[Boatanchors] Bristol wrench 75A4

Bob Hardie- W5UQ W5UQ at verizon.NET
Mon May 25 10:24:36 EDT 2009


My 75A4 tuning knob comes off with Xcelite 99PS-62 spline screw-driver.
Anyway, a number 62 works. 
I found that if I looked down the hole with a flashlight and gauged the 
size I need, that worked.
Otherwise, one thinks the spline is too small and goes for larger. But 
it is a very small size that fits.  In my set, it is the next to the 
smallest.

(just quoted what is on the plastic box for Xcelite 99PS-60 Spline 
Screw-driver Set)

Bob  W5UQ  Tampa

Natan Huffman wrote:
> Dear Friends,
>
>  
>
> After purchasing two "complete" set of Bristol wrenches to be used with my
> 75A4, I have yet to find one that fits correctly.  Can anyone tell me the
> number of the correct Bristol Tool that is needed to remove the tuning knob
> (4:1 spinner) on a Collins 75A4.  I believe they are identified by numbers.
>
>  
>
> Thanks all,
>
>  
>
> Natan W6XR
>
> Freeville, NY
>
>  
>
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