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Oct 19, 2016 10:21 am
Oct 19, 2016 10:21 am
Subject: Re: G9 gearbox
Adam, having refreshed my memory by looking at my notes this morning I suppose it could be possible to renew the seals with the gearbox "in situ" and without taking off the front and rear housings (I presume that is what you suggest in your post ?). However the shafts will be in the way and it would be very difficult to remove the old seals and put in new ones without damaging the new ones.
It would be much better to get the gearbox on to the bench and then take off the housings. However having gone that far it would probably also be a good idea to take it all apart to check the condition of the bush in the middle of the main shaft and all the vital oil holes in the helical gears. That probably really means a strip and rebuild but it is not too difficult if done carefully.
Adam, having refreshed my memory by looking at my notes this morning I suppose it could be possible to renew the seals with the gearbox "in situ" and without taking off the front and rear housings (I presume that is what you suggest in your post ?). However the shafts will be in the way and it would be very difficult to remove the old seals and put in new ones without damaging the new ones.
It would be much better to get the gearbox on to the bench and then take off the housings. However having gone that far it would probably also be a good idea to take it all apart to check the condition of the bush in the middle of the main shaft and all the vital oil holes in the helical gears. That probably really means a strip and rebuild but it is not too difficult if done carefully.