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MMM Mower Installation Problems (60d autoconnect on 1025r with autoconnect pto)

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A few days ago, I reinstalled my 60d autoconnect deck on my 2018 1025r with autoconnect pto, and I am running into a couple issues that I did not experience last year (first year I owned this tractor), and I would appreciate your thoughts on this.

Problem 1.
When trying to install the deck, the tractor pushed the deck instead of driving over the deck.

I used my load and go to place the deck in the same spot on my asphalt driveway that I used last year to install/remove the deck... then I dropped my loader, put the tractor in low gear and 4wd, but after several attempts the tractor would not drive over the deck (tractor just slid/pushed the deck)

Then I repeated this process on 2 other spots on my driveway... same result.

Then I put vinyl car mats under sides and front of deck... same result.

I moved deck to another spot on driveway, did not use car mats, and the tractor finally drove over the deck, and the deck installed ok. This time I had the loader (no bucket) on.

Last year I was able to easily drive on and off the deck without this problem and I did not have the loader on last year. The only differences I can think of between this year and last year is that the driveway was a touch damp (morning dew) and the temp was cooler (65 vs 80+ last year) and this year I had the loader on when the tractor finally drove over the deck.

Any thoughts about why the tractor had difficulty driving over the deck?

Problem 2.
This year the blades were 1” to 1.5“ out of level side to side... low side was discharge side. This was very noticeable in the cut quality. My visual inspection of linkages on both sides did not show any obvious differences, but I gave the deck a shake on both sides but that did not fix the problem. My next attempt to fix this was to disconnect the deck, then reconnect the deck... that improved the blade level but blades are still out of level almost 0.5”. My question is... why were blades Level at the end of last season, but not at the start of this season?

Problem 3.
I can’t drive off the deck... but I figure the solution to “Problem 1” described above will fix this problem as well? Note the driveway was not at all damp when trying to remove the deck.

I would appreciate your thoughts on this.
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Mine slides sometimes also but not much. Also make sure the pto selector is set to rear only.

I also assume the you have the height knob set all the way down to the install position.

When you say you can’t back off the deck is it coming loose from the tractor and then it just slides? Or is it getting hing up on the tractor and not coming loose?
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I take mine off idle, maybe 2500 rpm should be plenty.

Make sure the pto is set to rear only. It might look like the pto hooks up but it might keep it from hooking up that last little bit. Having it set to rear only allows the shaft on the tractor to spin freely and mate with the deck. I have had problems in the past getting it to hook up that last inch when I forgot to do this.

A couple of thoughts which may or may not be correct. My deck is scuffed up a little bit on the bottom. Does this make it grip my concrete better? I also wonder if people develop a little technique when driving up and over the deck. I’m not sure I don’t give the forward pedal a little stab to get it to pop over the deck. I also have a 2025r which had bigger tires that may make it easier.

Lets just say in the past I’ve chased my deck around the concrete, in the grass, on asphalt etc when I first got it, but lately it just hooks up right away and comes off easy, but I never did have problems getting up and over the deck, it was just a problem for me getting it to completely hook up.
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Here is a pic where I take my deck off and on. I point towards the garage doors, like already pointed out, it’s uphill which I think helps, and it’s broom finished concrete which has some texture to it.

It’s and open front end so just one tire can spin.
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