rlubikey Posted August 13, 2016 Share Posted August 13, 2016 So, this afternoon I'm greasing the rear hubs on the Spit for the first time (I've only been a Triumph owner for 25 years!) so I insult the workshop manual. Quoted from Workshop Manual Apply gun until grease exudes from the bearing. After the shenanigans of getting the grease gun working, I apply a few strokes - no grease from the back of the bearing. A few more ... ! So, I'm up to 25 strokes and ... nothing. I take the wheel off and the drum. I know that's a gotcha, grease coming out inside the drum. Then I notice a pile of grease on top of the hub. Thanks a bunch Triumph w/s manual for telling me about the hole!!!!OK, now I know. Start on the other side with wheel already off so I can see the grease emerging. After about 20 strokes I'm getting worried. Poking around the crud, I can't find the hole. Scratch right across the area and ... NO HOLE! Then I see the grease has indeed exited on the brake side but at least the internal cover has guided it down and out through the back plate.So ... advice please oh sage ones.1) The hole in the hub, was it optional or does it indicate a cheap pattern part?2) Do I remove the brakes, cover, etc. and clean the grease out or will the cover do its job?Cheers, Richard Quote Link to comment Share on other sites More sharing options...
Dogsbody47uk Posted August 13, 2016 Share Posted August 13, 2016 Sounds as though the inner oil seals have been fitted the wrong way round. On swing axle models the lips of the inner seal should face the diff, so that excess grease comes out towards the diff and not into the brake drum. Cheers, Dave. Quote Link to comment Share on other sites More sharing options...
Pete Lewis Posted August 13, 2016 Share Posted August 13, 2016 My book says give 4 pumps not 20 The only hole ? Im aware of is the drain for any excess out via the backplate as you have foundbut this is really for leakage disposal away from the shoes rather than a filling guidepete Quote Link to comment Share on other sites More sharing options...
rlubikey Posted August 14, 2016 Author Share Posted August 14, 2016 Thanks guysQuoted from Dogsbody47uk Sounds as though the inner oil seals have been fitted the wrong way round. On swing axle models the lips of the inner seal should face the diff, so that excess grease comes out towards the diff and not into the brake drum. Cheers, Dave. Sounds like it doesn't it! Oh well, see if I can borrow the Churchill tool of my local group and change the seal round.Quoted from Pete Lewis My book says give 4 pumps not 20 The only hole ? Im aware of is the drain for any excess out via the backplate as you have foundbut this is really for leakage disposal away from the shoes rather than a filling guidepete My 1500 Spit Repair Operation Manual is the 2 pages on 1 reprint and deffo. says "until grease comes out" - no mention of how many strokes. I did 5 strokes and had a good look, then another 5, etc.So anyway, when I take the hub apart, is it worth adding the hole as I'm guessing it defines the route for fresh grease, from the nipple, through the bearing, and out. What do you think?Cheers, Richard Quote Link to comment Share on other sites More sharing options...
Dogsbody47uk Posted August 14, 2016 Share Posted August 14, 2016 Why bother changing the seals...just don't overgrease. I have the same problem on my 13/60, ended up with a brake drum full of grease, cleaned it out and it's ok. Cheers, Dave. Quote Link to comment Share on other sites More sharing options...
heraldcoupe Posted August 16, 2016 Share Posted August 16, 2016 Reversed seals is a very common problem, the root of it comes from some incorrect diagrams in official literature. I've seen them done this way on recon units from major Triumph suppliers, about 50% of those I work on seem to have the seals reversed.While it's not an ideal situation, as Dogsbody47uk says, it's something which can be lived with as long as we know about it. Grease doesn't exit into the drum when in use, it's only during the greasing operation. I suppose grease could exude if the bearing overheated, in which case you'll have plenty of other stuff to worry about at the same time.Cheers,Bill. Quote Link to comment Share on other sites More sharing options...
Jonny-Jimbo Posted August 16, 2016 Share Posted August 16, 2016 Any chance of a photo of the seals the correct and incorrect way round? Might make a useful reference for people searching this information. Quote Link to comment Share on other sites More sharing options...
Pete Lewis Posted August 16, 2016 Share Posted August 16, 2016 wheel } -< --<<--------- diff if that helps my manuals show the inboard seal as a double lip seal states ' Lips' fitted 'Trailing' Pete Quote Link to comment Share on other sites More sharing options...
Dogsbody47uk Posted August 16, 2016 Share Posted August 16, 2016 Quoted from Pete Lewis wheel } -< --<<--------- diff if that helps my manuals show the inboard seal as a double lip seal states ' Lips' fitted 'Trailing' Pete Exactly right, Pete, and succinctly displayed. Cheers, Dave. Quote Link to comment Share on other sites More sharing options...
Jonny-Jimbo Posted August 17, 2016 Share Posted August 17, 2016 Succinctly displayed Pete, thanks for that. Quote Link to comment Share on other sites More sharing options...
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