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Old 5th April 2014, 01:31 AM   #1
davada is offline davada  Canada
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Default Tek 7a13 repair

I have a 7A13 with a broken shaft coupler. Does anyone know where I can find small mechanical parts. Shaft couplers, universal joints those sorts of things for electronics switches or pots etc?
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Last edited by davada; 5th April 2014 at 01:34 AM.
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Old 5th April 2014, 02:11 AM   #2
WSJ is offline WSJ  United States
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Buy a bad one on eBay, then you will have a complete set of parts minus the bad one.
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Old 5th April 2014, 04:02 AM   #3
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Try an RC Hobbies store.....all sorts of cool mechanical bits.....shaft extenders, universal joints, you name it.

Dan

Last edited by Max Headroom; 5th April 2014 at 04:04 AM.
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Old 5th April 2014, 04:44 AM   #4
davada is offline davada  Canada
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Great idea.

Thanks Dan.
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Old 5th April 2014, 05:10 AM   #5
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Default You're Welcome...

Have a good look on eBay also.

Dan.
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Old 5th April 2014, 06:28 AM   #6
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I'd throw it at the Tek Yahoo group. There might be someone with spares.

Samuel
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Old 5th April 2014, 06:46 AM   #7
davada is offline davada  Canada
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It's the entire gear box that's broken. The coupler or Ujoint is just a make work solution.
I got the PI for free. Just the cost of shipping.
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Old 6th April 2014, 10:00 PM   #8
1audio is offline 1audio  United States
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Look here if you can't find the original parts: Manufacturer of Precision Components | Spur Gears | Sprockets | Timing Belts | Timing Pulleys | Miniature Bearings | Shafts | WM BERG Engineered Mechanical Components It must be a first gen with the mechanical readout.
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Old 6th April 2014, 10:09 PM   #9
davada is offline davada  Canada
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Quote:
Originally Posted by 1audio View Post
It is a first generation with the mechanical display.

I bought an assortment of these off ebay. They were dirt cheap. I'll give them a try and failing that...

These are a flexible beam shaft coupler intended for CNC.
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Last edited by davada; 6th April 2014 at 10:15 PM.
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Old 8th April 2014, 02:44 AM   #10
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That mechanical assembly was a nightmare from day one. The engineer that designed it had to shim every one of them in production.
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