MD1 splines worn out in centre draper - The Combine Forum
 
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post #1 of 8 (permalink) Old 02-19-2019, 06:28 AM Thread Starter
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MD1 splines worn out in centre draper

Have seen 2 new MD1's that have worn out the splines in the centre draper drive. Both the hydraulic motor spline and the spline in the roller is worn out with only 500 hours on the front. If you have an MD1, I suggest you remove the hydraulic motor and check your splines. I have heard of this happening with FD75's but not at this low hours.

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post #2 of 8 (permalink) Old 02-19-2019, 11:41 AM
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Sounds like it is made with tin not steel lol. 500 hrs must be time to trade. Quality at it's finest these days.

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post #3 of 8 (permalink) Old 03-12-2019, 09:37 PM
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Had a couple only make 350 hrs. this last season. After the first one stripped out we had macdon harvest support out and they REFUSED to help check the other heads out and we tore them apart quick... Pretty comical how fast their attitude changed when all of a sudden they looked like a bunch of lazy putz's and had to start tracking down parts.
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post #4 of 8 (permalink) Old 03-12-2019, 09:59 PM
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How hard are they to check, do you need to pull adapter.
The splines look dry and only just engaged.
Dealer says there is no issues known.

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post #5 of 8 (permalink) Old 03-12-2019, 10:30 PM
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I would say there is an adjustment issue there, should grab by more than half the splines, and not running completely straight to the roller to wear that quick. Getting way too much movement in there.

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post #6 of 8 (permalink) Old 03-13-2019, 05:18 PM
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Originally Posted by KWO View Post
How hard are they to check, do you need to pull adapter.
The splines look dry and only just engaged.
Dealer says there is no issues known.
Saw a photo last harvest of about half a dozen rebuilt exchange units sitting at the front door of Condi wreckers in Esperance waiting to be picked up or shipped that would indicate there is a known issue. Motor can't physically go in far enough to engage properly.
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post #7 of 8 (permalink) Old 03-14-2019, 04:11 PM
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Not too bad to check. When I pulled the first one I did it from the top and split the whole center belt. When we checked the other ones I did it from underneath and only split the belt halfway and was able to pull the motor out.
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post #8 of 8 (permalink) Old 03-14-2019, 05:38 PM
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That deal looks like a recall in the making!
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