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Discussion Starter #1
last year My 54D mower deck wasn't cutting level. I leveded it and re-leveled it. The right side blade cuts lower than the other 2. My dealer even took it back to their shop and releveled it. It still didn't fix the problem.
I complained early spring of this year, they took the mower deck back in their shop and "Pressed it". It helped a little bit but now it's right back where it was. The lawn doesn't look that great after mowing either.
The right side bearing assembly was also replaced.
I checked w/my JD dealer for replacement, $1900 with new gear box and arm $1260 for the deck with out gear box and arms.
Has anyone ran into this same situation?:usa
 

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If everything else is good, tire pressures, linkages ect, then the deck should stay level. Check blades and observe them tip to tip. There should be very very lil if any offsets. When you recheck the deck after the crappy cut is it out of level? Or is it level but scalping on the right or left side? I've seen some warped decks, brand new ones, but they are very rare. Something is wrong.

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If an obstruction such as a tree root is hit it can often flex the deck around the spindle. They can be beat back into acceptable position but it's a little rugged on the paint job.
 

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Mower deck

Place the deck on two 6 X 6 pieces of lumber on the best level ground you have, eg:garage floor. Take a ruler and you can now take measurements of the blades at all points in relation to the ground. Spin each blade past the ruler and see if there is a difference between each end and see if there is a differenc between both blades. If you use nice straight lumber, see if the deck is warped by how it sits on the 6 X 6's. Try and wobble the deck. Hope this helps.

Don
 

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Try putting the right side blade on the left and see if it still does the same. Blade might be bent. :dunno:
 

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Discussion Starter #6
now that a tree root was mentioned, I do remember hitting a tree root. It hit so hard that it killed the engine. I couldn't get the tractor off of the root in 2 wheel drive, 4 wheel drive was required to back off the root.
so my dealer must have noticed the twisted/flexed deck and pressed it back as best they could.? It's not from driving over the deck then, right?

I'm going to check the levelness tonight up on blocks.

since discovering the poor cutting on the right side, I've replace all 3 blades, the right spindle/bearing assembly....right and left blades have been swapped, I too thought it was a bent blade...
tire pressures have been right on the money on all 4.
Only 364 hrs on the 1026R.

Thanks for all the information folks.
I'll let you know what the resolution is.:usa
 

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I straightened a bent deck once. The way I measured it was align the blade tips end to end, one was higher than the others. The spindle and bearings were perfectly fine, it had bent the sheet metal deck. I put a 10 foot long pipe in the spindle bore and kept pulling on it until the blade tips all cut the same height. And no banging on the deck and no damaged paint. And yeah, hitting things can definitely mess things up.
 

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I straightened a bent deck once. The way I measured it was align the blade tips end to end, one was higher than the others. The spindle and bearings were perfectly fine, it had bent the sheet metal deck. I put a 10 foot long pipe in the spindle bore and kept pulling on it until the blade tips all cut the same height. And no banging on the deck and no damaged paint. And yeah, hitting things can definitely mess things up.
Why do I feel like a cave man all the sudden? Sounds like a pretty elegant solution but I'm glad you tried it first. I would have thought there would be a risk of breaking the spindle casting. Seems to have a pretty high zinc content (pot metal) from the looks of them.
 

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Why do I feel like a cave man all the sudden? Sounds like a pretty elegant solution but I'm glad you tried it first. I would have thought there would be a risk of breaking the spindle casting. Seems to have a pretty high zinc content (pot metal) from the looks of them.
Not sure I can answer your first question. :mocking:

My thought is if it could take the impact that bent it, then it will take my corrective action technique. :thumbup1gif: Though, it seems to me the risk is pretty low on breaking anything this way. I do not know the metal content of the components, I am thinking more an iron casting. :unknown: Besides, I was not banging on it just applying enough force to get the sheet metal back into position. It work perfectly and the owner said that the deck had not cut so well in years.
 

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Discussion Starter #10
Randy M - I'll see what I can do about bending the deck back.....I'm known for breaking things, I don't think most stuff is build heavy enough these days.

jeff B- I had a little chuckly from your "Why do I feel like a caveman" comment....My thoughts exactly.

Thanks for all of your information.:usa
 

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Randy M - did you happen to take pictures of the 10' pipe while you were adjusting the deck?:usa
 

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Randy M - did you happen to take pictures of the 10' pipe while you were adjusting the deck?:usa
Sorry, At the time I was focused on the task at hand. Plus, the machine wasn't green. :mocking:

It was bar material I had laying around. If I remember correctly I had to use a reinforcing pipe slipped over it so it wouldn't bend the bar. Good luck. :thumbup1gif:
 

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How about if I turned the deck upside down. put a block of wood on the spindle, on the side that is cutting lower. and hit it with a sledge hammer a few times.?? If anything I would probably hit it too hard and move it too far. :laugh:

work in progress on the deck for now.:usa
 

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How about if I turned the deck upside down. put a block of wood on the spindle, on the side that is cutting lower. and hit it with a sledge hammer a few times.?? If anything I would probably hit it too hard and move it too far. :laugh:

work in progress on the deck for now.:usa
Ummm, probably don't want to go whacking on it with a hammer.... You might create more problems that what you have now. :banghead:

I would look for a pry bar or piece of pipe and try what RandyM did.
 

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rtgt - I think you're right. I'll stay away from the big hammer.

AND I am one of the deplorables too.
I hope to have time this weekend to solve my problem.:usa
 

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Ummm, probably don't want to go whacking on it with a hammer.... You might create more problems that what you have now. :banghead:

I would look for a pry bar or piece of pipe and try what RandyM did.
Aahh, come on. You know what they say, "if it doesn't work, get a bigger hammer". :bash: :laugh:
 

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Discussion Starter #18
:usa
I finally got around to fixing the my mower deck.
The cutting height on the right blade, inside was off quite a bit. approximately 3/8" of an inch.
I turned the deck upside down, used a 4 x 6 right next to the bearing fixture and beat it with a 16 lbs sledge hammer. It took several blows but it did work.
The lawn looks great after mowing, no streaks...I hope it stays in place.
Thanks for everyones input.
 
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