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Drive train couple on MH 44

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Damon

07-07-2002 16:57:39




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I actually have a MH 744D but except for the engine it is the same as the MH 44. I was slashing yesterday and the tractor would no longer transfer any power to the gear box. Narrowed down the problem to the coupling that is located between the clutch output shaft and the shaft entering the gearbox. The shaft entering the gearbox is not being turned by the coupling. Is there a shear pin or key in the coupling on the gearbox shaft side. The clutch output shaft has a spline cut on it but the gearbox input shaft appears to be round. Haven't had time to pull it apart yet and was looking for advice as to what to expect.

Thanks in advance,
Damon in Australia.

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David B

07-08-2002 13:23:39




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 Re: Drive train couple on MH 44 in reply to Damon, 07-07-2002 16:57:39  
what are you doing when you say you are slashing ?



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Damon

07-08-2002 15:38:44




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 Re: Re: Drive train couple on MH 44 in reply to David B, 07-08-2002 13:23:39  
Slashing is the term in Australia used to describe what I think you called using a brush hog. We call them slashers as that is the action they have on the grassing the the activity is therefore refered to as slashing.



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David B

07-08-2002 13:21:29




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 Re: Drive train couple on MH 44 in reply to Damon, 07-07-2002 16:57:39  
On the 44's the coupling used on the front or clutch end is splined and I belive the rear has a key way in it. The old ones had a roller chain rap that connected the two halves together and the later , (maybe 51 and later?) used a coupling with bolts through rubber bushings. I think they to were splined on the front and keyed on the rear



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Damon

07-08-2002 15:42:39




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 Re: Re: Drive train couple on MH 44 in reply to David B, 07-08-2002 13:21:29  
Thanks for the help David. I just hope that only the key has been sheered and there is no damage to the shaft as I don't what to have to split the tractor. My tractor is a 1950 manufacture and the coupling is connected by bolts through rubber bushings. The front is splined and it sounds like it is keyed at the back like you describe. Do you konw if I can replace the key by undoing the coupling and sliding the rear section back along the shaft and place the new key in??

Thanks once again,
Damon

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David B

07-08-2002 18:13:26




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 Re: Re: Re: Drive train couple on MH 44 in reply to Damon, 07-08-2002 15:42:39  
I don't know about getting a key in it by sliding the coupling back. A great idea if it will let you! Takes a small half moon key.
David B



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Damon

07-08-2002 19:13:24




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 Re: Re: Re: Re: Drive train couple on MH 44 in reply to David B, 07-08-2002 18:13:26  
David,
I will let you know how it goes when I have a chance to look at it later in the week.

Regards,
Damon



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