assemble pto drive shaft

   / assemble pto drive shaft #1  

geoffleach

Member
Joined
Apr 27, 2013
Messages
31
Location
mountain ranch, ca
Tractor
Antonio Carraro TRH 9800, TTR 4400
This concerns a PTO drive shaft that has come apart. The shaft itself, not its PTO connection. The shaft connection is splined. The tractor side has a section where there are no splines - width of two or three splines. I would expect to find a matching section on the implement side, but no dice. The tractor side can be fitted to the implement side, but only slips in a half inch or so.

So, what am I missing? (FWIW, the implement is a Rears 750 mower)
 
   / assemble pto drive shaft #2  
I always hated those fine splined ones, my Uncle had a tiller with a shaft like that, we found it easier to lay a straight edge on the shaft side yokes to be sure it was phased, then it can only go in one of two places 180 degrees apart
 
   / assemble pto drive shaft #3  
Look real close at the male shaft , 1/2 " in where it stops there will be a tiny dot of weld between two of the splines. That has to line up with where the splines are missing on the female side. B
 
   / assemble pto drive shaft #4  
Had one PTO shaft that had 2 splines that were "pinched" together in one spot. Those slipped into the female part where the gap was.
 
   / assemble pto drive shaft #5  
Had one PTO shaft that had 2 splines that were "pinched" together in one spot. Those slipped into the female part where the gap was.

Ditto 2 splines pinched together on male end is the way my splined shaft is. They can be a pain to get lined up.
 

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