OT carburetor question

Posted by DT on October 27, 2009, 2:39 pm

>Yep that is the stuff. I knew it was nasty, that is why they called it
>a hot tank. Thanks.

They called it a hot tank because the real ones were heated. We had a giant
one that you could nearly put a car into. It used heated trichlorethane or
trichlorethyelene. The tanks had cool water jackets around the top and this
would condense the vapors (somewhat). As you lowered the parts in a basket
into the tank, when they hit the vapor level they would start cascading with
hot condensed thrichlor and the paint and grease would nearly burst off the
parts. NASTY, NASTY, stuff. Needless to say, they are probably illegal now.

--
Dennis

Posted by on October 27, 2009, 4:24 pm

wrote:

>>Yep that is the stuff. I knew it was nasty, that is why they called it
>>a hot tank. Thanks.

>They called it a hot tank because the real ones were heated. We had a giant
>one that you could nearly put a car into. It used heated trichlorethane or
>trichlorethyelene. The tanks had cool water jackets around the top and this
>would condense the vapors (somewhat). As you lowered the parts in a basket
>into the tank, when they hit the vapor level they would start cascading with
>hot condensed thrichlor and the paint and grease would nearly burst off the
>parts. NASTY, NASTY, stuff. Needless to say, they are probably illegal now.

I still have some 1.1.1 trichloroethane and it does a great job on
grease but not so much on carb varnish.

Posted by mm on October 26, 2009, 1:55 am

On Sun, 25 Oct 2009 21:44:12 -0400, gfretwell@aol.com wrote:

>Back in the olden days you could take a carburetor to the shop and
>they would put it in "the hot tank". It came out looking brand new
>(the casting). Does anyone know what that chemical was?
>I know to take a Holley Dual feed you needed a gallon or more of it
>but I am just interested in little weed eater carbs that would fit in
>a tea cup.
>.

I had some of that stuff in the 60's but havent' been able to find
something as strong, afaict. At least in the one quart size.

But be sure to store the can someplace where its leaking won't cause
harm. Even the weaker stuff I've bought has eaten through the can.
Two different cans I think.

Posted by RBM on October 26, 2009, 6:55 am

> Back in the olden days you could take a carburetor to the shop and
> they would put it in "the hot tank". It came out looking brand new
> (the casting). Does anyone know what that chemical was?
> I know to take a Holley Dual feed you needed a gallon or more of it
> but I am just interested in little weed eater carbs that would fit in
> a tea cup.
> .In my area they used Safety Kleen :
>

http://www.safety-kleen.com/products/CleaningEquipment/Pages/CleaningEquipment.aspx

Posted by Bob Villa on October 26, 2009, 7:35 am

On Oct 25, 8:44=A0pm, gfretw...@aol.com wrote:

> Back in the olden days you could take a carburetor to the shop and
> they would put it in "the hot tank". It came out looking brand new
> (the casting). Does anyone know what that chemical was?
> I know to take a Holley Dual feed you needed a gallon or more of it
> but I am just interested in little weed eater carbs that would fit in
> a tea cup.
> .

If I remember correctly...it was lacquer thinner or methylene chloride
and methanol. Which would destroy all the plastics except
polyurethane.

bob_v

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OT carburetor question - Page 3