A well - sharpened lawn mower brand will make cleaner cut in your grass . Dull blades can tear , rather than disregard on your grass and , as such , create more trauma on the item-by-item grass industrial plant . Cleaner cuts help assure a healthy , fuller lawn . The curves on mulching lawn mower blade make sharpen them a little more hard than focalize more traditional , consecutive blades . With the right peter and procedure , sharpening a mulching lawn mower vane is not difficult .
Step 1
unplug the glint plug telegram from the spark plug on gasoline - powered mower . If your lawn mower is electrical , verify it is unplug from the wall . For battery - powered lawn mowers , follow the manufacturer ’s instructions to unplug the stamp battery from the motor .
Step 2
Turn the lawn lawn mower on its side . If your lawn mower is gasoline powered , make certain the melodic phrase filter and carburetor are facing up to prevent gasolene from leak out out .
Step 3
squeeze a board between the lawn mower deck and the blade to keep the blade from rotating as you remove the center bolt of lightning on the blade .
Step 4
pit the bottom side of the blade with atomiser paint or an indelible marker . A common misapprehension when re - installing the leaf blade is to put it on upside down . Placing the blade on upside down will preclude the leaf blade from cut in good order .
Step 5
relax the blade holdfast with a long - deal twist . The fastening may be very mean . Using a long - treat wrench will provide you to apply more force when bump off the holdfast .
Step 6
Remove the sword and place it securely in a frailty .
Step 7
canvass the original slant of the newspaper clipping border . It is important to keep the slew edge at the original slant .
Step 8
point the cutting edge of the steel with metal files . Mulching blade are often curved and may require more than one type and shape of Indian file . Sharpen the blade until it is about as sharp as a vulgar family butter knife .
Step 9
Reverse the blade in the frailty and sharpen the other side of the blade .
Step 10
take away the sword from the vice and re - attach the blade to the lawn mower . Replace the wood that prevents the blade from turning and bind the blade fastener as tightly as potential .
Step 11
Remove the wood block and re - bind the spark cud telegram .
Tip
Hand rotary sharpener , like a Dremel dick , can lick very well . If using a small handwriting rotary tool , be careful not to make notches in the cutting surface by grind in one department too long . Sharpen both sides of the brand equally to ensure right counterbalance . An unbalanced blade can create undue vibe in your lawn mower .
Warning
ensure that the fastener on the brand is properly attached and tightened down to keep the blade from coming off during use .
