[R-390] Any advice for removing sheared machine screws...?

[Larry H]

Ooops, I meant 'tapping'  and not 'taping'.

Regards,  Larry

On Sun, Oct 3, 2021 at 4:05 PM Larry H <larry41gm at gmail.com> wrote:

> Hi Jordan,  I had 3 I had to do.  One I was able to remove by using a
> small screwdriver and taping on a burr on the end of the screw shaft at a
> 90 degree angle to get it to rotate the direction I wanted.  It was slow,
> but worked because it was not tight in the panel.
>
> The other two, I had to drill a small hole in the screw shaft and then use
> a jewelers screwdriver (that fit tightly in the hole) to remove it.
> Worked great.
>
> Good luck.
>
> Regards, Larry
>
> On Sun, Oct 3, 2021 at 11:05 AM Jordan Arndt <Outposter30 at shaw.ca> wrote:
>
>> Hi group,
>>
>> I'm trying to figure out the best way to try and remove 2 of the 4
>> machine
>> screws that hold the frequency readout "cover" on a 390A. They were
>> sheared
>> off at some point and there is not enough metal left to get any kind of
>> grip
>> with any kind of tool that I have.
>>
>> I can see that one "stub" has a central divot from a drill bit, and the
>> other is just a mangled down to where it exits the front panel.
>>
>> I will likely try to cut a slot in what's left of the metal with my
>> Dremel
>> tool, and see if I can get enough grip with a small screwdriver to
>> unscrew
>> the remnants, but I have my doubts because I expect they were badly
>> overtorqued and likely held tight in the threads...
>> I have to pull the front panel anyway, so I'll get a look at things from
>> the
>> rear of the front panel when I do that...
>>
>> Any tips or pointers out there...??
>>
>> 73...Jordan VE6ZT
>>
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>