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

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Black & Decker GL720 Strimmer not working

There is power in the machine but the housing/spool is not rotating at all.

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  • frate_mate May 03, 2009

    I have the same problem with my timmer - there's power in the machine, and I can hear the motor spinning, but the spool itself does not spin. The model number of my machine is a B&D NST2018.


  • JERRY ABELL
    JERRY ABELL May 11, 2010

    that number gl720 is not in the b&d line up do you have a differant number

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Hi there, I just thought I'd mention that I also have a Black & Decker GL720 with the same problem. I'm pretty sure it is less than 1 year old too, so well within the 2 year manufacturer's guarantee here in the UK. I think it may be a UK specific model and the phone number from MrFixIt looks like a US number.

I have tried taking the plastic casing apart, but with no luck, as the two halves won't come apart easily, even after removing all the screws. Ah! OK, I've found out the reason that it wouldn't come apart now, there is a screw hidden under the 123 sticker.

It's all apart now, and I see what is wrong, there is a belt running between a small cog and a large cog, and in my case the large cog has partially melted and the belt has come off. Unfortunately, I'm not sure I can get the replacement part now. Hopefully with yours, MrFixit, the belt might have just slipped off, fingers crossed.

Anyway, here is a service diagram of it in case it will help anybody, but as you will see it says only certain parts can be ordered. If anyone locates a supplier of all the parts please post it here.

Many thanks

Simon


Posted on Jun 03, 2009

  • Simon Elder Jun 04, 2009

    OK, I've got this sorted under the manufacturer's 2 year guarantee now. If like me you have lost the receipt, there is a date code stamped on the back of the handle which will enable the authorized service dealer to mend it, providing it is within the 2 year period of course. To find your nearest authorized dealer either go tohttp://www.2helpu.com or ring in the UK 01753 574277

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Belt came off so and I couldn't see the part that seem to be missing that kept the belt on. A nut, bolt and a wash sorted it for me. Fitted to the small drive cog. Simples. When dismantling - remember there is a screw under the sticker!

Posted on Jun 19, 2010

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Toss it!!!! rubbish

Posted on Jul 14, 2013

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