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**Reel Slots** Gaming Machines => Bally Electromechanical => Topic started by: Herbie21 on June 30, 2021, 02:22:49 PM

Title: neoprene piston cup seal
Post by: Herbie21 on June 30, 2021, 02:22:49 PM

hi boys,

is there any solution for a dissolved cup seal is there any NOS or aftermarket optios or some other solutions? I don't like the feel without anything on the piston.

cheers Herbie

Title: Re: neoprene piston cup seal
Post by: GOS on June 30, 2021, 02:45:31 PM

check with BADBAUD aks K-LAR

Title: Re: neoprene piston cup seal
Post by: Paul on June 30, 2021, 02:46:28 PM

Some have used the proper sized brake cup seal and just cut the hole out in the center.

Title: Re: neoprene piston cup seal
Post by: slcjeeper on July 01, 2021, 05:48:29 AM

A 15/16” brake piston seal works. Use a 1/2” punch or if you have a piece of 1/2” copper pipe lying around, sharpen the end and that will punch it as well. An easy route is EBay. There is a seller in New Mexico who lists them.

Title: Re: neoprene piston cup seal
Post by: keystone9 on July 01, 2021, 07:26:51 AM

Remove it and clean up the piston. You don't need any seal. It works just fine.

Title: Re: neoprene piston cup seal
Post by: Badbaud on July 01, 2021, 07:56:24 AM

I found the attached on the web.

Title: Re: neoprene piston cup seal
Post by: RiseLikeRa on July 02, 2021, 06:44:54 AM

GOS:

I just used my last one that Badbaud suggested over the weekend.  Once changed they do not go bad again for decades.  I still have some games that I put the cups on in 2005 and the cup looks new.  Keystone is correct also, as usual.  The game works perfectly fine without the cup in the piston.  The handle returns slightly faster though.  Remember to clean out, without enlarging, the small hole in back of the piston tube.

Stay well and healthy.
Ra