Little help with 100k lin pot. Please?

Ok, Thanks for reading my post.

I have a Taylor 68 A/M RF and AF sig gen (valve) off eBay, cheap.

Low volume on AF and low output RF signal. Tracked it down to the volume pot obviously.
100k lin with 2 pole switch on/off on the back. Gone to 380k with most of the track gone.

The worry I have is, it says nothing about power disipation of the track.
It's a fairly big pot at 40mm dia with a metal back, bakelite front and patent number 439028.
I don't want to put a standard modern one in just to have it go bang on me or cause more damage .

If you have any ideas or a circuit diagram that would help a lot.

Thanks


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