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Stuck Carb Slide

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Dr. Frankenstein
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Stuck Carb Slide

Post by Dr. Frankenstein » Thu Apr 26, 2018 5:46 am

I have an interesting problem: the carburetor slide in the carb of an Early model 305 is stuck/"glued" to the inside of the carburetor throat.

I have tried pulling it out with the throttle cable, and gently prying it up from the bottom, but there is very little room to get a screwdriver blade under it, and I certainly don't want to bugger up the slide, or the little notch at the bottom of it.

I have soaked it in PB Blaster, carb cleaner(one of those paint-can-sized things from the parts store), soaked it in gasoline for a long while, tried WD-40, carb cleaner, brake cleaner - all to no avail. That thing is in there TIGHT! I think it's "glued" to the carb throat with old gas residue, but I have NO idea why/how it's holding on so tight!

I don't want to pry any harder on the bottom of the slide because I don't want to damage the air/gas flow characteristics of the carb - but what else can I do??

Yes, it is entirely disassembled except for this sticky slide.

Hahnda
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Post by Hahnda » Thu Apr 26, 2018 7:14 am

Try a heat gun. If you don't have one a hair dryer on high may even work.

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Seadog
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Post by Seadog » Thu Apr 26, 2018 7:16 am

Lacquer thinner works well or you could try an ultrasonic cleaner (but not with lacquer thinner).

Dr. Frankenstein
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Post by Dr. Frankenstein » Thu Apr 26, 2018 8:38 am

Heat gun?? Have you tried this successfully before?

Hahnda
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Post by Hahnda » Thu Apr 26, 2018 8:42 am

I use a heat gun on stuck slides all the time. Usually takes about 30 seconds and they slide right out.

Dr. Frankenstein
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Joined: Tue Feb 02, 2010 7:11 pm
Location: Charlottesville, VA

Post by Dr. Frankenstein » Thu Apr 26, 2018 8:55 am

Does it matter which setting, High or Low..? I just don't want to damage it, although that possibility is probably pretty remote...

Hahnda
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Posts: 835
Joined: Wed Nov 02, 2005 2:36 pm
Location: Cameron, WI

Post by Hahnda » Thu Apr 26, 2018 9:01 am

I use the high setting but low is probably safer. You just need to be smart about it. You would have to sit there quite a while with the gun on the carb to start doing some damage. It goes quicker than you think. You just need to soften up that old gas glue.

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