Harry Mason beer engine disassembly

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Goosey
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Harry Mason beer engine disassembly

Post by Goosey » Mon Jun 19, 2023 12:34 pm

Has anyone taken one apart to fix it? I have a couple, one of which has the tendency to get stuck somehow, so I want to take it apart to have a look. I've got the cylinder out from the body of the pump, but I can't see how to actually get inside it. Does anyone know how? I think it's an 'Aston' model, but it has a cooling jacket and I can't see if the cylinder is glass or not.

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Re: Harry Mason beer engine disassembly

Post by f00b4r » Mon Jun 19, 2023 9:23 pm

Have you got some pictures of the beer engine?

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Re: Harry Mason beer engine disassembly

Post by Goosey » Tue Jun 20, 2023 8:27 am

I don't have any pics of the pump before I took it apart, but here are the bits...

Image
Image
Image

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Re: Harry Mason beer engine disassembly

Post by Goosey » Wed Jun 21, 2023 8:53 am

I just contacted Masons and they say the cylinder doesn't come apart?? This is nonsense because they sell a replacement rubber seal kit and tops and bottoms for the cylinder. :(

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Re: Harry Mason beer engine disassembly

Post by Trefoyl » Wed Jun 21, 2023 11:37 am


It looks like the cylinder tops are push fit. Reassembly at 9:50. And he breaks it so not the best video but you might be able to find a video taking it apart.
I didn’t know they have a metal cylinder, that’s nice!

https://m.youtube.com/watch?v=PIvRJ_9zkzk
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Re: Harry Mason beer engine disassembly

Post by Eric » Wed Jun 21, 2023 12:27 pm

Goosey wrote:
Wed Jun 21, 2023 8:53 am
I just contacted Masons and they say the cylinder doesn't come apart?? This is nonsense because they sell a replacement rubber seal kit and tops and bottoms for the cylinder. :(
Mason's staff were very helpful when requesting items and information to convert a Shakespeare beer pump to a standard beer engine with cylinder. My memory of those events is now rather vague, but was told my new quarter pint cylinder with cooling jacket cannot be stripped and would need total replacement if it failed. I seem to think the design proved flawless pulling a million pints, or something like that.

I have it in mind that their water cooled jacketed cylinders design might have been modified to reduce production costs, and maybe older designed cylinders with cooling jacket can be stripped.

With the cylinder out, does the pump still stick, or might the problem be alignment?
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Re: Harry Mason beer engine disassembly

Post by Goosey » Wed Jun 21, 2023 12:48 pm

Thanks for the video Trefoyl. It doesn't show how he got the top and bottom off unfortunately, but they obviously just push-on. I'll be careful!
Eric, I'll try the cylinder without putting it all back together first to see if it works okay outside of the body of it.

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Re: Harry Mason beer engine disassembly

Post by Jim » Wed Jun 21, 2023 2:08 pm

You need the follow up video as well - he got the parts and fixed it: -

https://youtu.be/QHGWcfb3_7o
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Re: Harry Mason beer engine disassembly

Post by Goosey » Wed Jun 21, 2023 2:15 pm

Jim wrote:
Wed Jun 21, 2023 2:08 pm
You need the follow up video as well - he got the parts and fixed it: -

https://youtu.be/QHGWcfb3_7o
Ha! Yes, that's better. Thank you all :)

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