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I have a Scotts 20" Classic Reel Mower. The blades are starting to dull a bit.

What's the best way to sharpen the blades on the reel?

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migrated from diy.stackexchange.com Oct 23 '12 at 19:15

This question came from our site for contractors and serious DIYers.

1 Answer 1

up vote 6 down vote accepted

Adjust the cutter bar

Often times bad cutting results are caused by a mower in need of adjustment, not a mower in need of sharpening. The first thing you'll want to try, is to adjust the cutter bar to ensure you have proper contact with the reel. This is often done using a few adjustment screws, and a tape measure or spacing tool (that may have come with the mower).

If this does not provided a better cut, it may indeed be time to sharpen the mower.

Sharpen the mower

The easiest way to sharpen a reel mower, is by backlapping. You can pick up a backlapping kit, or easily create your own. All you need is...

  • Grinding compound.
  • A crank, or socket that fits your mower.
  • Time.
  • Strong arms (optional).

Procedure

Disassembly

  1. Start by removing the handle.
  2. Next remove the side cover (hub cap).
  3. Remove the "C" ring that holds the wheel on.
  4. Remove the gear.

You'll be using your crank to turn the reel, by attaching it to the place where the gear was removed from. You can either use a manual crank, or a drill motor and properly sized socket to turn the reel.

Backlapping

  1. Apply some grinding compound to the reel blades and the cutter bar.
  2. Attach you crank (or socket).
  3. Turn the reel backwards (opposite direction of normal operation), with your crank.
  4. Repeat Step 3, until the mower is sharp.

You can test the sharpness, by cutting a bit of scrap newspaper (be careful not to cut your fingers).

Reassemble

  1. Reinstall the gear.
  2. Put the wheel in place.
  3. Install the "C" ring to hold the wheel on.
  4. Put the cover on.
  5. Attach the handle.

Once the mowers sharp and back together, get back out there and mow some grass.


Reference:

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