[sdiy] Loctite 648 on fader knobs?

Oren Leavitt obl64 at ix.netcom.com
Thu May 14 21:22:20 CEST 2015


On 5/14/15 2:10 PM, KA4HJH wrote:
> On May 14, 2015, at 2:32 PM, Hugh Blemings <hugh at blemings.org> wrote:
>
>>> I'm thinking of using a small dot of  Loctite 648 but wanted to know
>>> if there's a better solution?
>> A bit of a hack but a piece of tissue or regular paper appropriately folded has been of assistance to me in these situations in the past.
> Yes, a shim is the way to go. Here’s how I would do it:
>
> Get some mylar adhesive tape, like Scotch Magic Tape. Wrap a few turns around the shaft, enough that the knob won’t slide on. Peel some of the tape back and cut it off with an X-Acto knife. Try the knob again. Repeat this until the knob fits snugly. Once you know exactly how much tape to use you can finish the rest of them quickly.
>
> This type of tape has an adhesive that doesn’t dry out and mylar is very stiff so rocking the knob around shouldn’t work it loose it for a long time, if ever.
>
>
> Terry Bowman, KA4HJH
> "The Mac Doctor"
>
>
I recall the old PAiA construction manuals suggesting this method in the 
case where the push on knobs were loose on the pot shaft.

- Oren



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