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 Post subject: Crosley 11-103U Knob Repair
PostPosted: Feb Thu 11, 2021 5:23 pm 
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Joined: Dec Fri 18, 2020 3:17 am
Posts: 41
I recently went to recap a Crosley 11-103U I had recently purchased, only to discover that someone had glued the tuning knob to the shaft, which came apart in pieces when I was attempting to pull it off. Any suggestions (short of ordering a reproduction knob and painting it) on how best to repair this, as the knob face is still fine. Thanks much for any suggestions.


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 Post subject: Re: Crosley 11-103U Knob Repair
PostPosted: Feb Fri 12, 2021 8:46 am 
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Joined: Apr Sun 08, 2007 6:47 am
Posts: 5208
Location: British Columbia
I guess it would depend on what type of plastic the knob is made from. Probably the easiest way to repair it would be to glue the shaft from another splined shaft style knob onto the back of the original knob. If the knob is made from polystyrene then acrylic solvent cement can be used to either glue the broken pieces back together or to attach another shaft to the knob. If it's polyethylene I don't know of any glue that will stick to it, permanently.
Regards
Arran


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 Post subject: Re: Crosley 11-103U Knob Repair
PostPosted: Feb Fri 12, 2021 4:50 pm 
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Joined: Dec Fri 18, 2020 3:17 am
Posts: 41
Thanks Arran. I will likely go with your suggestion but maybe use JB Weld’s Plastic Bonder or PlasticWeld when attempting to adhere the donor shaft to the Crosley knob face. I haven’t used either product so would be interested in what people’s experience has been with this product.


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 Post subject: Re: Crosley 11-103U Knob Repair
PostPosted: Feb Fri 12, 2021 7:21 pm 
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Joined: Dec Sun 22, 2019 6:10 pm
Posts: 608
Location: Delavan IL
+1

quote: I guess it would depend on what type of plastic the knob is made from. Probably the easiest way to repair it would be to glue the shaft from another splined shaft style knob onto the back of the original knob. If the knob is made from polystyrene then acrylic solvent cement can be used to either glue the broken pieces back together or to attach another shaft to the knob. If it's polyethylene I don't know of any glue that will stick to it, permanently.
Regards
Arran

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If you can't explain it simply, you don't understand it well enough
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 Post subject: Re: Crosley 11-103U Knob Repair
PostPosted: Feb Fri 26, 2021 3:42 am 
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Joined: Dec Fri 18, 2020 3:17 am
Posts: 41
Just to close out the thread, I cut the collar off of a radio dial that was donated to me (as it fit the spline of the Crosley) using a Dremel cutting tool (see pic). I then cleaned out the backside of the Crosley knob using the same Dremel to give me a relatively flat surface to adhere to, and then glued the donor collar onto the back of the Crosley knob using JB Plastic Weld putty (it dries an off white color). I let it cure overnight and then for added strength, I used JB Weld Plastic Bonder to overlap the back of the knob, the JB Weld putty and the outside of the donor collar. The Bonder cures in less than an hour. The results are shown below.


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 Post subject: Re: Crosley 11-103U Knob Repair
PostPosted: Feb Fri 26, 2021 3:37 pm 
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Joined: Nov Mon 05, 2007 11:08 pm
Posts: 3180
Location: Calgary Alberta
It looks good Gordon. Necessity is the mother of invention. Now you have a good looking radio.
Dan in Calgary


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 Post subject: Re: Crosley 11-103U Knob Repair
PostPosted: Mar Mon 01, 2021 9:34 pm 
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Joined: Aug Mon 17, 2020 3:15 pm
Posts: 598
Location: Regina Saskatchewan Canada
Nice save! So much more fun when you come up with a made at home solution. Very nice radio by the way.

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 Post subject: Re: Crosley 11-103U Knob Repair
PostPosted: Sep Tue 28, 2021 2:35 pm 
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Joined: Aug Tue 10, 2021 9:49 pm
Posts: 63
Location: Chesapeake, VA
Great repair. Thanks for the clear description of the problem and your solution.


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