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| Author |
Message |
    
john birutta
| | Posted on Saturday, March 31, 2001 - 06:58 pm: | 
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Does any one have knowledge of how I may get the varnish and crud buildup out of the 60 & 30 gal. monel fuel tanks installed in my 1964 28" Pearson?
I managed to get them out of the boat and was able to flush most of the big stuff and some of the varnish off of the walls using an alkaline cleaner. However the varnish/crud still remains and I am told that it will be impossible to get them clean due to the baffling,etc.
None of the radiator shops want to or can't handle them and I havn't had much luck with truck repair shops either. Thanks for any help.
John @ Barnegat,nj |
Tom Mundy (Boatmotor)
| | Posted on Saturday, March 31, 2001 - 08:53 pm: |
|
Hi John On my small outboard tank I use diesel
fuel conditioner works pretty good breaking
breaking the varnish loose. Regards tom |
Tony Delio
| | Posted on Monday, April 02, 2001 - 03:31 pm: |
|
John,
I don't know if this will help in your case, but I have seen quite a few people use this technique to loosen up the varnish inside fuel tanks.
They use a cleaner as you have done, but they also put a fair amount of ordinary gravel into the tank. The gravel acts as an abrasive agent as they move the tank around. Usually it pays to prop the tank up on something that facilitates this process such as a large cardboard box or a piece of foam or styrofoam.
They might spend several days cleaning the tank a little at a time, letting it rest in different positions so the cleaner loosens the varnish, and then spending a few minutes rocking the tank numerous times each day.
After your satisfied that the tank is clean you remove the gravel by whatever means you can think of. This part can be the most difficult, but it can be done. A few pieces of gravel in the tank wouldn't hurt anyway.
I don't know if you can adapt this to your situation, but it may give you some ideas.
Tony |
Fred Bear
| | Posted on Saturday, April 07, 2001 - 11:39 am: |
|
Suggestion:
Put various sizes(whatever you have)steel nuts in the tank. Count them!
Can you suspend it with rope to make the sloshing around easier?
When you are finished you can recount the nuts to make sure you have them all removed. It worked for me in similar situations.
Fred |
Lloyd
| | Posted on Sunday, April 08, 2001 - 11:34 am: |
|
Hi John
You can go to the Auto parts an get a gal can of carb cleaner(the one with the basket in for parts)pour the cleaner in the tank and let it stand for about an hour.Then roll the tank to an other place that needs cleaned untill the tank is clean.Thats the easiest way I'v tried them all.And it works. |
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