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FC (Forward Control Unique Issues) If you have a unique issue with your FC model coach and it can't be answered in one of the other forums here, then this is where you can list it.......List your FC Parts here too.

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  #1  
Old 09-12-2014
Crankous Crankous is offline
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Default Stuck on the road in the Tehon pass with no air system. HELP

We dove last n ight a few hours on our way to Monterey. Parked the coach and woke up this morning and fired her up and I'm not building any pressure on the 2 air gauges. Not sure exactly where to start.... any help would be appreciated. I still am showing some reserve pressure on the two gauges. Just not building any additional/new pressure.
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Beau Clark
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1980 FC35SB NA sold
1984 FC35SB Turbo (full timing it)
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Old 09-12-2014
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Ernest Ekberg Ernest Ekberg is offline
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do you hear any air escaping from outside?
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Old 09-12-2014
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susanmarycamilleri susanmarycamilleri is offline
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First check if the belts are still on the compressor pulleys. Then make sure the airline from the compressor to the tank is attached.
First things I would look at.
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  #4  
Old 09-12-2014
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Labrador Labrador is offline
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Do you hear air leaking anywhere when the engine is running? If the engine air compressor is working the air is going somewhere. It could be brakes, suspension, or an air line to either.

Since the air system is very critical it is kind of risky to try to fix it yourself if you don't know much about it. I'd suggest finding a mobile mechanic to come out and solve the problem. Google will be your best tool to fix this problem.

Good luck!
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  #5  
Old 09-12-2014
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governor?
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  #6  
Old 09-12-2014
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Quote:
Originally Posted by Crankous View Post
We dove last n ight a few hours on our way to Monterey. Parked the coach and woke up this morning and fired her up and I'm not building any pressure on the 2 air gauges. Not sure exactly where to start.... any help would be appreciated. I still am showing some reserve pressure on the two gauges. Just not building any additional/new pressure.
Do you have an Air Dryer? The spitter valve can stick open and will allow the air to escape. I have been able to get this valve to reseat by placing a hand over the exhaust port of the dryer. You can feel the pressure build if the valve is stuck open. When the pressure goes away the valve has seated its self. have you tried running the engine at a fast idle, say 1500?
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Last edited by Rick; 09-12-2014 at 11:26 AM. Reason: spelling
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Old 09-12-2014
Crankous Crankous is offline
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I do have what sounds like some air escaping near the air pump on the motor. Belts are all on. Where is the air drier located? Unfortunately my cell service is terrible here. So googling is difficult... it takes quite a while to load the WOG site.
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Beau Clark
Poulsbo, WA
1980 FC35SB NA sold
1984 FC35SB Turbo (full timing it)
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  #8  
Old 09-12-2014
Butch Charpentier Butch Charpentier is offline
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I would first throw on the generator and use your aux. air compressor and see if it builds pressure then and you can go from there.
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Old 09-12-2014
Butch Charpentier Butch Charpentier is offline
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Also if there aux. air compressor works you can use it to get to a repair shop thus saving some money.
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Old 09-12-2014
Crankous Crankous is offline
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Haha!! Just took the injectors out of our generator yesterday to have them refurbished... so that's out.
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Beau Clark
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1980 FC35SB NA sold
1984 FC35SB Turbo (full timing it)
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