How To Change Stubborn Lawn Mower Blades

First things first, wear a good pair of quality gloves to protect your hands. You should also put on safety glasses, as an added precaution.  You would not want to receive an injury due from a sharp edge with rust from the blades or from the mower itself as you may have to get a tetanus shot.

Tie a rope on one end of the lawnmower blade that you are trying to remove and tie the other end to any secure part of the riding lawnmower. Make sure you tie it really tight. This will give you the tension and leverage to help loosen the nuts in the next step.

Take your rachet and socket and turn hard to loosen the stubborn nut and it should come off. You can also use a pipe that will fit over your rachet for extra power and leverage. I keep a pipe handy to remove all sorts of stubborn nuts and bolts off of everything. It just makes life much easier that way.

To put on the new blades you simply do the above steps in reverse. Again, using a pipe that will fit over your rachet can give you the added strength you need to secure your blades. I used this technique on my riding lawnmower, however I believe you could also use it on standard push mowers as well.