[TechAssist] Re: How to repair broken split aluminum volume control shafts?
- From: Gary McCartney <gary@xxxxxxxxxxx>
- To: techassist@xxxxxxxxxxxxx
- Date: Fri, 28 Jan 2005 19:10:02 -0500
Bruce, that is a good idea, although I'm wondering if that would make
the good side of the shaft weaker, having a hole through it. I went
ahead and applied JB Weld and crimped a cable connector ring aound the
shaft at the back (behind where the knob fits on) and I'll let it cure
for a day. Will post the results after.
Gary McCartney
McCartney Electronics
Guelph Ontario Canada
Est. 1984
email: gary (at) number63.ca
Bruce Tiedeman wrote:
> Gary can you drill a small hole in each side of the shaft and epoxy a small
> pin into the hole.
> good luck,
> Bruce.
>
> B&T Electronics
> 139 Margaret St
> Sarnia Ontario
> Canada
> N7T 2Y3
> 519 344 1850
> ----- Original Message -----
> From: "Gary McCartney" <gary@xxxxxxxxxxx>
> To: <techassist@xxxxxxxxxxxxx>
> Sent: Friday, January 28, 2005 3:59 PM
> Subject: [TechAssist] How to repair broken split aluminum volume control
> shafts?
>
>
>
>>I knew I shouldn't have tried it but I did anyways.
>>
>>I have an old Pioneer stereo receiver model SA-1010 from the 70's which
>>I am working at restoring for a customer. It has a bunch of knobs on the
>>front panel for bass, treble, volume, etc. The shafts on these controls
>>are the split aluminum ones with the knerled end to fit the knob. Two of
>>these shafts are bent where the split starts, out to the end of the
>>shaft, causing the knob to wobble as it is rotated.
>>
>>I decided I would attempt to straighten these shafts by heating the spot
>>where the split starts and then gently prying the half of shaft end that
>>was bent. The first one went not too bad, but when I worked on the
>>second shaft, I guess my heat wasn't hot enough and the #$@&* piece of
>>the shaft snapped off. The other half is still attached fine.
>>
>>This control is not a simple pot that I can replace, but a propietary
>>gang switch (It is the 10khz treble control). I'm sure someone else must
>>have run into this problem before. I was thinking of using JB Weld to
>>glue the piece back on the shaft and also glueing in a permanent spacer
>>in the slit, and take an cable F connector ring and crimp it around the
>>shaft behind where the knob fits to add support. Will it last? Any other
>>ideas? I Also have a electronic problem with this machine I might have
>>to post to a separate message.
>>
>>Thanks for any help.
>>
>>
>>
>>
>>Gary McCartney
>>
>>McCartney Electronics
>>Guelph Ontario Canada
>>Est. 1984
>>email: gary (at) number63.ca
>>
>>
>>
>>
>>
>>
>>
>>
>>
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