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06-08-2012, 06:28 AM
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#1
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3 Rivet Member 
1965 17' Caravel
1965 17' Caravel
Memphis
, Tennessee
Join Date: May 2012
Posts: 208
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Painting Refrigerator
Renewing a 1965 Caravel. Pulled the old frig out, cleaned the pilot/burner and now she is working again! I am so happy!!! The back and sides have some surface rust. Will it hurt anything to shoot some Rustoleum to inhibit the spread of more rust? I don't want to hurt the performance but want this thing to last another 50 years.
__________________
1965 Airstream Caravel, 2003 Ford F150 SuperCrew, 2003 Miata Special Edition, 1993 Miata Black & Tan
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06-08-2012, 08:41 AM
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#2
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Rivet Master 
1974 Argosy 20
2014 20' Flying Cloud
Kooskia
, Idaho
Join Date: Jul 2009
Posts: 4,591
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Those old Dometic's can last and last. I am not sure that painting the back and sides will help anything though. Inhibiting rust on curved surfaces such as the pipes and cooling unit is a pretty difficult task, and you might just do more harm to the heat transfer than good. If it were mine, I would leave it alone. As always, this is my personal opinion and what I would do.
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06-08-2012, 10:17 AM
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#3
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3 Rivet Member
1965 17' Caravel
1965 17' Caravel
Memphis
, Tennessee
Join Date: May 2012
Posts: 208
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Yes it's hard to believe it still works. After all, it is about the same age as me. Maybe I'll just repaint the side and leave the back the way it is. I just thought if I could slow down the rust it might prevent failure down the road. It's a good time to do it since it's out on the bench. Now I'm off to try to find a thermocouple for the oven.
__________________
1965 Airstream Caravel, 2003 Ford F150 SuperCrew, 2003 Miata Special Edition, 1993 Miata Black & Tan
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06-08-2012, 10:35 AM
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#4
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Rivet Master
2006 25' Safari FB SE
Broadway
, North Carolina
Join Date: Mar 2007
Posts: 838
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ospho
A light coating of Ospho (dilute phosphoric acid, like used in Coke) will convert existing rust to an inert oxide, inhibit future rust and not significantly interfere with any heat transfer.
If the existing paint or rust is loose or scaling, knock it off first with a wire brush.
__________________
2006 Safari SE FB
2000 F150 4.2L (retired), 2011 F250 6.2L, 2010 ML550, 2000 Excursion 7.3L
Broadway, NC
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06-08-2012, 11:50 AM
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#5
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Figment of My Imagination
2012 Interstate Coach
From All Over
, More Than Anywhere Else
Join Date: Dec 2011
Posts: 10,868
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Quote:
Originally Posted by Wayward
A light coating of Ospho (dilute phosphoric acid, like used in Coke) will convert existing rust to an inert oxide, inhibit future rust and not significantly interfere with any heat transfer.
If the existing paint or rust is loose or scaling, knock it off first with a wire brush.
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Phosphoric acid is also one of the active ingredients in WD40.
__________________
I thought getting old would take longer!
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06-08-2012, 12:14 PM
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#6
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3 Rivet Member
1965 17' Caravel
1965 17' Caravel
Memphis
, Tennessee
Join Date: May 2012
Posts: 208
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That's what I'll do! I'll spray it with WD40, wipe off the excess and be done with it. Thanks!
__________________
1965 Airstream Caravel, 2003 Ford F150 SuperCrew, 2003 Miata Special Edition, 1993 Miata Black & Tan
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06-08-2012, 12:41 PM
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#7
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Figment of My Imagination
2012 Interstate Coach
From All Over
, More Than Anywhere Else
Join Date: Dec 2011
Posts: 10,868
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Quote:
Originally Posted by Jewel65
That's what I'll do! I'll spray it with WD40, wipe off the excess and be done with it. Thanks!
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Still should wire-brush it to get loose rust off before spraying with WD-40.
__________________
I thought getting old would take longer!
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06-08-2012, 03:50 PM
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#8
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3 Rivet Member
1965 17' Caravel
1965 17' Caravel
Memphis
, Tennessee
Join Date: May 2012
Posts: 208
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Will do that!
__________________
1965 Airstream Caravel, 2003 Ford F150 SuperCrew, 2003 Miata Special Edition, 1993 Miata Black & Tan
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