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Author Topic: SB-101 tuning dial is slipping  (Read 1342 times)
K3RQH
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Posts: 11




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« on: July 26, 2012, 08:24:02 PM »

Does anyone know the fix for a slipping main tuning dial (VFO) on an SB-101?

Thanks,

Frank, K3RQH
Tulsa
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WB2EOD
Member

Posts: 214




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« Reply #1 on: July 27, 2012, 06:46:27 PM »

Remove the tuning knob, (the setscrews are Allen head), then loosen the tuning shaft bushing.  Slide the bushing up as far as possible.
Now the fun part.  Slide the bushing down so the pulley groove on the inner end of the shaft engages the center of the dial wheel.  You can't see this so you have to do by "feel", working the bushing back and forth until the pulley engages.  Once you have it, hold it in place and tighten the bushing and replace the knob
This is covered in the manual in the the front panel installation part.

Hope this helps
73
WB2EOD




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K3RQH
Member

Posts: 11




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« Reply #2 on: July 27, 2012, 08:19:04 PM »

Thanks...big time.  Don't have any docs for this rig and was heading into this repair totally blind.
Frank
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WB2EOD
Member

Posts: 214




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« Reply #3 on: July 28, 2012, 09:34:52 AM »

No problem, glad to help
I STRONGLY suggest that you obtain some sort of documentation.  It may cost you a few dollars but if you want to keep the unit up and running, it is worth it.
I have the sb-301/401 twins, check the photos on QRZ.com

73
WB2EOD
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