gundog99 Posted October 10, 2021 Share Posted October 10, 2021 I will Loctite all the brass fittings to make sure they are air tight on my Stewart Vacuum tank ; I also want to replace the Gasket between the top and the body of the tank. What thickness should this gasket be (mm)?" Link to comment Share on other sites More sharing options...
nearchoclatetown Posted October 10, 2021 Share Posted October 10, 2021 BUY the gasketS, don't Locktite anything. 1 1 Link to comment Share on other sites More sharing options...
JACK M Posted October 10, 2021 Share Posted October 10, 2021 If you use the correct locktite (brand) maybe. Not the thread lock. I suggest that black (dark brown) gasket sealer that NAPA sells. Its a great sealer for threaded parts. Also makes for easy disassembly down the road. Link to comment Share on other sites More sharing options...
gundog99 Posted October 10, 2021 Author Share Posted October 10, 2021 I was thinking of using Loctite 243 and Flexoid gasket paper (oil and fuel resistant) Link to comment Share on other sites More sharing options...
Johan Boltendal Posted October 10, 2021 Share Posted October 10, 2021 use the rubber cork 1.5 mm worked then works now 2 Link to comment Share on other sites More sharing options...
TonyAus Posted October 10, 2021 Share Posted October 10, 2021 Replace BOTH gaskets - either side of the inner tank. Link to comment Share on other sites More sharing options...
Johan Boltendal Posted October 10, 2021 Share Posted October 10, 2021 No need for that only one gasket was and is used, inner tank inplace gasket on top of both , top cover on, done. Link to comment Share on other sites More sharing options...
Minibago Posted October 10, 2021 Share Posted October 10, 2021 The major issue with the Stewart Vacuum tank is the cracking or breaking up of the pot metal top. As Doug says, please, “DO NOT LOCTITE ANYTHING” Permatex non hardening Aviation form a gasket sealer is very good, use sparingly as it stays sticky and is difficult to remove from clothing, skin etc. 2 Link to comment Share on other sites More sharing options...
Ron Lawson Posted October 10, 2021 Share Posted October 10, 2021 1 hour ago, TonyAus said: Replace BOTH gaskets - either side of the inner tank. Tony , The later tanks only have one gasket Link to comment Share on other sites More sharing options...
nearchoclatetown Posted October 10, 2021 Share Posted October 10, 2021 Yes Ron, some have one and others two. I don't know which one he has but they are sold as a pair. Link to comment Share on other sites More sharing options...
Ron Lawson Posted October 10, 2021 Share Posted October 10, 2021 56 minutes ago, nearchoclatetown said: Yes Ron, some have one and others two. I don't know which one he has but they are sold as a pair. Doug, Yes that's correct From the information that I have managed to absorb from yesteryear books the early tanks used 2 gaskets and the later tanks only one If the tank on Gundogs car is the same as mine it should only be the one Link to comment Share on other sites More sharing options...
edinmass Posted October 11, 2021 Share Posted October 11, 2021 Just buy the rebuild kits that are offered. It’s very easy to plug the vent channel............don’t overthink a 1915 design. The thing is open to atmosphere 98% of the time, no need for any type of sealer. Look here....... http://www.classicpreservation.com/vactankkits.html 3 Link to comment Share on other sites More sharing options...
JACK M Posted October 11, 2021 Share Posted October 11, 2021 18 hours ago, Minibago said: The major issue with the Stewart Vacuum tank is the cracking or breaking up of the pot metal top. As Doug says, please, “DO NOT LOCTITE ANYTHING” Permatex non hardening Aviation form a gasket sealer is very good, use sparingly as it stays sticky and is difficult to remove from clothing, skin etc. I use this stuff on most threads. And gaskets. Makes things seal and easy to get loose down the road. But yes, sticky and takes lacquer thinner to clean up. 2 Link to comment Share on other sites More sharing options...
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