lift-all drive oil seal on 47 H

I have seen a post about this,but I don't remember how far back.The leak is at the transmision end.I have removed the connector from the trans to the pump.Do I just remove the three bolts on the cap on slide it off the drive.Also there seems to be a drain plug just below the access place.Would I drain the oil there or at the plug in back.Thanks for all your help on this rebuild project,got it runing but now have leaks where I didn't have before. Bill

(quoted from post at 14:19:54 09/07/08) I have seen a post about this,but I don't remember how far back.The leak is at the transmision end.I have removed the connector from the trans to the pump.Do I just remove the three bolts on the cap on slide it off the drive.Also there seems to be a drain plug just below the access place.Would I drain the oil there or at the plug in back.Thanks for all your help on this rebuild project,got it runing but now have leaks where I didn't have before. Bill

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You are correct, just remove the three bolts, remove the seal retainer, knock out old seal install new one and bolt it back together. There is no need to drain the oil in the transmission, just park the tractor so that the front is facing uphill or jack the front up a few inches and put a block under the front wheels, make sure you block the wheels so that it won't roll!

If you have only removed the coupling that is held in there with collars and cotter pins, you can't just remove the three bolts and pull the seal holder off. You have to remove the coupling end that is attached to the transmission counter shaft first. The seal runs on that coupling end. The coupling end is threaded on the counter shaft and has right hand thread and thus unscrews counterclockwise. These can be on there very tight due to the fact that the torque of the drive to the lift all has a tightening effect. You need to rig some kind of wrench made from 1/2 inch bar stock that will fit the slot in the end of the coupling. Then put the PTO in gear and put something on the PTO to keep it from turning. This locks the countershaft. Sometimes just putting the transmission in low gear is enough and engine resistance will be enough to get the coupling to break loose. After the countershaft is locked so it can't turn, then apply counterclockwise torque to the coupling. A few sharp raps with a hammer to your wrench in the slot should be enough to break loose the threaded coupling so you can unscrew it. After that you can remove the three bolts and remove the seal holder and the seal.