How to Replace the Line in a Black & Decker Grasshog

Grass trimmers such as the Black & Decker Grasshog are handy for cutting grass in places you can't access with your lawn mower or tractor, such as along a fence, around a mailbox or near a flower bed. The trimmers work by spinning a nylon line at an extremely high speed so that it slices through the grass and weeds. Eventually, the string wears out and needs to be replaced.

Things You'll Need

  • .065 inch round diameter nylon line


    • 1

      Unplug the trimmer.

    • 2

      Turn the trimmer upside-down and press in on the tabs on the trimmer head.

    • 3

      Lift the cap off of the trimmer head.

    • 4

      Lift the empty spool off of the trimmer head and clean grass and dirt from the spool and surrounding area.

    • 5

      Slide the new spool onto the boss, the part that spins the spool around. Use .065 inch round diameter nylon line.

    • 6

      Hook the end of the trimmer line into the eyelets on opposite sides of the spool so they extend out about 5-1/2 inches.

    • 7

      Line up the tabs on the spool cap with slots in the housing, and push the cap down until it clicks into position.

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  • Photo Credit Jupiterimages/Comstock/Getty Images

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