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orangeman 
Orange Level
Joined: 12 Sep 2009
Points: 1857
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 Topic: H-3 Left Sprocket
Posted: 05 May 2013 at 7:21pm |
Sometimes acts like it locks when in reverse. Any ideas why it would do this.
I have not pulled the tracks off yet to inspect.
Good news there are no leak under the final drive, output shaft or near the inside of the sprocket.
Any help very much appreicated.
Thank-you...Orangeman
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Tracy Martin TN
Orange Level Access
Joined: 11 Sep 2009
Location: Gallatin,TN
Points: 10845
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Posted: 05 May 2013 at 7:30pm |
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If on that one side, I would guess chipped tooth off of bull gear or pinion. HTH Tracy Martin
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Coke-in-MN
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Joined: 12 Sep 2009
Location: Afton MN
Points: 42039
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Posted: 06 May 2013 at 12:14am |
From something in track to bad bearing allowing the gears to go out of mesh. Chipped or broken gear in finals or a bad output bearing which allows the ring and pinion to lock when pinion gear moves of mesh with ring gear. Jack up that side to take load off track and try it with power to that side only with no load on the track , might give you a idea of what it might be.
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Life lesson: If you’re being chased by a lion, you’re on a horse, to the left of you is a giraffe and on the right is a unicorn, what do you do? You stop drinking and get off the carousel.
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orangeman
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Joined: 12 Sep 2009
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Posted: 06 May 2013 at 4:05am |
Tracy and Coke - Thank you for the excellent insights. I will check on those items mentioned.
Appreciate the help!
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Eric B
Orange Level
Joined: 09 Feb 2012
Location: British Columbi
Points: 984
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Posted: 07 May 2013 at 9:12pm |
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I have had it happen when backing up and steering that the the track chain skips over the flanges of the rollers and then the sprocket will bind absolutely solid. When you back up the machine the slack part of the track is on the bottom making it easier to move sideways and pulling fwd the track is taut on the bottom and not as likely to skip the roller flanges. When this happens next time stop right there and climb off your machine and check the track and the sprocket.
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Currently- WD,WC,3WF's,2 D14's B. Previously- I 600,TL745,200,FL9,FR12,H3,816 LBH. Earth has no sorrow that Heaven cannot heal!
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EricTn
Silver Level
Joined: 11 Sep 2009
Location: Mid Tenn
Points: 98
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Posted: 07 May 2013 at 9:55pm |
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Might check the oil in the final drives or any other suspected component for metal cuttings. If you have a bearing or gear down there probably would be metal in the oil. Might have to check the drain plugs if they have a magnet on them for metal chips/teeth etc. Some fine metal on magnets is probably normal if not cleaned for awhile. I agree with Eric B on the track idea also. Also may be a good idea to next time it happens, stop, look at and paint mark the sprocket and track to help determine if it occurs at the same place each time on either one.
We have a D6 Cat with a clunk in one track. Pretty much sure it is due to worn rail.
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Clark44
Bronze Level
Joined: 06 May 2013
Location: Austria
Points: 4
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Posted: 08 May 2013 at 10:53pm |
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At the time you go down the machine the slack part of the track is on the lowest part making it less demanding to move sideways and pulling fwd the track is taut on the base and not as liable to avoid the roller ribs.
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