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

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My Grasshog trimmer doesn't work....

The trimmer is apparently charged (green light is on), however, there doesn't seem to be any power going to the spool do I fix this?

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Possible broken spool assy. parts diagram are available at & dewaltservicenet

Posted on Jun 16, 2008

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I have a craftsman grasshog 18 v 12 in with charger and 2 batteries. I charged the batteries overnigth and the trimmer only work about 15 min on ea. batterie, after that it get weak and wont cut grass

I suggest the batteries are not up to snuff. If they last a year you are lucky. When I buy a battery operated item I keep charging them at least once a week. I have no problem now I do this.

Jul 27, 2015 | Craftsman Lawn Trimmers & Edgers

1 Answer

How long do I have to charge the battery for the grasshog?

Go Here and select type there are multiple types for your model. then select if you want to print or email the owners manual then in the manual there is a section called "CHARGING THE BATTERY" read this section to learn how to saftly charge your unit battery while maintaining maximum battery life.

Thumbs Up if this Helped!!!

Jun 21, 2011 | Black & Decker 14" Grass Hog Xp...

1 Answer

My B&D GrassHog CST2000 doesn't hold a charge very

Battery cases are usually welded closed and must be cut open to access the cells. The cells are also spot welded together to make up the battery voltage.

Jun 01, 2011 | Black & Decker Lawn Trimmers & Edgers

1 Answer

Line doesn,t feed automaticly

Hi there,

The line may be on backwards or has developed a knot. Debris may have worked its way inside the bump head preventing it from functioning.

Check out these items.

Best regards


Aug 20, 2010 | Black & Decker Grasshog 12 Inch 18 Volt...

1 Answer

How do I make it go - I don't have an opertrator's manual so don't know how to start it - holding down the trigger doesn't work.

That is how you start it. There may be a battery problem, a switch problem or wiring problem. If it worked before, I would work the switch without opening it (just as it should operate) several times. If that doesn't work, make sure the battery is charged and in properly. If that doesn't work it will probably in the wiring. Good luck...Lee

Jun 11, 2010 | Black & Decker Grasshog 12 Inch 18 Volt...

1 Answer

Black and Decker Grasshog auto line feeder just spits line out non-stop. Tried lots of things but nothing seems to work.

I'm gonna take a guess and say you re-spooled the line yourself. If you did you may have put too much line on the spool. The max. is 30', but I've found that that can cause jamming, which forces out more line, if not done perfectly. Reduce the amount of line by about 5 feet and you should be OK.

Apr 10, 2010 | Black & Decker Grasshog 12 Inch 18 Volt...

1 Answer

Describe your Black & Decker Grasshog

The push lock on the string feeder Is sticking. Pull it off, clean it out and put it back on.

good luck

Aug 07, 2009 | Black & Decker Grasshog 12 Inch 18 Volt...

1 Answer

Need to replace 18V batteries for B&D Grasshog trimmer/edger

Have you tried Batteries Plus? , they have them and are not too expensive.

Jun 07, 2009 | Black & Decker String Trimmer Cordless 12"...

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