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[john barrale]

now all i have to do is purchase an A T PRO and i'll be set to go, but for now i have settle for my discovery 3300,thats ok cause im really enjoying it. if anyone out there has one of these how do i get the ground balance knob to stay put, it always goes back down after a few digs, i have used tape but that don't always seem to work,and i get frustrated.

 

[JB(MS)]

I use small rubber o,rings, like the one in the photo, to keep the knobs from turning. I take the knobs off, put one or two of the o'rings on the shaft and put the knob back on. They prevent the knobs from turning when they're bumped. Most hardware or building supply stores have them.

[attachment 273918 washer.jpg]

 

[john barrale]

Thank you so much i will try that ands get back with you.and let you know how things go.