How to Replace a Blade on a Black & Decker M200 Mower
- 1). Turn the mower on its side to access the blade.
- 2). Remove the nut in the center of the blade with the socket wrench. Remove the washer under the nut.
- 3). Lift the blade off the mounting bar.
- 4). Place the new lawn mower blade on the mounting bar.
- 5). Replace the nut and washer on the mounting bar, with the washer first.
- 6). Tighten the nut with the socket wrench. Turn the mower back onto its wheels.
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