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OfflineBreakfastClub
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Registered: 10/23/07
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Making a gasket for an AA pressure cooker
    #7746411 - 12/11/07 06:39 PM (16 years, 1 month ago)

Ok I got this AA cooker from a yard sale about 2 months ago.... It will not hold a seal on the one part of the bowl....

Do you think I could make a gasket from say RVT gasket sealer over the part that is not holding the seal?

I am about to scrap it and this is a last ditch effort.... Comments?


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OfflineRogerRabbitM
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Re: Making a gasket for an AA pressure cooker [Re: BreakfastClub]
    #7746424 - 12/11/07 06:42 PM (16 years, 1 month ago)

What kind of AA has a gasket?
RR


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InvisibleFooMan
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Re: Making a gasket for an AA pressure cooker [Re: BreakfastClub]
    #7746436 - 12/11/07 06:44 PM (16 years, 1 month ago)

All American PC's don't have gaskets. They use a "metal-to-metal" seal.

Edited to add: When it comes to pressure cookers, I wouldn't make homemade modifications unless danger is your middle name.


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Edited by FooMan (12/11/07 06:46 PM)


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OfflineBreakfastClub
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Re: Making a gasket for an AA pressure cooker [Re: RogerRabbit]
    #7746437 - 12/11/07 06:44 PM (16 years, 1 month ago)

Let me re-word this

I got an AA from a yard sale for $8

It has a ding on the lip of the bowl and will not hold a mettle to mettle seal. I have sanded it and lubed it over 100x and still leaks....

This is my last idea....


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OfflineNibin
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Re: Making a gasket for an AA pressure cooker [Re: BreakfastClub]
    #7746444 - 12/11/07 06:45 PM (16 years, 1 month ago)

Phone up the manufacturers and ask what can be done.


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OfflineRogerRabbitM
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Re: Making a gasket for an AA pressure cooker [Re: BreakfastClub]
    #7746450 - 12/11/07 06:46 PM (16 years, 1 month ago)

If it's a ding, I'd suggest filling it in with JB Weld, and then after it cures for a day or two, sand it down to match the rest of the lip.
RR


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OfflineBreakfastClub
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Re: Making a gasket for an AA pressure cooker [Re: Nibin]
    #7746451 - 12/11/07 06:46 PM (16 years, 1 month ago)

Since it is a older model (pressure release valve) they said I would need to replace the bowl.... $180 price tag....


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OfflineBreakfastClub
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Re: Making a gasket for an AA pressure cooker [Re: RogerRabbit]
    #7746456 - 12/11/07 06:47 PM (16 years, 1 month ago)

Quote:

RogerRabbit said:
If it's a ding, I'd suggest filling it in with JB Weld, and then after it cures for a day or two, sand it down to match the rest of the lip.
RR




THANK YOU!!!!!!

I never thought of that.... how silly of me :grin:


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InvisibleFooMan
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Re: Making a gasket for an AA pressure cooker [Re: RogerRabbit]
    #7746464 - 12/11/07 06:49 PM (16 years, 1 month ago)

Thats something I would never have thought of. Nice!


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OfflineNibin
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Re: Making a gasket for an AA pressure cooker [Re: BreakfastClub]
    #7746468 - 12/11/07 06:49 PM (16 years, 1 month ago)

Did you post a similar question a couple of weeks ago? I'm getting terrible dejà vu


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OfflineBreakfastClub
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Re: Making a gasket for an AA pressure cooker [Re: Nibin]
    #7746496 - 12/11/07 06:55 PM (16 years, 1 month ago)

Yes I did.... Machine shop was said about 20 times.....

They wanted $70 for the 1 hour of work (they were the cheapest of the three I called)


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InvisibleJaComet
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Re: Making a gasket for an AA pressure cooker [Re: BreakfastClub]
    #7748059 - 12/12/07 05:07 AM (16 years, 1 month ago)

RR’s pretty much got it. JB Weld is good stuff although I would use high temp Lab Metal, only because I have it around.

The sanding could be a little tricky depending on how much JB you have to work over. I would suggest a gentle filing first then some 800 or finer wet and dry. Note the mating face is not a straight surface but has a slight ball socket grind. ( at least on my OLD work horses. Mine are all 30 to 50+ years in age )

Give the PC a run to check for steam leaks. would lubricate the mating surfaces with Grape Seed oil just for testing purposes. Lecithin spray might also work.

If you got a leak I would lap the lid to bowl a few strokes. Depending on severity of leak some Clover or other Fine lapping compound could be used followed by some White Diamond if needed.

Put a small amount of compound on the damaged area and maybe some cooking oil around the rest of the mating surface for lubrication. Rock the lid laterally ( up and down ) and move back and forth radially as well. A dozen licks or so should do it.

Clean surfaces and re test.

Good luck.


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OfflineBreakfastClub
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Re: Making a gasket for an AA pressure cooker [Re: JaComet]
    #7750293 - 12/12/07 05:23 PM (16 years, 1 month ago)

Ok I added and sanded some JB Weld, I still have leaks but I must say out of a possible 100% I am at 90%.

I think that a few more spots to fix but it is working!!!

I just like to update and thanks RR for his help :smile:


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InvisibleSillicybin
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Re: Making a gasket for an AA pressure cooker [Re: BreakfastClub]
    #7750875 - 12/12/07 07:05 PM (16 years, 1 month ago)

Another option would be to take it to a machine shop and have them mill it flat. Not sure if it'd be worth the price though.


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Invisiblederx
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Re: Making a gasket for an AA pressure cooker [Re: Sillicybin]
    #7751230 - 12/12/07 08:32 PM (16 years, 1 month ago)

also, you should load up the seal heavily with vasoline. This will help seal the metal.


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OfflineBreakfastClub
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Registered: 10/23/07
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Re: Making a gasket for an AA pressure cooker [Re: derx]
    #7751657 - 12/12/07 10:15 PM (16 years, 1 month ago)

I have tried both machine shopping and heavy  :stonedjerk:

I am waiting for my second try to cure but it seems to be working sooo good.

All in all I am getting a AA 921 for $12 after small expenses, not bad :wink:


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