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Old 07-16-2017, 03:01 PM   #1
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Air conditioner makes the boat smell

We turn on the AC while at the dock. A strong odor of a fuel smell is in the air.
Your help on this topic will be most appreciated
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Old 07-16-2017, 04:28 PM   #2
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First ignorant guess....

AC doesn't have fuel. My guess is that it is moving air around from an area that does have fuel. Look for any sign of a fuel leak around tanks/filters/engine. I hope you have diesel.
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Old 07-16-2017, 04:30 PM   #3
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Diesel thankfully
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Old 07-16-2017, 04:32 PM   #4
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Only takes a few drops
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Old 07-16-2017, 04:36 PM   #5
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During the survey a little diesel spilled on the carpet. Any suggestions for cleaning this ?
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Old 07-16-2017, 04:39 PM   #6
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Quote:
Originally Posted by ChesapeakeGem View Post
During the survey a little diesel spilled on the carpet. Any suggestions for cleaning this ?


http://www.cleaningupoil.com/products/os-spill-kits/

I bought this stuff last year and have found it works just as well as advertised.
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Old 07-16-2017, 04:39 PM   #7
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Quote:
Originally Posted by dhays View Post
http://www.cleaningupoil.com/products/os-spill-kits/

I bought this stuff last year and have found it works just as well as advertised.


Thank you
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Old 07-16-2017, 05:09 PM   #8
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Agree with dhays. Your AC system pulls interior air from throughout the boat, re-cooling it and blowing back into the cabin. The fumes are likely being pulled up from below deck when the unit(s) are running. When off, the fumes stay low.
It would not take much fuel - diesel has a pretty strong odor - but this should certainly be corrected.

I suppose it's possible that you could have someone turn on your bilge blower and see if you smell the same thing wherever that air exits.

Don't know the age of your boat so a leak could be at a fuel fill line, a fuel tank, etc. etc. Unless there's a diesel-y rag laying around.
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Old 07-16-2017, 07:57 PM   #9
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Quote:
Originally Posted by ChesapeakeGem View Post
During the survey a little diesel spilled on the carpet. Any suggestions for cleaning this ?
I just have to ask, how did diesel fuel spill on the carpet during the survey? In what room did it do so?
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Old 07-16-2017, 08:11 PM   #10
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Another thought. Have you turned on your sump pumps when running the AC? Depending on design your condensation may run into your sump pumps to be pumped overboard. If you have not turned on the sump breakers while running the AC (thinking they are only used for showers) it will then run into the bilge and mix with whatever you have there.
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Old 07-16-2017, 09:29 PM   #11
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My long earlier note was slow to post, but I'm glad it's just on the carpet.
There is a product at Lowes and/or Home Depot called Capture - a "dry cleaning" powder for carpet. Comes in a small bucket. I have had good luck with it but diesel might be beyond its capability. Still...it's under $10.
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