How Often Do You Change Lawn Mower Blades. Disconnect the ignition wire and drain the gas. Sometimes blades will shorten due to picking up sand and rock then it may be necessary to change them.
Long answer short our research indicates that you should sharpen your blades every 25 hours of lawn mower running time. For a typical homeowner every couple of months the blade will need sharpened or even once a month if you mow more than onceweek. To achieve a great cut and a healthy lawn it is essential to regularly sharpen or replace your John Deere lawn mower blade.
When your lawn mower blade is sharp your grass should be cut at the same height every time with just one pass of the mower.
Click to see full answer. By sharpening your blades two or three times per lawn mowing season you will see a healthier lawn all year round. Its quite simple to repla. Before any replacement is done inspect the blades to see which condition they.
