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Ryobi RY40109 20" Mower Blade Replacement

Ryobi RY40109 20" Mower Blade Replacement

Jim Keplinger

Jim Keplinger다른 한 명의 기여자

최종 수정일 December 6, 2024

15 - 30 분
쉬움
추천 학생 안내서

Operating your mower with a dull blade can be hard on your lawn, leaving the grass tattered or torn rather than cut. This will cause it to look yellow and restrict healthy growth. Also, a damaged blade can be a danger to the operator or nearby people.

Replacing the blade isn't difficult and is a task that anyone should be able to complete in 15-30 minutes. There are some things to keep in mind as you start this project though. You will be working with a sharp object (the blade), so using a pair of heavy-duty gloves, removing the battery, and carefully blocking the blade are important safety measures to keep in mind as you start your work.

Once you've completed the replacement, I recommend mowing your yard right away and experience the satisfaction of your crisply mowed lawn!

  1. Ryobi RY40109 20" Mower Blade Replacement, Blade: 1 단계, 이미지 3개 중 1개 Ryobi RY40109 20" Mower Blade Replacement, Blade: 1 단계, 이미지 3개 중 2개 Ryobi RY40109 20" Mower Blade Replacement, Blade: 1 단계, 이미지 3개 중 3개
    • Before working with the blade, remove the battery.

    • Firmly grasp the battery, depressing the battery release and slide the battery out.

  2. Ryobi RY40109 20" Mower Blade Replacement: 2 단계, 이미지 1개 중 1개
    • Turn the mower upside down on a flat, stable surface.

  3. Ryobi RY40109 20" Mower Blade Replacement: 3 단계, 이미지 2개 중 1개 Ryobi RY40109 20" Mower Blade Replacement: 3 단계, 이미지 2개 중 2개
    • Preventing the blade from spinning is an important safety step!

    • Use an 8" to 10" block of 2x4 to prevent the blade from spinning counterclockwise.

    • You may have to experiment a bit to position it correctly.

  4. Ryobi RY40109 20" Mower Blade Replacement: 4 단계, 이미지 1개 중 1개
    • Protect your hands by putting on your heavy-duty canvas gloves while working around the blade.

    • Using a 15 mm socket wrench, remove the blade nut by turning it counterclockwise.

  5. Ryobi RY40109 20" Mower Blade Replacement: 5 단계, 이미지 3개 중 1개 Ryobi RY40109 20" Mower Blade Replacement: 5 단계, 이미지 3개 중 2개 Ryobi RY40109 20" Mower Blade Replacement: 5 단계, 이미지 3개 중 3개
    • Remove the nut spacer and blade insulator.

    • Remove the blade.

  6. Ryobi RY40109 20" Mower Blade Replacement: 6 단계, 이미지 3개 중 1개 Ryobi RY40109 20" Mower Blade Replacement: 6 단계, 이미지 3개 중 2개 Ryobi RY40109 20" Mower Blade Replacement: 6 단계, 이미지 3개 중 3개
    • Identify the alignment shapes on the blade hub.

    • Install the new blade on the hub using the alignment posts.

  7. Ryobi RY40109 20" Mower Blade Replacement: 7 단계, 이미지 3개 중 1개 Ryobi RY40109 20" Mower Blade Replacement: 7 단계, 이미지 3개 중 2개 Ryobi RY40109 20" Mower Blade Replacement: 7 단계, 이미지 3개 중 3개
    • Replace the insulator, spacer, and nut.

  8. Ryobi RY40109 20" Mower Blade Replacement: 8 단계, 이미지 1개 중 1개
    • Re-block the blade to keep it from spinning clockwise this time.

  9. Ryobi RY40109 20" Mower Blade Replacement: 9 단계, 이미지 1개 중 1개
    • Set the torque wrench to between 350-400lbs.

  10. Ryobi RY40109 20" Mower Blade Replacement: 10 단계, 이미지 1개 중 1개
    • Tighten the blade nut with the torque wrench by rotating the wrench clockwise.

    • You have completed the replacement! Time to mow the grass!

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Jim Keplinger

회원 가입일: 09/25/24

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CSU Sacramento, Team 1-8, Laflen Fall 2024 CSU Sacramento, Team 1-8, Laflen Fall 2024 회원

CSUSAC-LAFLEN-F24S1G8

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