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Boiler Support Expansion Shoe
https://www.rypn.org/forums/viewtopic.php?f=1&t=38358		 Page 1 of 1
Author:  softwerkslex [ Sun Jul 26, 2015 6:15 am ]
Post subject:  Boiler Support Expansion Shoe
What is the correct term for this?

Anyway, here is a repair question. The firebox is supported by a sliding surface for expansion. There is a bronze surface on the frame, and a steel shoe on the mudring. The original installation was threaded into the mudring with countersunk bolts. The threads were deteriorated and someone has suggested to drill out the threads (already done), and put the shoe in loose with pins for alignment in the holes.

Is this going to work? My feeling is it was originally bolted for a reason.

Attachments:
File comment: The new shoe, with alignment pins.
photo 1.JPG
photo 1.JPG [ 48.74 KiB | Viewed 3957 times ]
File comment: The mudring, with old holes, now drilled out.
photo 2.JPG
photo 2.JPG [ 50.11 KiB | Viewed 3957 times ]
File comment: The frame support, bronze.
photo 3.JPG
photo 3.JPG [ 52.6 KiB | Viewed 3957 times ]
Author:  Dave [ Sun Jul 26, 2015 9:52 am ]
Post subject:  Re: Boiler Support Expansion Shoe
When you lift the boiler on to the frame they won't drop off the mud ring if they are screwed into place. Other than that, probably once squeezed between the frame and mud ring the pins should prevent them from sliding out sideways......
Author:  Pegasuspinto [ Sun Jul 26, 2015 3:27 pm ]
Post subject:  Re: Boiler Support Expansion Shoe
As the boiler moves, the plate will likely be able to shift slightly because it won't be possible to make the pins that tight of a fit. Over time, the plate will start to oval the holes and wear into the mudring. Making the boiler into a wear part like that just seems like a bad idea
Author:  mldeets [ Sun Jul 26, 2015 7:35 pm ]
Post subject:  Re: Boiler Support Expansion Shoe
I have most often heard these items referred to as furnace bearers. mld
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