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Old 10-25-2007, 09:42 PM   #1
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1991 34' Limited
Port Orchard , Washington
Join Date: May 2007
Posts: 126
Question Cleaning a VERY DIRTY A/C.....

Well I have a lot of the interior of my 1991 34' Limited Edition cleaned up.
The carpets, curtains ,blinds and all uphostery are all in the garbage.
The cabinets & walls/ceilings have all cleaned up with 2 SCRUBBINGS.

Now I need some advise on the A/C .
This AS was smoked in. The previous owner must have smoked 14 paks a day to get this much crud in it.
The interior of the A/C is solid tabaco tar.
My questions:
Will spray electrical cleaners harm the A/C ? I don't think so but not sure.
Is there an interior shroud available? This one has the clips that hold the filters in place broken off.
Also an exterior shroud? Is one available? This one is UV damaged.

Or would I just be better off to buy a new one and chuck out this old dirty thing?

Thanx in advance.

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Old 10-25-2007, 10:28 PM   #2
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1963 16' Bambi
Yreka , California
Join Date: Mar 2006
Posts: 1,870
I have no idea about your A/C.... I would tend to remove it, disassemble it, steam clean the parts, reassemble and reinstall if it still works... but others may have a better solution. Getting rid of smoky stuff is difficult.... sounds like you have been working hard!

Post some pictures of the progess ~ we love pictures here!

Mrs. NorCal Bambi (traveling in S Tardis ~ from the Great State of Jefferson)

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Old 10-26-2007, 03:20 AM   #3
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2014 25' Flying Cloud
Cuddebackville , New York
Join Date: May 2007
Posts: 2,662
Images: 21
They sell sprays made for cleaning the fins on A/C units. It ought to be safe for the other parts. Check with a local HVAC supplier.
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Old 10-26-2007, 06:27 AM   #4
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Naples, FL , Hood River, OR
Join Date: Dec 2005
Posts: 6,802

Since the air gets pushed over the evaporator coils to get cooled before entering the trailer, I would get a couple of cans of A/C coil cleaner and use it liberally on all of your coils. Be very careful on these coils and fins as they are made from very thin metal and will very easily distort and negatively effect the efficiency of your unit.

Also, I would clean all of the air passages in and out of the trailer within the A/C and toss the filters and replace them.

Hopefully, all of that tobacco crud will be removed, along with the smell .

Let me know if you can't find the coil cleaner.
Lew Farber...RVIA Certified Master Tech...ABYC Certified Master Marine Electrician
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