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  1. #1
    Veteran Member
    Join Date
    Jan 2001
    Posts
    1,326
    Location
    Alberta
    Tractor
    Kubota B2410 with turfs

    Default Bush Hog Top Link Pin

    Hi all,

    I have a problem with the swivel on the top of my King Kutter rotary cutter. The bolt that goes through the top link is held on by a snap ring (pin with a ring on it) which I believe is standard. The problem is a couple of days ago I was mowing and "felt" that something just wasn't quite right with the cutter. I was quite surprised to see that the whole bolt was missing and the top link was just laying on the cutter. [img]/w3tcompact/icons/crazy.gif[/img]

    I figured I didn't snap the ring on properly or something. Berated myself a little and went and bought another bolt and snap ring. Was out mowing last night and decided to keep a closer eye on the top link. Turned around at one point and the snap ring was gone!!! [img]/w3tcompact/icons/frown.gif[/img] Another few minutes and I probably would have lost the bolt again!!

    I think the swivel is hitting the snap ring and is breaking it when the cutter moves up and down over the terrain. Anyone else with a swivel at the top link have such a problem?

    Kevin


  2. #2
    Epic Contributor Bird's Avatar
    Join Date
    Mar 2000
    Posts
    38,085
    Location
    Texas

    Default Re: Bush Hog Top Link Pin

    I've lost a couple of the rings from my lower links, but never had that problem with the top link. I guess you know the "bolts" (big pin that goes through the link) come in different lengths. I wonder if you're using one that's too long. You may want to get one that's just barely long enough to go through and let you put the ring (lynch pin?) on.

    Bird

  3. #3

    Join Date
    May 2001
    Posts
    31
    Location
    Eugene, Oregon
    Tractor
    2001 Kubota BX2200

    Default Re: Bush Hog Top Link Pin

    I have the same set up you do but have never had a problem. I suggest you contact King Kutter and ask them for advice. If you don't have it you can get contact information at www.kingkutter.com. I have contacted them twice and have found them to be very helpful.

    OregonTom

  4. #4

    Join Date
    Sep 2000
    Posts
    28
    Location
    Fauquier County, Virginia
    Tractor
    NH TC-40D

    Default Re: Bush Hog Top Link Pin

    I've had the same thing happen with my top link pin on my Bushhog. I am using a pin that is long enough to move length wise (ie. too long) in the holes and it may be as Bird pointed out that in certain positions the edge of the frame the piviot link moves through may be catching the latching pin and poping it off. For a quick fix I safety wired the latching pin to the link pin and that seems to have stopped whatever was happening.


  5. #5
    Veteran Member
    Join Date
    Jan 2001
    Posts
    1,326
    Location
    Alberta
    Tractor
    Kubota B2410 with turfs

    Default Re: Bush Hog Top Link Pin

    The pin/bolt that I am using is the shortest length that will still allow me to get a snap ring through. Perhaps I actually need a longer one (if there is one) that will put the ring outside of the swivel link bracket. This would prevent the pin from banging against the bracket. I did have to get this bolt though as the one that "came with the tractor" was far too short for the width of the swivel on the Rotary Cutter.

    I must admit though, I was a little surprised that the pin would just break!!

    Kevin


  6. #6

    Join Date
    Mar 2001
    Posts
    223
    Location
    Tioga county, NY
    Tractor
    Kubota B2710/LA402 FEL, R4's

    Default Re: Bush Hog Top Link Pin

    Kevin,

    I have a variety of different pins for both bottom and top links. Some take "snap rings" and others use a sort of bobby pin gizmo. That's a poor description but they work like a cotter pin and the hole thru the pin is aprx. 1/16" in diameter. Maybe one of that style will work better for you than the snap ring type.

    Dave


  7. #7

    Join Date
    Jun 2001
    Posts
    23
    Location
    Tidewater Area of Virginia, near NC State line
    Tractor
    JD790

    Default Re: Bush Hog Top Link Pin

    Kevin,

    I'm a real novice so don't be insulted by my input.

    I had a problem with lynch pins being snapped off with my mower and learned that my problem was too much drift (side to side action) was popping off the pins. I took the "slack" out of the lower draft links and solved my problem.

    Larry



  8. #8
    Veteran Member
    Join Date
    Jan 2001
    Posts
    1,326
    Location
    Alberta
    Tractor
    Kubota B2410 with turfs

    Default Re: Bush Hog Top Link Pin

    Larry,

    Thanks for the input. Certainly not insulted! [img]/w3tcompact/icons/smile.gif[/img] The problem is not with the drift however. I always tighten up the bottom links before using any 3ph implement ( I know some are supposed to have a little sway....but I keep it good and firm for all the implements I use).

    The problem is actually at the swivel link on the King Kutter top link connection. Just the way the swivel is built causes the snap ring to come in contact with a solid metal bar whenever the swivel flexes down. The constant banging (due to uneven turf) is causing the snap ring to break, fall out and leaves the top link through bolt loose....and in one case lost! [img]/w3tcompact/icons/crazy.gif[/img]

    Got to get me a digital camera [img]/w3tcompact/icons/smile.gif[/img]...could post one picture that shows all this!!!

    Thanks,
    Kevin


  9. #9
    Veteran Member
    Join Date
    Jan 2001
    Posts
    1,659
    Location
    San Francisco Bay Area California (CA)
    Tractor
    Kubota B7500

    Default Re: Bush Hog Top Link Pin

    Kevin,

    The top link on my Woods mower also swivels (swings actually). However, I've never had it pop a pin. The arc that it swicgs through is where the braces come up in sort of a teepee shape, and there is a lot of clearance. I can't imagine what would cause a snap ring to break off. Perhaps it's just catching (on something) and getting pulled into the open position?

    The GlueGuy

  10. #10

    Join Date
    Dec 2000
    Posts
    24
    Location
    North/Central Arkansas

    Default Re: Bush Hog Top Link Pin

    I've lost the top link pin several times while using my King-Cutter mower as well...it's that darn swivel. First it was allowing the cutter to hit the back tires of my tractor, but taht problem was finally solved. Now, it 'eats' the lynch pin on the top link. Actually, I think it might have cut better that way. The swivel does not seem to do an adequate job at letting the front of the mower deck 'float' over the terrain. It takes a rather abrupt change in height to get it to move at all -- otherwise, it stays wedged all the way down. Anyway, without the top link connected, I set the height by lowering the 3pt to the required level, and the tail wheel took care of the rest. That only worked while mowing a large field though. Not any good for normal bush hog use.
    I've considered permanently attaching a bolt through the top link hole on the cutter, and using a heavy piece of chain to replace the top link on the tractor when using the bush hog. This would let the mower float properly while cutting, and still allow me to raise the deck to move around when needed. Anyway, enough for now.



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