1025r damaging lawn. (differential lock stuck on)
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Thread: 1025r damaging lawn. (differential lock stuck on)

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    1025r damaging lawn. (differential lock stuck on)

    Hi folks. I've had my 1025r now for about a month and a half and am having a significant problem with the tractor tearing up my lawn while making turns - both left and right. The harder I turn the more it tears up the lawn - scalping it down to the dirt. It will do damage even during a moderate gradual turn. It's not the deck or deck wheels dragging, but rather something going on with the steering or rear differential. I also get a grinding and binding sensation the harder I turn. If I turn too hard the tractor will keep trying to push in a straight line and actually cause the front tires to skid forward. I mow in low range and make turns slowly. To minimize the damage I have to make three or four point turns.

    Here are some pictures of the damage it does:

    Attachment 21240 Attachment 21241 Attachment 21242 Attachment 21243 Attachment 21244 Attachment 21245

    The tractor is not in 4wd (checked that numerous times), the rear tires are not loaded with fluid, there are no wheel weights and the FEL is not on the tractor - just the 60D deck. I've noticed that the steering seems stiff from day one. It now has about 13.2 hours on the meter. This problem has gotten worse over the short time I've had the machine. I have also noticed the hydraulic connector on the power steering cylinder rubs on the inside of the left tire when turned hard left. It seems to shift closer and further away. Sometimes it’s right on the tire and other times it is 3/4 inch away.

    Has anyone experienced this? I'm assuming this machine should not be doing this and should handle and cut as well as a garden tractor. My dealer sent a technician down last week but he did not find anything. They are going to pick the machine up this week to look into in further. Any help and insights would be very much appreciated. Thanks everyone.
    Attached Thumbnails Attached Thumbnails IMG_20130824_193619_243.jpg   IMG_20130824_193701_564.jpg   IMG_20130824_193629_037.jpg   IMG_20130824_193746_438.jpg   IMG_20130824_193918_622.jpg  

    IMG_20130824_194111_427.jpg  

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    Check to make sure your don't have your rear wheels locked so that they both turn at the same time. Your owner's manual will explain how to lock in and lock out the rear wheels.

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    Quote Originally Posted by TKelly View Post
    Check to make sure your don't have your rear wheels locked so that they both turn at the same time. Your owner's manual will explain how to lock in and lock out the rear wheels.
    I have checked that. I've never used it and have read about engaging/disengaging in the manual and did go through the procedure once (after all the lawn damage). It doesn't appear to be in lock-down mode, but maybe that is the problem - i.e. it's stuck in the lock mode even though the lever is in the up position.

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    Keeper of the GTT Cookies dieselshadow's Avatar
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    There's a heel lever on the left foot well just in front of the seat. Make sure it's in the up position. It should be spring loaded. Can you jack the front of the tractor up? Get one tire off the ground. You should be able to spin it very easily by hand. If not, it's in 4 wheel drive.

    Let us know what you find and we'll go from there.
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    2720 w/ 200CX FEL
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    It doesn't make much sense...If the front wheels are being pushed it indicates lack of weight up front or too much on the back. Can you test it with the FEL on and see if it helps, nice and low. Wonder if its stuck in 4x4?
    Dave's 2012 1026R TLB,54"MMM Auto Attach,Ken's hooks&clevis,Artillian 36' Forks and a KennyPedal WH 520H 48" Snow Blade,48" Deck379 Peterbuilt (3 Million Miles in a big truck)

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    Quote Originally Posted by chex313 View Post
    It doesn't make much sense...If the front wheels are being pushed it indicates lack of weight up front or too much on the back. Can you test it with the FEL on and see if it helps, nice and low. Wonder if its stuck in 4x4?
    I am pretty sure it is not in 4wd. About ten days ago I put the box blade on it (Frontier 48') and did a little dragging for the first time. I purposely left it in 2wd to see if I could determine if it was stuck in 4wd. Sure enough, at one point the BB grabbed and caused the rear tires to spin and the fronts did nothing confirming (I think) that it is not in 4wd.

    I just went out to the garage and the differential lock is up. If I push it down with my hand, it easily moves up and down. Should there be some resistance like it is engaging a gear or is it pretty free flowing? All I feel is the spring loaded mechanism. Tractor is off when I did this.

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    Keeper of the GTT Cookies dieselshadow's Avatar
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    If the gears line up, there'll be no resistance. If they don't line up, it may not even go down.
    - Jason

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    2720 w/ 200CX FEL
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    110 round fender in the shop for crustoration
    Ferris IS3200Zzero turn mower

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    Quote Originally Posted by chex313 View Post
    Can you test it with the FEL on and see if it helps, nice and low. Wonder if its stuck in 4x4?
    Yes, I did check it with the FEL on. It does even MORE damage...

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    Keeper of the GTT Cookies dieselshadow's Avatar
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    You can jack the rear of the tractor up. Be careful as it will want to tip on the front axle pivot. Try spinning a rear wheel. If they spin together in the same direction, the diff lock is engaged. If they spin opposite, it's not locked and in the normal position.
    - Jason

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    2720 w/ 200CX FEL
    , Ken's weld-on hooks, Fit Rite Hydraulics Top and Tilt kit, Artillian forks.
    1954 60 - getting full restoration, 1964
    110 round fender in the shop for crustoration
    Ferris IS3200Zzero turn mower

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    Quote Originally Posted by dieselshadow View Post
    If the gears line up, there'll be no resistance. If they don't line up, it may not even go down.
    Hmmmm. I'll drive it around a bit and see if I can find any gear resistance. If not, then I bet that is the problem - stuck in differential lock mode. If it is, what kind of damage has THAT done to my axel? Hours BTW are 13.2, not 10.

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