Hello Everyone,
I am seeking to repair a knob on an old (circa 1971) Panasonic clock radio (a model RC-6900). The good news is that I have the small, easily lost knob. The bad news is that the knob has come off a slotted post and I need to re-attach it in such a way that I won't have to worry about it coming loose again.
Here is a picture of the bare slotted post (if I have the term right) the knob should be attached to:
![Click image for larger version Name: PANASONIC RC-6900 2.jpg Views: 0 Size: 279.3 KB ID: 3313156](filedata/fetch?id=3313156&d=1721512916&type=small)
As you can see, this is an Old School selector switch, which means it's pretty stiff. Put another way: the knob has to fit very snugly on the post in order for it to work properly over the long term. Any play in the fit and I risk the knob coming loose again over time (or breaking off altogether).
As for the knob itself, here is a picture of the interior:
![Click image for larger version Name: PANASONIC RC-6900 3.jpg Views: 0 Size: 209.2 KB ID: 3313157](filedata/fetch?id=3313157&d=1721514079&type=small)
The slot you see is 1mm thick, 5mm high, and 9mm in depth.
My question is: does anyone know of a small piece of metal something-or-other approximately that size that I could work with a file so that it forms a tight friction fit?
Apart from manually filing down a small piece of metal to get it to fit tightly in that slot, I have no idea how to effect this repair in such a way so as not to damage the knob. However, if you, the person reading this, do have an idea, I am all ears.
Long story short, I am hoping this is something I can pull off with a file, a small bit of metal, and some patience - I do not have access to a Dremel or any sort of power tool to help speed things along and my budget for this, all told, is about $20 (give or take). However, what I lack in tools I can make up for in time and I don't mind spending a day or three patiently filing down a bit of metal if that's what it takes.
Any suggestions?
I am seeking to repair a knob on an old (circa 1971) Panasonic clock radio (a model RC-6900). The good news is that I have the small, easily lost knob. The bad news is that the knob has come off a slotted post and I need to re-attach it in such a way that I won't have to worry about it coming loose again.
Here is a picture of the bare slotted post (if I have the term right) the knob should be attached to:
As you can see, this is an Old School selector switch, which means it's pretty stiff. Put another way: the knob has to fit very snugly on the post in order for it to work properly over the long term. Any play in the fit and I risk the knob coming loose again over time (or breaking off altogether).
As for the knob itself, here is a picture of the interior:
The slot you see is 1mm thick, 5mm high, and 9mm in depth.
My question is: does anyone know of a small piece of metal something-or-other approximately that size that I could work with a file so that it forms a tight friction fit?
Apart from manually filing down a small piece of metal to get it to fit tightly in that slot, I have no idea how to effect this repair in such a way so as not to damage the knob. However, if you, the person reading this, do have an idea, I am all ears.
Long story short, I am hoping this is something I can pull off with a file, a small bit of metal, and some patience - I do not have access to a Dremel or any sort of power tool to help speed things along and my budget for this, all told, is about $20 (give or take). However, what I lack in tools I can make up for in time and I don't mind spending a day or three patiently filing down a bit of metal if that's what it takes.
Any suggestions?
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