Jeffds1360 Posted June 24, 2021 Report Share Posted June 24, 2021 I've drip fed the rear but what can you do for the front bearings. I'm happy to keep it with dynamo but the price difference to an alternator is not much. Any recommendations from you experienced boys? Link to comment Share on other sites More sharing options...
Chris A Posted June 24, 2021 Report Share Posted June 24, 2021 18 minutes ago, Jeffds1360 said: I've drip fed the rear but what can you do for the front bearings. Very good question. I haven't an answer though, but someone will be along with at least 1. I shall keep an eye for replies Link to comment Share on other sites More sharing options...
rogerguzzi Posted June 24, 2021 Report Share Posted June 24, 2021 Hello Jeff I have a rebuilt Dynamo that has not done many miles going spare if you are interested? I have the paper work for the repairs somewhere! I came off our Mk1 Vitesse as I am going to an Alternator Roger 1 Link to comment Share on other sites More sharing options...
johny Posted June 24, 2021 Report Share Posted June 24, 2021 The front bearing is sealed and lubed for life however Ive just had to change mine as on spinning by hand I could feel it was rough. I didnt even have to buy the new one from a Triumph place as theyre available very cheaply direct from bearing suppliers on ebay. The two problems I had were that I bashed the threaded end of the shaft (pulley end) to push it through the bearing and its very, but very soft so it bulged out quite severely. The repair was to reform the thread which was succesful but time consuming. The other issue was that the woodruff key was stuck in the shaft and again was so soft that it was destroyed trying to remove it. In the end I filed it flat and drilled a small hole in it to install a short pin for locating the drive pulley👍 Link to comment Share on other sites More sharing options...
Pete Lewis Posted June 24, 2021 Report Share Posted June 24, 2021 if you remove the pulley and the through bolts the front cover will remove and you can replace the bearing race Pete Link to comment Share on other sites More sharing options...
PeteH Posted June 24, 2021 Report Share Posted June 24, 2021 Other than Bearing Noise, Is the Dyno, working? (Ie electrical out put?) If so from memory. the bearings are/where replaceable, while you at it, refurb and undercut the Comutator too?, with new brushes. p.s if you decide on that course, go for good grade bearings. Pete Link to comment Share on other sites More sharing options...
johny Posted June 24, 2021 Report Share Posted June 24, 2021 4 minutes ago, johny said: The front bearing is sealed and lubed for life however Ive just had to change mine as on spinning by hand I could feel it was rough. I didnt even have to buy the new one from a Triumph place as theyre available very cheaply direct from bearing suppliers on ebay. The two problems I had were that I bashed the threaded end of the shaft (pulley end) to push it through the bearing and its very, but very soft so it bulged out quite severely. The repair was to reform the thread which was succesful but time consuming. The other issue was that the woodruff key was stuck in the shaft and again was so soft that it was destroyed trying to remove it. In the end I filed it flat and drilled a small hole in it to install a short pin for locating the drive pulley👍 oh yes and the WSM shows it all😁 Link to comment Share on other sites More sharing options...
Jeffds1360 Posted June 24, 2021 Author Report Share Posted June 24, 2021 Ahhhh! Oh well, lots to consider. Thank you all. I'll have a think, a look and get back. Oh, forgot to say, it is working fantastically well! Pushing out 16+ on occasion Link to comment Share on other sites More sharing options...
Chris A Posted June 24, 2021 Report Share Posted June 24, 2021 2 hours ago, johny said: The front bearing is sealed and lubed for life Oh, shame I was looking forward to adding that to my maintenance schedule 📋 Link to comment Share on other sites More sharing options...
johny Posted June 24, 2021 Report Share Posted June 24, 2021 yes its a pity as theres quite a bit rain and grot thrown at it over the years so I found very little grease in mine☹️ Link to comment Share on other sites More sharing options...
PeteH Posted June 24, 2021 Report Share Posted June 24, 2021 I "upgraded" the Vitesse back in the 80`s to an Alternator, about the last time I had anything to do with Dyno`s. But Dynamo`s are on the whole relatively simple machines. A good bearing supplier will be able to provide a quality sealed bearing. I always went for SKF, back when I was doing such things especially on industrial production machinery or marine Pumps etc;. IF you know the bearing Number. I have a book with hundreds of "equivalents"?. As I said in a previous post, it`s well worth "doing" the comutator and fitting new brushes while its dismantled. Pete Link to comment Share on other sites More sharing options...
Jeffds1360 Posted June 24, 2021 Author Report Share Posted June 24, 2021 It looks like I have sourced a 'new' (40miles on clock) from a member on here which I will purchase next week. I'll swap it over and then investigate and repair the old one. I now have 2 half shafts, a 25D distributor (no advance springs) and a 150CD carb all sorted and spare! Also another hard top....Plum was first registered 50 years ago last week and I forgot his birthday on the 15th but his presents surround him!! Link to comment Share on other sites More sharing options...
Jeffds1360 Posted June 24, 2021 Author Report Share Posted June 24, 2021 Can you fit a C40L to mine? I guess the brackets are too far apart?? Link to comment Share on other sites More sharing options...
Pete Lewis Posted June 25, 2021 Report Share Posted June 25, 2021 its not hard to pack /space brackets to suit rear lug positions pete 1 Link to comment Share on other sites More sharing options...
Jeffds1360 Posted June 29, 2021 Author Report Share Posted June 29, 2021 All is silent ... all is swell (sweet and well) Fitted the C40L with a ? 3/8 ? ish spacer and it is soooooo quiet! Never realised how noisy the old one was. which goes click diddy click, click wham boo, just spinning by hand !!! Now to get those overider cages jammed up :(.... separate post and problem Thanky you Mr Rogerguzzy Link to comment Share on other sites More sharing options...
rogerguzzi Posted June 29, 2021 Report Share Posted June 29, 2021 49 minutes ago, Jeffds1360 said: All is silent ... all is swell (sweet and well) Fitted the C40L with a ? 3/8 ? ish spacer and it is soooooo quiet! Never realised how noisy the old one was. which goes click diddy click, click wham boo, just spinning by hand !!! Now to get those overider cages jammed up :(.... separate post and problem Thanky you Mr Rogerguzzy Hello Jeff Did the bracket I sent you not fit then? Roger Link to comment Share on other sites More sharing options...
Jeffds1360 Posted June 29, 2021 Author Report Share Posted June 29, 2021 To tell truth Roger, I never even tried it! When I placed your new one in, I just noted the gap and as I had a handy spacer that size, I just slipped it in and after swoping the bolts round all was lined up and I fired Plum up and it was so quiet, I was overjoyed. Link to comment Share on other sites More sharing options...
Jeffds1360 Posted July 6, 2021 Author Report Share Posted July 6, 2021 I have now stripped the dynamo. I found NO felt ring in the rear, so any oil had nowhere to live. That bearing is sound though. I'm trying to drill the rivets out of the front retaining plate.....what the heck are the made of??? I centre punched them from the 'inside' and have been trying for hours, using my 3, 4 & 5mm tungsten drills. So far, I'm through on one and it seems way off centre. Any tips or hints please? Link to comment Share on other sites More sharing options...
Pete Lewis Posted July 6, 2021 Report Share Posted July 6, 2021 yes buy an Alternator Ha !! Pete Link to comment Share on other sites More sharing options...
Jeffds1360 Posted July 6, 2021 Author Report Share Posted July 6, 2021 I'm surprised at you!!! Repair, re-cycle and some other R?? No way do I chuck and replace! Think of the environment and my bank balance. I have the c40l (20A) on now so just trying to do my bit 1 Link to comment Share on other sites More sharing options...
Pete Lewis Posted July 6, 2021 Report Share Posted July 6, 2021 can you grind the heads off ??? whats the other end like ??? Pete Link to comment Share on other sites More sharing options...
Jeffds1360 Posted July 6, 2021 Author Report Share Posted July 6, 2021 Looks like I will have to resort to grinding Peter, the rivets are very hard material and the heads are not central to the holes in the plate. You know the 'oiler' the felt washer at the other end, which was missing, is there an off the shelf/home made substitute for this? I also read there is a felt washer under the drive end bearing so if/when I get the bearing out (and replace it), if the washer needs replacing, what is best to use there? I guess these felt washers just act as oil 'reservoirs' ??? If I wasn't doing this, I'd probably be in the bar...hic. Link to comment Share on other sites More sharing options...
Pete Lewis Posted July 6, 2021 Report Share Posted July 6, 2021 any bit of felt should work just so long as it absorbs oil ok its just as a slow release reservoir something like https://www.dunelm.com/product/pack-of-10-20mm-round-felt-pads-1000047507?defaultSkuId=30042540 might work with a bit of sculpturing with a ....dagger Pete Link to comment Share on other sites More sharing options...
Jeffds1360 Posted July 6, 2021 Author Report Share Posted July 6, 2021 👍 like corn plasters! Cheers. We do have scissors oop hea 😊 Link to comment Share on other sites More sharing options...
Peaks Posted July 7, 2021 Report Share Posted July 7, 2021 On 24/06/2021 at 13:06, PeteH said: p.s if you decide on that course, go for good grade bearings. Pete I.agree with this 100%. The cheap bearings available are cheap for a reason. If used you are building in unreliability. Link to comment Share on other sites More sharing options...
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