I pulled a similar fan and there were a few screws holding the two
sliding halves together. Easiest for me was to cut the metal in a few
places with a sawzmost loaded with a fine toothed blade (I wasn't trying
to save any of the existing unit). And if the fan is/was controlled with
a pull chain do be careful around the live wires. Full disclosure: I
enjoy destructive demolition.
Regards,
Mark Miller 707-490-5834
markmiller@threeboysfarm.com
>
> Today's Topics:
>
> 1. Removing old bathroom wall extractor fan (Jim Franklin)
>
> Hi all...I'm trying to remove this wall fan in a 200 year old house. It vents
> into the "garage" right behind some cast iron drain pipes and those pipes are
> blocking me from just pulling it straight out so I'm trying to pull each half
> out from its respective side of the wall. (I don't know how they installed
> it- I would have expected the pipes to pre-date the fan but the fan is
> probably 70s vintage so maybe the fan predates PVC and plumbing was added in
> the years between the fan and PVC).
>
> Anyway, the fan looks to be this style/model:
>
> https://www.google.com/imgres?imgurl=https%3A%2F%2Fpbs.twimg.com%2Fmedia%2FCu8OhTtUkAEajfy.jpg&tbnid=JxaOVMSud28bgM&vet=10CBYQMyhyahcKEwig3Jb9mvX_AhUAAAAAHQAAAAAQAg..i&imgrefurl=https%3A%2F%2Ftwitter.com%2Fd0n_r%2Fstatus%2F787864510031769600&docid=1TasVlklGIo5zM&w=1200&h=673&q=original%20bathroom%20wall%20fan&client=firefox-b-1-d&ved=0CBYQMyhyahcKEwig3Jb9mvX_AhUAAAAAHQAAAAAQAg
>
> It appears that the fan is in two sliding pieces so it can adjusted to the
> thickness of the wall, but I'm having a real hard time separating the two
> halves even though I don't see any mechanical fasteners holding them together
> such as screws you'd see on ductwork. I can't see the outer perimeter of the
> fan because of plaster, insulation, etc.
>
> My question is, if you've come across this type of fan before, and are there
> any other interlocking mechanisms that might be holding them together or is
> it just 50 years of crud? Prying on the inside half's rolled lip just makes a
> lot of "dust" when the pry bar eventually slips.
>
> I'll attach the best photo of mine I could take but I don't think it will be
> of any use. The nut/bolt you see is only holding an outlet to the vertical
> bar and also the bathroom side cover, and was removed.
>
> thanks,
> jim
>
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> Subject: Digest Footer
>
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> ------------------------------
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> End of Shop-talk Digest, Vol 17, Issue 109
> ******************************************
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