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How to replace and maintain your John Deere 48'' mower blade (UC22009)

Step-by-step guidance for replacing John Deere mower blades

If your John Deere mower isn’t cutting as cleanly as it used to, it may be time to replace the blade. The 48'' Mower Blade (UC22009) is designed for a precise, even cut and optimal grass discharge. Over time, blades can become dull or damaged, affecting performance and lawn health.

This guide explains how to identify when your blade needs replacement, how to safely remove and install the UC22009 blade, and tips for ongoing maintenance:

  1. Inspect your blade for nicks, bends, or dullness at the start of each mowing season.
  2. Always disconnect the spark plug before working under your mower.
  3. Use the correct tools to remove and install the blade, following your equipment’s manual.
  4. Tighten the blade securely and check for balance before use.

Tip: Always use genuine John Deere blades for best results and safety. Regularly check for wear and replace as needed.

If you need a replacement, you can purchase the genuine part here: John Deere Mower Blade, 48 Inch (UC22009).