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Old 04-21-2012, 05:39 PM   #1
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Lawnmower blade marks in grass


Just cut the grass today and after i was finished i noticed a lot of circle marks from the lawnmower blade in the grass. It's a Toro walk behind. Anyone know what's up?

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Old 04-21-2012, 05:43 PM   #2
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Lawnmower blade marks in grass


Might check if all the wheels are set to the same height.

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Old 04-21-2012, 06:36 PM   #3
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Lawnmower blade marks in grass


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Originally Posted by Daniel Holzman View Post
Might check if all the wheels are set to the same height.
Checked the mower, wheels are set even.
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Old 04-21-2012, 07:05 PM   #4
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Lawnmower blade marks in grass


Bent blade can cause that--
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Old 04-21-2012, 09:23 PM   #5
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Lawnmower blade marks in grass


Check your blade sharpness.....
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Old 04-21-2012, 09:37 PM   #6
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Lawnmower blade marks in grass


I'll check the blade to see if it may be bent. Blade was sharpened about 7-8 cuts ago. However the turf in the front has much more sand in it which can dull the blade quickly.
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Old 04-22-2012, 10:07 AM   #7
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Lawnmower blade marks in grass


was the grass extremely wet...or long when you cut it? If you are mowing to the "sand"...you may be cutting it a bit low. You want to set your mower to only cut about 1/3 of the blade per mowing.
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Old 04-22-2012, 11:32 AM   #8
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Lawnmower blade marks in grass


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Originally Posted by lowvolter View Post
was the grass extremely wet...or long when you cut it? If you are mowing to the "sand"...you may be cutting it a bit low. You want to set your mower to only cut about 1/3 of the blade per mowing.
Some area may have been a little damp and high. I don't cut that low. It's bermuda and i keep it at about 2".
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Old 04-22-2012, 12:35 PM   #9
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Lawnmower blade marks in grass


blade is upside down?
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Old 04-22-2012, 02:18 PM   #10
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Lawnmower blade marks in grass


The best bet would be that the wheel height is off somewhere....that or your blade is not leveled, which could be because it is bent or loose.
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Old 04-23-2012, 07:28 AM   #11
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Lawnmower blade marks in grass


You are walking too fast or the engine is not up to full throttle.

For a given RPM the blade makes only so many swipes per second. Only the outer two inches of the blade does the cutting, and also may not do a good job if the blade is rotating too slowly. If you walk faster than two inches per blade half revolution then there can be uncut grass.
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Old 04-23-2012, 12:21 PM   #12
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Lawnmower blade marks in grass


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Originally Posted by asbury park View Post
It's bermuda and i keep it at about 2"
Bermuda grass does not cut well with a rotary mower, that's why golf courses don't use them. To cut Bermuda properly you need a reel mower. Something like this: http://www.mclanemower.com/reelmowers.asp or depending on the size of your lawn you could use one like this: http://www2.fiskars.com/Products/Yar...en/Reel-Mowers with the bonus that you get exercise also!
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Old 04-23-2012, 05:50 PM   #13
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Lawnmower blade marks in grass


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Originally Posted by Msradell View Post
Bermuda grass does not cut well with a rotary mower, that's why golf courses don't use them. To cut Bermuda properly you need a reel mower. Something like this: http://www.mclanemower.com/reelmowers.asp or depending on the size of your lawn you could use one like this: http://www2.fiskars.com/Products/Yar...en/Reel-Mowers with the bonus that you get exercise also!
Ditto on the reel mower suggestion for Bermuda, bent grass, etc. It is very hard to set a rotary mower low enough to cut such grass without it dishing with every surface imperfection on wheel hits.
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Old 04-23-2012, 06:50 PM   #14
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Lawnmower blade marks in grass


Why would it happen this time and not in the previous cuts on the lawn?

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