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post #1 of 8 Old 07-22-2019, 09:16 PM Thread Starter
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Deck Leveling- margin of error?

Hi all,

I just did some work to level my 46" mower deck that I bought for my Craftsman YT3000. I've got the the side to side within about 1/16"-1/8" of each other. And I've got the front about 1/4"- 3/8" lower than the back. It seems to vary a little depending on exactly where you measure. I did measure the blades both ways (measured one end, spun it 180į and measured the other). The tractor was on level, flat ground and the tire pressures were set to 10 PSI rear, 14 PSI front.

My one front tire has a slow leak, but I don't think it is enough to throw off the measurement. I checked the pressure right before I attempted any leveling. Once I address that tire I will recheck the deck, but again I don't think this is the issue.

Any further adjustment doesn't seem to get it any closer, so my question is, is there an acceptable margin of error when leveling a deck?

Joe in PA

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post #2 of 8 Old 07-22-2019, 10:59 PM
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Re: Deck Leveling- margin of error?

You are fine.
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post #3 of 8 Old 07-23-2019, 08:00 AM
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Re: Deck Leveling- margin of error?

If you mow back and forth - rather than in a circular/squared off pattern always in the same direction; you would never notice such a slight variance. Specifically, in a back and forth pattern, the same side of the deck mows the edge between passes. Even larger variances aren't noticeable to the naked eye. I think you'll find that no matter how well you level your deck, a run across your lawn will jiggle enough of the linkages to make 1/16th inch adjustments to your good work anyway.

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post #4 of 8 Old 07-23-2019, 08:36 AM
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Re: Deck Leveling- margin of error?

If you've got it to 1/8" you're better than 95+% of homeowners. Good job!
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post #5 of 8 Old 07-23-2019, 09:03 AM
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Re: Deck Leveling- margin of error?

And a leaking tire will make more difference than you think.
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post #6 of 8 Old 07-23-2019, 10:01 AM
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I am assuming your lawn is not golf green smooth, so any dip or variation in the ground that one or more wheels of the tractor rolls through will have a far greater effect than than the tolerances you have achieved. I can feel the the stamped steel frame of the LT I generally use on my lawn flex with every dip or bump in my lawn and the cut it produces still looks good.
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post #7 of 8 Old 07-23-2019, 12:29 PM
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If the cut looks good dont worry about it.
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post #8 of 8 Old 07-23-2019, 05:16 PM Thread Starter
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Thanks for all the replies! I cut some small sections of grass today and it appears to be cutting well. My lawn certainly doesn't resemble a golf course but I'd like to give it every chance I can by setting the machine up properly. I'm going to replace the front tires and I'll check the deck again afterward just to be sure nothing has changed. Thanks again.

Joe in PA

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