Best way to clean up old carb  
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All Forums >> RC Airplanes >> Beginners >> Best way to clean up old carb
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Best way to clean up old carb - 7/23/2008 3:40:25 PM   
Roo Man


 

Posts: 55
Joined: 3/4/2008
From: , TN, USA
Status: offline 		What is the best way to de-gum an old carb? I have an OS46 that has not been run for several years and the carb is locked up with what I call gum, kind of a yellow sticky stuff.

Gary

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Roo Man
WTRCF Jackson, TN
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RE: Best way to clean up old carb - 7/23/2008 3:44:08 PM   
RCKen



Posts: 14447
Joined: 7/10/2002
From: Lawton, OK, USA
Status: offline 		The "gum" is just old dried up castor oil and fuel. You can soak the carb in a little bit of fuel and it will loosen up that "gum" and remove it.

Ken

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RE: Best way to clean up old carb - 7/23/2008 4:49:22 PM   
opjose



Posts: 5494
Joined: 11/26/2005
From: Poolesville, MD, USA
Status: offline 		"Dawn Power Dissolver" REALLY works well for buildup.

You basically wash the engine/carb in it, let it sit for a while with the liquid on, then wash it off with water.

Finally you remove the water by apply something that will displace the water.

I use air to blow out the water, then WD40 followed by glow fuel and/or afterun oil.

The excess castor disappears completely and your engine/carb looks brand new too!



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RE: Best way to clean up old carb - 7/23/2008 5:13:35 PM   
brett65



Posts: 956
Joined: 12/21/2007
From: Oklahoma City, OK, USA
Status: offline 		I had a gummed up OS 25 that the carb wouldn't move at all. I sprayed it with WD-40 and let it set a minute and it loosened up as I actuated it and put more wd-40 on it.

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RE: Best way to clean up old carb - 7/23/2008 6:58:14 PM   
Roo Man


 

Posts: 55
Joined: 3/4/2008
From: , TN, USA
Status: offline 		Thanks to all.

Gary

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Roo Man
WTRCF Jackson, TN

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RE: Best way to clean up old carb - 7/23/2008 8:50:43 PM   
greybucket



Posts: 38
Joined: 1/15/2008
From: Jasonville, IN, USA
Status: offline 		I did the old antifreeze technique to clean up my old engine. Looks like I just bought it. I will probably try the Dawn Power Dissolver next time on another engine I gotta do... seems easier! lol

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