[Boatanchors] 75A-4 Reduction Knob Problem

Joe Eide jeide at execpc.com
Sun Oct 11 11:33:20 EDT 2009


Hi Richard,

There are 2 set screws that hold the 4:1 knob onto the 4:1 gear set.  
They are Bristol screws so you will need an Xcelite #62 or equivalent.

Joe _ KB9R



Richard W. Solomon wrote:
> A friend gave me a 75A-4 to work on and one problem I see is in the
> 4:1 Reduction Knob. You can tune one way, but when you reverse the
> tuning it takes a few turns of the knob before it engages the tuning
> shaft. 
> Is it safe to assume the one small screw opening I see on the knob is
> for removal ? Never having worked on one of these I will need 
> guidance before proceeding.
>
> Thanks for any help,
>
> 73, Dick, W1KSZ
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