The deck may break down with age or bend due to normal wear, and tilting is sometimes a manufacturing mishap. The blade and deck in some mowers are connected, and a tilted deck could cause an uneven cut. To check if this is the case, park your mower on a flat level surface such as a driveway, then use a tape measure to compare the height deck from the level surface on both the left and right sides.
The two measurements should be the same. You can see uneven cutting when grass clippings clog the deck. Always make sure you clean out the deck after mowing. Removing large weeds with a mower can harm the deck, so make sure you follow these steps instead.
In most lawnmowers, the blade cuts by rotating with a belt-driven shaft. Sometimes, these mower blades are attached directly to an engine. A tilted one is due to a misaligned or bent shaft. To check for a tilted blade, manually rotate the wheel until each end is directly pointing to the left or right of the mower. Check the distance between the blade tips to the level surface using a tape measure.
A height difference between the blades shows misalignment, and this is causing the uneven lines. Keep your mower blades sharp as blunt or worn out blades may cause the mowing to be rugged. Grab a pair of leather gloves, too.
Turn the mower on its side with the air filter and carburetor the part that mixes air with fuel for burning in the chamber on the upside. Remove all of the collected grass from the underside. Local hardware stores and the larger DIY stores, as well as manufacturer dealerships, can supply replacement blades, and the instruction manual that came with your mower can guide you through installing new blades. Place the blade in a vise to hold securely, and use a grinder against its cutting edge.
Make sure you use the same number of strokes with the grinder on both ends of the blade. Double-check the blade by suspending it by wire to determine its balance. If it does not hang horizontally, grind it another few strokes on the heavy end, as a blade out of balance will not cut evenly.
But what about a lawnmower that does not cut evenly? There can be various reasons why this is happening. This blog will look into the different causes and how to fix them. If a lawnmower does not cut evenly, the most probable cause is mower deck damage and misadjustment, resulting in an uneven cut. To fix the problem, several things need to be checked:. The lawnmower cutting uneven grass may have some issues, and it can be fixed quite easily.
This may be because of the operating system, cutting blades, and uneven weight distribution. Following are the leading causes of cutting uneven grass and the troubleshooting steps to resolve the respective issues. Under inflating and over-inflating can bring plenty of wrongs in steering and mowing. It makes the mowing deck sit unevenly. If the mowing deck is uneven, then the grass cutting will also be rough. To avoid this, check the inflation of all the four tires of the riding lawn mower before starting because over and under inflating tires may cause the grass to cut unevenly.
While riding a mower, sometimes, it hits the bumps and debris that make the desk height misadjusted. However, sometimes while changing blades, the desk level is also disturbed. If the desk is not leveled, then you may face this issue. Leveling the deck under the mower is very important to cut the grass more precisely. It would help if you dropped the mower deck to avoid uneven cutting.
You should check the heights of the desk before and after changing the blades to remain adjusted. Simultaneously, cutting the grass and debris build under the deck, especially when it is wet. This causes to cut the grass uneven. If the mower deck is clogged, you should clean it at once as it causes hindrance in the blade, so it should be adequately cleaned. It would be best if you cleaned the grass clippings from the desks and then start moving again.
We all want to save time, which is why we try to finish tasks as soon as possible. This often applies to mowing as well, and we try to mow at the highest speed.
Depending on the power of your riding lawnmower and the height of your grass, this is sometimes possible. But when the amount of grass that needs to be cut is too much, the speed can hurt the cutting, resulting in an uneven cut lawn. Try staying at right angle to the slope, or if you can't do that without tipping over try not going all of the way down backing up back up or down the hill and then do the lower dip part at an angle.
In this case your tires could be low or the ground soft from rain to your riding lower. Your blade could be dull here as well so it isn't cutting cleanly other than hitting the ground. Frankly, I've very rarely needed to replace a mower blade. In most cases the blade only needs sharping. Overtime you tend either grind the blade down to a point its not useable or you kill it hitting a stone.
Even a new blade may need sharping. Can you describe what you are seeing. First, lets caution everyone that outdoor power equipment is inherently dangerous. Some precautions need to be observed:. The next thing to check are the basics. When did the problem start? Did you just install new blades? Don't laugh, are they on upside down? We often see mowers come to our shop for cutting problems that are as simple as low air pressure in the tires.
Step cutting is sharp ridges left in the lawn surface. Step cutting is usually caused by mower deck damage, misadjustment, or mower blade damage. Normally the deck just needs to be re-leveled. To check for this:. Measure the outer tip of the left blade to the surface your parked on don't measure from the deck shell, it has to be from the blade tip. The two measurements should be the same. The next thing to do is to turn the blades and measure again.
If the measurements are not the same, one of the blades is probably bent. Other things to check for are damage to the deck shell, and bent or loose spindles.
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