Question about Black & Decker String Trimmer Cordless 12" 18V

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Black & Decker 8209 Weed Trimmer

I have a Black & Decker Weed Trimmer model 8209 but the string is all gone. I bought some bulk string that was same diameter as what was on it but I haven't found instructions on winding it on the "spool".

There is a picture of a loaded reel on Amazon. com at this hyperlink:

Can anybody tell me exactly how it should be wound on the "reel", or point me to instructions on the Internet? I don't want to pay big bucks for a couple of dollars worth of string on a reel just like my empty one. Thanks!
By the way, I was FORCED into choosing the wrong product below because the "can't find you product" doesn't list my item and the drop-down list of Black & Decker equipment doesn't list my model number!

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  • BBarron Jul 06, 2008

    I have the same problem of empty spool. I also looked at the picture, but I do not know the size of the wire not how to put it on. If you know the size ow the wire, and or how to put it on, please post it.

  • Olds88 Jul 27, 2008

    I have the same problem... old B&D 8209 and no string

    or replacement spool.

  • Anonymous Aug 13, 2008

    Same issue here ;(

  • Anonymous May 24, 2009

    I have the same problem and would love to have a solution. Wasted the whole day trying to figure this one out. :(

  • Ken Smith Jul 27, 2013

    My auto spool unwinds line too quickly what can I do to fix this?



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I went to the B&D web site and downloaded the manual for this unit.
Here is the link

Posted on Jun 29, 2009

  • Veikko Kuronen
    Veikko Kuronen Sep 17, 2010

    Perfect just what the doctor ordered, thanks


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Look at this video and if you have any questions I'll be more than happy to try and answer them. I was trying to answer the problem of loading up the string onto the disc (don't know if it will post) but gave some incorrect hint: Once the disc is separated from the outer ring and you start to string up the line (.065) start by inserting the end of the line into position 1 and add 6 to position 7 on the top of the disc. Now go down and add 6 and go to position 13 on the bottom and come up adding 6 and alternating sides. (
Good luck with this and hope you can make it work. This trimmers are great and will not quit!

Posted on Jul 04, 2013

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For a Black & Decker 8209-04 Type 2 with the Metal star in the spool the diagram is here:

Posted on Jun 06, 2011

I fixed mine, but this thing won't let me post. If I have to be a member just to make a suggestion, my suggestion would be 'let me post my suggestion'. Do you think everyone passing through here is a member? Some of us would rather not sign up, but still have something to contribute. anyone out there to hear this?

Posted on Jul 20, 2008

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Posted on Jan 02, 2017

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