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R76 Gleaner accelerator roll drive
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Gary(WI) View Drop Down
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Joined: 27 Nov 2009
Location: WI
Points: 1008 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Gary(WI) Quote  Post ReplyReply Direct Link To This Post Topic: R76 Gleaner accelerator roll drive
    Posted: 19 Oct 2022 at 6:46am
I have an r76 that we put new drive gears on before beans and the gears are worn out already Anyone have an ideas Thanks
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MACK View Drop Down
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Joined: 17 Nov 2009
Points: 7664 		Post Options Post Options   Thanks (0) Thanks(0)   Quote MACK Quote  Post ReplyReply Direct Link To This Post Posted: 19 Oct 2022 at 6:54am
Are the rollers in time?                        MACK
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Unit3 View Drop Down
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Joined: 17 Oct 2009
Location: NC Iowa
Points: 5657 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Unit3 Quote  Post ReplyReply Direct Link To This Post Posted: 19 Oct 2022 at 7:54am
Timing would be the first and only thing to come to my mind.
2-8070FWA PS/8050PS/7080/7045PS/200/D15-II/2-WD45/WD/3-WC/UC/C
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DrAllis View Drop Down
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Joined: 12 Sep 2009
Points: 22800 		Post Options Post Options   Thanks (0) Thanks(0)   Quote DrAllis Quote  Post ReplyReply Direct Link To This Post Posted: 19 Oct 2022 at 8:10am
Never done one that new but, I do remember loosening the three bolts on each accelerator roll bearing flanges and positioning the roll shafts such that the gear lash wasn't tight, but also wasn't wide/loose. If you have had a failure of teeth, I'd imagine those shafts have been spread apart and the lash may be pretty sloppy, which could lead to early failures.
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JPG AUSTRALIA View Drop Down
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Joined: 13 Sep 2009
Points: 774 		Post Options Post Options   Thanks (0) Thanks(0)   Quote JPG AUSTRALIA Quote  Post ReplyReply Direct Link To This Post Posted: 19 Oct 2022 at 9:27pm
Those teeth are very hard,they take thousands of hours wear,the only time i see them fail is if something goes through the rollers,like a piece of steel or stone,and then a tooth or two will be sheared. Otherwise maybe your rollers aren’t timed and are fouling causing damage.
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cwhit View Drop Down
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Joined: 12 Sep 2009
Location: Sigel IL
Points: 1014 		Post Options Post Options   Thanks (0) Thanks(0)   Quote cwhit Quote  Post ReplyReply Direct Link To This Post Posted: 20 Oct 2022 at 5:29am
Check timing first. Then gear lash. Could be a bent shaft but you can see that in the gear lash also. Could also be a bearing. Had a 62 one time that had a key way messed up.
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