best lawn mower uneven ground image
Kay/19
its an older push mower with a newer engine but the blade isn't cutting low enough the adjustable wheels are set to low the blade is sharpened just wondering if i bend the blade on each side so it be low enough in the grass will that cause vibration or even damage
JILL S i don't have money to blow like you
thanks Moon Man
Answer
Bending the blade yourself will make the blade out of balance and the vibration will be very hard on your newer engine. A static balance would be very difficult, a dynamic balance would be impossible by hand. (The reason for the mower not cutting low enough is that the newer engine has a shorter shaft than the original engine had. Someone just put an engine on without any thought to the length of the shaft. Wrong engine, at least wrong shaft length.) Back to bending the blade. If you bent the blade and could be lucky enough to keep it in balance, the end of the blade would be lower than a point say 2" in from the end. This depending on your grass length, how fast your mower runs, how fast you walk etc, etc would result in a very uneven cut. The cutting portion of a mower blade is to rotate parallel to the ground and not at even a slight angle.
Other than replacing the shaft in the engine, there are very few if any ways to lower your blade. For example, additional washers under your blade will not lower it. Additional washers between the blade and the shaft on mowers where the blade makes contact with the shear plate on the shaft, will defeat the shear, safety mechanism, because no resistance would be provided to cause the blade to rotate when it was under load. If a key way is used to transfer power to the blade from the shaft the additional washers may lower the the key-way so that it does not make contact with the key. Again the additional washers will not help. Although it is possible, but not probable, that some scenario exists where washers could help, they are few and far between.
Solutions: Take the mower to an small engine shop and have the crank shaft replaced with a longer shaft like the original engine had. (Not good, this would be a lot of money to put into an old mower.) Better solution: Take your mower to a mower shop and see if they have a blade with more drop, from the factory, that will fit your mower. (If they have one this would be the cheapest solution.) Or possibly see if they have a crank shaft extender that will lengthen the shaft and lower your blade mounting position. (The extenders are used by some manufacturers of mowers as standard mower parts.) Last and probably least would be to find an old mower with smaller wheels and replace your wheels. It would push harder but it would cut shorter.
Notice, not mentioned as a possible solution was bending your blade because it not only will not work it will ruin your motor.
Bending the blade yourself will make the blade out of balance and the vibration will be very hard on your newer engine. A static balance would be very difficult, a dynamic balance would be impossible by hand. (The reason for the mower not cutting low enough is that the newer engine has a shorter shaft than the original engine had. Someone just put an engine on without any thought to the length of the shaft. Wrong engine, at least wrong shaft length.) Back to bending the blade. If you bent the blade and could be lucky enough to keep it in balance, the end of the blade would be lower than a point say 2" in from the end. This depending on your grass length, how fast your mower runs, how fast you walk etc, etc would result in a very uneven cut. The cutting portion of a mower blade is to rotate parallel to the ground and not at even a slight angle.
Other than replacing the shaft in the engine, there are very few if any ways to lower your blade. For example, additional washers under your blade will not lower it. Additional washers between the blade and the shaft on mowers where the blade makes contact with the shear plate on the shaft, will defeat the shear, safety mechanism, because no resistance would be provided to cause the blade to rotate when it was under load. If a key way is used to transfer power to the blade from the shaft the additional washers may lower the the key-way so that it does not make contact with the key. Again the additional washers will not help. Although it is possible, but not probable, that some scenario exists where washers could help, they are few and far between.
Solutions: Take the mower to an small engine shop and have the crank shaft replaced with a longer shaft like the original engine had. (Not good, this would be a lot of money to put into an old mower.) Better solution: Take your mower to a mower shop and see if they have a blade with more drop, from the factory, that will fit your mower. (If they have one this would be the cheapest solution.) Or possibly see if they have a crank shaft extender that will lengthen the shaft and lower your blade mounting position. (The extenders are used by some manufacturers of mowers as standard mower parts.) Last and probably least would be to find an old mower with smaller wheels and replace your wheels. It would push harder but it would cut shorter.
Notice, not mentioned as a possible solution was bending your blade because it not only will not work it will ruin your motor.
riding mower/tractor stability?
julie_ivyp
I bought a used Crafstsman riding lawn tractor with a 42 inch cut. It is only four years old and is in good shpe. However, the person who sold it to me didn't have the manual. I have no experience with riding mowers and just wondered how steep or uneven the terrain has to be before there is the concern of it tipping over. My backyard has some grade to it and is uneven in spots. It also has mole mounds that make it uneven. As I was mowing, the tractor kind of moves and tilts with the terrain. Is that okay? If the wheels don't come off the ground is it fine? I may be being overly cautious...I just don't know when the possibility of it tipping over might occur. Thanks in advancefor any advice or suggestions!
Answer
Don't push anything.... if you don't feel comfortable doing it... don't do it. Garden tractors generally have a pretty low center of gravity and hold thier ground pretty well. If you have areas you have to mow and the possibility of rolling over is concerning you... you should add weight to the tractor. Wheel weights or filling the tires are a few easy ways to do so. The more weight and the lower it is... the harder it would be to turn over. Be careful.
Don't push anything.... if you don't feel comfortable doing it... don't do it. Garden tractors generally have a pretty low center of gravity and hold thier ground pretty well. If you have areas you have to mow and the possibility of rolling over is concerning you... you should add weight to the tractor. Wheel weights or filling the tires are a few easy ways to do so. The more weight and the lower it is... the harder it would be to turn over. Be careful.
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