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'50 M Transmission main shaftand seal removal Adv
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Posted by Sagebrusher on June 12, 2007 at 20:04:34 from (69.19.14.15):
Hello,
This time it is bad seals and loose bearings on the old girl"s transmission main (input) shaft and Lift-all drive shaft where they emerge from the front of the transmission. The lift all drive shaft I think I have a handle on. The transmission side drive coupling even unscrewed in a decent manner and came right off.
I ran a search back to 2001 but could not find definitive advice on removing the main shaft drive coupling.
We disconnected the joint between the clutch shaft(?) and the transmision input shaft, loosened the drive shaft coupling and pulled it forward untill it hit the clutch shaft coupling. The half moon key came out but no luck on getting the coupling off the shaft. No amount of back and forth juggling would give us enough clearance to remove the coupling.
We pulled the "Transmission Driving Shaft bearing cage" (bearing and seal flange assembly to me) but even that would not allow removal of the stub shaft and the coupling as a unit.
Does the tractor have to be split to remove the driving shaft coupling on the transmission side? Will removing the clutch linkage allow enough clearance to pull the coupling off?
Thank you in advance. I have learned a lot from following your seasoned advice and experience. Best Regards Don
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