Mower lift linkage broke
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    Mower lift linkage broke

    I noticed that the left side of the deck was not raising and found the left lift arm broke where the adjustable linkage attaches (number 15) in the exploded view. The adjustable linkage part number 7 was bent. All of the parts are part of the tractor warranty and the dealer ordered them on an emergency basis so I would get them the next morning (today).

    I picked up my service manual during my trip to the dealer for these parts. When I go home I looked in the manual and it gave the steps to remove the lift arm, which looks pretty easy even without the manual. No such luck. Both left and right lift arms were rusted on would not simply slide off the rockshaft which they are keyed onto. What I did not notice in the manual was it says to remove the floor board for better access. Both lift arms are on the keyed rockshaft for a distance of about 3 inches so penetrating oil takes some time to work its way through. It took a pry bar and a long punch to finally get the lift arms off (45 minutes or so). I cleaned up the rockshaft ends with emery paper so the lift arms slide on and off easier. It will go back together with a coating of long term grease of some type.

    The linkage view was difficult to find on the parts breakdown even for the dealer parts man. Go to the alphabetical listing and look under "mower lift linkage"
    Attached Thumbnails Attached Thumbnails Mower lift linkage.jpg
    2025R Gen II, 260B Backhoe, D120 Loader, 60" deck
    X754 All Wheel Steer with 60" deck

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    rtgt's Avatar
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    Anti-sieze can be you best friend.
    dieselshadow and PaDave like this.

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    Did you take photo's of your work?
    1025R FILB - And lots of other goodies. Support our GTT American small business vendors! Great products at fair prices.

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    felixm22's Avatar
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    Quote Originally Posted by rtgt View Post
    Anti-sieze can be you best friend.
    That and Kroil is one of my favorite penetrating oils.
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    John Deere 318, 50in deck, 54in blade w/ power angle

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    The lift arms are a bear to get off. It took me about the same amount of time to get mine off when I installed the hydraulic lift & I had the floor board removed.
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    Quote Originally Posted by rtgt View Post
    Anti-sieze can be you best friend.
    I've used anti-sieze a lot in my life but I didn't think of it this time......darn it. I used a premium grease. It all went back together real easy. The keys just pushed in by hand. Then I went out and mowed the grass. Now I'm pooped.

    It's still not too bad to do the job with the floor board installed.
    Last edited by jimfrits; 05-10-2014 at 04:57 PM.
    2025R Gen II, 260B Backhoe, D120 Loader, 60" deck
    X754 All Wheel Steer with 60" deck

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    Quote Originally Posted by JohnFromOKC View Post
    Did you take photo's of your work?
    No, but I will take a photo of the lift arm that broke. It's real evident why it broke.
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    2025R Gen II, 260B Backhoe, D120 Loader, 60" deck
    X754 All Wheel Steer with 60" deck

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    xcopterdoc's Avatar
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    I havent seen one break yet. Any ideas as to the root cause of the failure? I'd like to see a pic. Some of the kits we have been getting in have had rust on the rockshafts and arms. Slows things down slightly when doing an install. Anti sieze sounds like a great idea. Lil dab will do ya! Man that stuff sure gets all over the place quick!

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    rtgt's Avatar
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    Quote Originally Posted by felixm22 View Post
    That and Kroil is one of my favorite penetrating oils.
    I haven't tried Kroil yet. Sounds like an invaluable GGT tip.... I have some exhaust manifolds to persuade off of an old 460 that might just be a good opportunity to try it.....

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    rtgt's Avatar
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    Quote Originally Posted by jimfrits View Post
    I've used anti-sieze a lot in my life but I didn't think of it this time......darn it. I used a premium grease. It all went back together real easy. The keys just pushed in by hand. Then I went out and mowed the grass. Now I'm pooped.

    It's still not too bad to do the job with the floor board installed.
    Glad to hear that you got it fixed. I your grass is growing like mine, you can't afford to be down for long. I'm afraid to fertilize mine.. I'd need a machete to get out the door!

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