K1 Front Panel Assembly: Potentiometer shaft doesn't fit

[Elecraft mailing list]

I'm in the middle of assembling a K1, and have gotten to the front panel final assembly.
The Potentiometer (type labeled 1-2-3) that I have has a threaded shaft that is too large of diameter to fit the K1's front panel. What's the best way to enlarge the hole to preserve the nice new paint?Or is there something else that I'm missing?  I have Googled for this, however nothing in the first page of results seems to mention this issue.Thanks,
Brian N9ADG

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[Vic Rosenthal]

Of course a rat tail file or tapered reamer is the usual way, but I bought a deburring tool at the hardware store. It's a tiny crescent-shaped knife with a handle that you put into a hole and rotate. You can hold it at an angle to remove burrs from drilling, or straight to enlarge a hole slightly. It can be used on straight edges after sawing, too. It takes a very small bite and does a neat job.

Vic 4X6GP

> On 16 Mar 2017, at 07:57, Brian Moran via Elecraft <[hidden email]> wrote:
>
> I'm in the middle of assembling a K1, and have gotten to the front panel final assembly.
> The Potentiometer (type labeled 1-2-3) that I have has a threaded shaft that is too large of diameter to fit the K1's front panel. What's the best way to enlarge the hole to preserve the nice new paint?Or is there something else that I'm missing?  I have Googled for this, however nothing in the first page of results seems to mention this issue.Thanks,
> Brian N9ADG
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[Don Wilhelm]

Brian,

The hole was "supposed" to have been enlarged at the factory.
Since yours was not, it is easy to enlarge.  Just take a slender knife
blade and carve off a couple of 'slices' around the inside of the hole.
The ones I have had to do take two 'slices'.

73,
Don W3FPR

On 3/16/2017 1:57 AM, Brian Moran via Elecraft wrote:
> I'm in the middle of assembling a K1, and have gotten to the front panel final assembly.
> The Potentiometer (type labeled 1-2-3) that I have has a threaded shaft that is too large of diameter to fit the K1's front panel. What's the best way to enlarge the hole to preserve the nice new paint?Or is there something else that I'm missing?  I have Googled for this, however nothing in the first page of results seems to mention this issue.Thanks,
> Brian N9ADG
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[Elecraft mailing list]

I found that a Straight Slot screwdriver works well and enlarging holes



      From: Don Wilhelm <[hidden email]>
 To: Brian Moran <[hidden email]>; Elecraft Reflector <[hidden email]>
 Sent: Thursday, March 16, 2017 8:26 AM
 Subject: Re: [Elecraft] K1 Front Panel Assembly: Potentiometer shaft doesn't fit
   
Brian,

The hole was "supposed" to have been enlarged at the factory.
Since yours was not, it is easy to enlarge.  Just take a slender knife
blade and carve off a couple of 'slices' around the inside of the hole.
The ones I have had to do take two 'slices'.

73,
Don W3FPR

On 3/16/2017 1:57 AM, Brian Moran via Elecraft wrote:
> I'm in the middle of assembling a K1, and have gotten to the front panel final assembly.
> The Potentiometer (type labeled 1-2-3) that I have has a threaded shaft that is too large of diameter to fit the K1's front panel. What's the best way to enlarge the hole to preserve the nice new paint?Or is there something else that I'm missing?  I have Googled for this, however nothing in the first page of results seems to mention this issue.Thanks,
> Brian N9ADG
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