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The Coin Return => Tutorials & Tips => Topic started by: chris in Bama on July 13, 2017, 08:38:44 pm



Title: sealing tar inside my cooler after tank removal
Post by: chris in Bama on July 13, 2017, 08:38:44 pm
Can someone tell me about this "sealing" tar that is on the inside of my Westinghouse cooler? (along many joints & seams of the body)  My questions are;
1. what was it for?
2. before media blasting, what needs to be removed (some of it, all of it?)
3. Does anything need to go back in it's place?
Thanks


Title: Re: sealing tar inside my cooler after tank removal
Post by: Slapshot42 on July 14, 2017, 08:05:41 am
The tar was essentially a sealant for the tank liner .  When preparing the machine for sandblasting I use a sharp putty knife and remove as much as possible.  During reassembling I use an automotive seam sealer .


Title: Re: sealing tar inside my cooler after tank removal
Post by: Zach on July 14, 2017, 09:34:04 am
3M or the Dynatron seam sealer work great, most auto parts stores have it. Somewhat expensive stuff but if you store it correctly it will last.


Title: Re: sealing tar inside my cooler after tank removal
Post by: Ltransam on July 14, 2017, 01:22:38 pm


I found scraping as much off as possible then a Good Citrus cleaner will dissolve the rest


Title: Re: sealing tar inside my cooler after tank removal
Post by: chris in Bama on July 14, 2017, 06:12:38 pm
thanks to all that replied, i found in another related thread (i hadn't seen), the use of DX330 to remove the tar. I picked up a quart today, got as much off as i can with a putty knife. will try this solvent tomorrow. how about covering the seams with air duct tape?


Title: Re: sealing tar inside my cooler after tank removal
Post by: Slapshot42 on July 14, 2017, 09:52:12 pm
thanks to all that replied, i found in another related thread (i hadn't seen), the use of DX330 to remove the tar. I picked up a quart today, got as much off as i can with a putty knife. will try this solvent tomorrow. how about covering the seams with air duct tape?

I think the tape would not be as durable long term.  A tube of seam sealer shouldn't break the bank!