What Size Wrench To Change Lawn Mower Blade. Different lawnmowers models have different bolt sizes. When I used a rotary mower and I would change the blade or sharpen it I wouldnt use a torque wrench and just make sure the bolt was nice and tight.

Whichever one I use I only have just over 11 of clearance from the floor to the blade nut. To Remove Mower Blades. Remove the nut that secures the blade onto the rotor with the correct-sized socket or wrench.
The Right Socket Size For Your Mowers Blade.
When I used a rotary mower and I would change the blade or sharpen it I wouldnt use a torque wrench and just make sure the bolt was nice and tight. Click to see full answer. Ive never had any issues with it coming loose or being difficult to remove. If the nut is tight use a block of wood and put it between the blade and the body of the lawnmower.

