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Old 22nd Oct 2006, 7:07 pm   #1
RobertsFan
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Question Potentiometer nut size (for Roberts RT1).

Can anybody tell me what tool is required to remove the RT1 tuning dial nuts?

I am guessing on a 17/32" spanner since it seems to be between 1/2" and 9/16" sizes. I have one very worn dial which I'm attempting to replace with one from a scrap RT1. Any help would be greatly appreciated. Thanks in advance.
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Old 22nd Oct 2006, 7:41 pm   #2
Station X
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Default Re: Removing Roberts RT1 tuning dial

I've never seen a 17/32" spanner. They generally come in 1/16" increments. You could try 13 and 14mm spanners which both lay between 1/2" and 9/16"
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Old 22nd Oct 2006, 8:17 pm   #3
mickjjo
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Default Re: Removing Roberts RT1 tuning dial

Hi, The correct size spanner for the standard pot nut as fitted to the RT1 is 1/4 BSW or 5/16 BSF. 14 mm may be too big and 13 mm may be too small . I must confess to normally using pliers...........

Regards, Mick.
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Old 22nd Oct 2006, 9:29 pm   #4
RobertsFan
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Default Re: Removing Roberts RT1 tuning dial

Thanks Graham,

The 13mm spanner did the job just right. Never thought to go metric!
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