Lawn Mowers How to Replace the Blades on an Ariens Zoom 42" Zero Turn

Published on April 29th, 2015 | by Kimberly Myers

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How to Replace the Blades on an Ariens Zoom Zero Turn

Blades – they are sharp and they can be scary! But don’t be afraid to replace them yourself, it’s not as hard as you may think!

What you will need:

  • Ariens Zoom Zero Turn
  • New or sharpened blade
  • Wrench or Socket
  • Gloves
  • Scrap piece of wood

Removing Blade:

Step 1:

Stop the mower blades from rotating by blocking them with a scrap piece of wood.

Step 2:

Now, using a wrench remove the mounting hardware that attach the blades to the mower.

Re-installing Blade:

Step 1:

Place the mower blades back onto the mower, and reinstall the mounting hardware.

Step 2:

Torque 5/8-inch nut to 92 to 130 lb-ft (125-176 N∙m). (see owner’s manual for model specific information)

Changing blades is very easy, and a quick form of maintenance you can perform at home to be sure that your lawn is consistently being cut well. If the blades are dull the cut won’t be as clean, so don’t be afraid to change those blades!

Helpful hints!

  • If you are concerned about the blades being sharp you can wrap a heavy cloth around the blade so that you can handle it without grabbing the blade directly.
  • Always wear gloves when handling blades, even if the blade has been used, it may still be sharp!
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2 Responses to How to Replace the Blades on an Ariens Zoom Zero Turn

  1. Marc Lavigne says:

    Kimberly’s advice will not work dispite the words being straight out of the Ariens owner’s manual. .As soon as the blade is loose, the spindle will turn, preventing further nut removal. The spindles must be locked after loosening the blade. Any helpful hints on how to lock the spindles? I have tried a strap wrench to no avail.

  2. Charles Whetstine says:

    I was having such a time trying to get spindle not to turn while trying to remove nut that I finally bought a speed wrench with the thought it would turn the nut faster then the spindle would turn. It worked. This is such a poor design that the dealers couldn’t even tell me how to keep shaft from turning when removing the blade.

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