Lawn Mowers How to Change the Blades on an Ariens Razor Walk Behind Mower

Published on April 29th, 2015 | by Kimberly Myers

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How to Change the Blade on an Ariens Razor Walk Behind Mower

Replacing your blades is a great way to improve the quality of your grass cut!

Blades wear down over time and need regular maintenance. Changing the blades may seem like a difficult job, but it’s not! Here’s how to do it!




What you will need:

  • Ariens Razor Walk Behind Mower
  • Torque Wrench
  • New Blade
  • Block of wood
  • Socket or wrench
  • Gloves

Removing the Blade:

Step 1:

Shut off Engine.

Step 2:

Wait for all parts to stop moving.

Step 3:

Disconnect spark plug wire.

Step 4:

Block blade to prevent rotation, such as with a piece of wood.

Step 5:

Remove bolt, lock washer, flat washer and blade from shaft.

 

Installing the Blade:

Step 1:

Replace blade, flat washer, lock washer and bolt on shaft.

Step 2:

Torque bolt to 37.5-50 lb-ft(51-68 N∙m) (bolt should fully compress lock washer).

Step 3:

Connect spark plug wire.

See, easy job! Never sacrifice the quality of your mower’s cutting ability again now that you know how to change the blades of your mower.

 

Helpful Hints:

  • Consult your owners manual for model specific information and a recommended maintenance schedule
  • Always wear gloves to protect your hands, blades can still be sharp after being used for a while
  • For extra protection you can wrap a heavy cloth around the blade so you do not have to directly handle the blade during installation/removal
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Jack’s Safety Tips: Before servicing or repairing any power equipment, disconnect the spark plug and battery cables. Remember to wear appropriate safety glasses and gloves to protect against harmful chemicals and debris. View our Disclaimer.

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