Paulfc Posted July 20, 2021 Report Share Posted July 20, 2021 Out in the glorious weather earlier when slowly the car started to become unresponsive. Nursed it home and after a few minutes diagnosing found the rotor had, basically, fallen apart. Read many items about poorly manufactured arms so I guess this is another. Having said that it may have been on the car for eleven or so years. Before I replace it I’d appreciate any advice on how best to clean up the resultant mess to the dizzy proper. Thanks in advance, Paul Link to comment Share on other sites More sharing options...
Chris A Posted July 20, 2021 Report Share Posted July 20, 2021 Oooooo! Not nice, surprised it ran at all Link to comment Share on other sites More sharing options...
Pete Lewis Posted July 20, 2021 Report Share Posted July 20, 2021 just remove the base plate and strip off the parts clean with petrol or brake cleaner fit new points and a red rotor arm always add a squirt of engine oil down below the baseplate to keep the top spindle bush lubricated if there is a worn spindle the points gap will vary as it rotates ,you can rebush lucas units if its stuff a firm side push will show if its got wear play Pete Link to comment Share on other sites More sharing options...
Paulfc Posted July 21, 2021 Author Report Share Posted July 21, 2021 Thanks, Pete, much appreciated. I’ll let you know how I get on. Link to comment Share on other sites More sharing options...
Paulfc Posted July 21, 2021 Author Report Share Posted July 21, 2021 Hi Pete, Is there a technique to be used to remove the base plate? I’ve disconnected everything but something is retaining the plate. As I try and lift it it feels as though there is a “spring” holding it. As ever, any advice greatly appreciated. Link to comment Share on other sites More sharing options...
Jeffds1360 Posted July 21, 2021 Report Share Posted July 21, 2021 My memory tells me it is like a bayonet fitting but just one pin, if you rotate? Clockwise? With a pull upwards, you will feel the pin into the slot and up she pops. Hope that helps. Link to comment Share on other sites More sharing options...
Paulfc Posted July 21, 2021 Author Report Share Posted July 21, 2021 Jeff, Thanks, that was it but with a spring clip opposite the bayonet that needed helping over the edge of the lower base plate. Much appreciated. Link to comment Share on other sites More sharing options...
Jeffds1360 Posted July 21, 2021 Report Share Posted July 21, 2021 Pleased you got it off. Last time I did it, I bent that spring plate! Not realising it was so low, when I replaced it all, the spring plate chewed the advance springs Had to by a 45 complete (30 quid) as there are no advance springs available, unless you know the size for the 25. pity, the 25 is much more solid. Link to comment Share on other sites More sharing options...
Pete Lewis Posted July 21, 2021 Report Share Posted July 21, 2021 do make sure all the base plate screws are removed as one of them stops the rotation to disengage the pin from the keyhole slot Pete Link to comment Share on other sites More sharing options...
Paulfc Posted July 26, 2021 Author Report Share Posted July 26, 2021 Thanks everyone. All done, nice and clean now with new points, rotor arm and dizzy cap and, with points set, runs like a dream. Link to comment Share on other sites More sharing options...
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