyway. They are really sweet when both work! Texters beware at green lights, I will use them to get you to move!
Thanks for all the help