Series 1 C40 Dynamo strip down
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- เผยแพร่เมื่อ 26 ส.ค. 2024
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This video is produced for entertainment purposes only and Britannica Restorations nor Michael Wesson and/or guests featured in this video shall not, in any way or measure, be held accountable or responsible for any damages related to attempted repairs as pictured in this video.
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One of my first jobs as an apprentice, was to learn how to refurbish a C40... So that would have been 60 years ago! I was taught to use a broken hack saw blade to scrape the divisions, in commutator, to remove all the accumulated carbon. Brought back happy memories though, of home in West Wales and my brilliant old tutor, Ben Jones, bless him!
This was really nice, and I know it was a good runner so no need to cut the commutator - just had a sticking brush - see reassembly tomorrow!
A lot of that old Lucas stuff is wonderfully re-buildable, and was well supported with spare parts, (I guess being a little unreliable it needed to be!)
In 1966 I bought a 1946 Arial square four motorcycle from a guy who was selling it cheap because the dynamo wouldn't charge the battery and he'd lost interest in the bike. I gave him the princely sum of $80 Au for it, the bike had a combination Lucas dynamo with skew drive for a Lucas distributor which made it a bit unique for the day. Fixed the dynamo with two new brushes, old brushes had worn away and remains were stuck in the brush holders. Ran that old Square Four for many years dynamo worked perfectly.
Bet you wished you hung on to it now - $33,000+ for a nice one!
@@BritannicaRestorations I sold it to an American in 1970 for a nice profit even back then. If I'd kept all the lovely British bikes and cars I've owned in my life I'd be a millionaire.
Your S1 dynamo would have had two nuts connectors for the field and dyno wires at the back of the dynamo and not the Lucas spade connectors as on yours. They didn't come out until the early 60s. I still have a couple in my garage waiting for me to recondition along with some C45s. After running the armature in the lathe to level the com out I would use a junior hack-saw blade to clean the segments out. Dont be frightened of taking the field coils out, they are quite easy to do. hit the screws hard with an hammer and they come out easy. watch out for the cardboard that covers the two field soldering together, I use the stiff paper from inside an old book to replace those after soaking them in WD40.Great video Mike, I was with you all of the way when watching it. Stay safe, best wishes from Yorkshire Rob.
Yes it is marked 1967
Got your card! Not had time to do a shout-out yet!
Memories off my dad there pulling a dynamo apart from a Moris traveler back in the 70s I was only 5 interesting stuff and as you can see things were built to last back then all the best donny
Thanks Donny!
From working on a couple old Fergys last year I found it’s the brush springs that break on them
Easy to fix - the springs are steel so can rust out - bugger
@@BritannicaRestorations I think the starters are similar with 4 brushes, Lucas I think , I’ve never known how the dynamo regulators worked, looked complicated. Lots of wires
The Series 1's I used to work on had C39 generators on them, slightly lower output and different terminals
it is marked 1967 so it must be an upgrade
Nice job Mike. I have a te 20 tractor here in South africa and my dynamo died so I went to my local landrover breaker and got an old one from a landies and it works fine. My series has an alternator so I couldn't pince it. Stay warm and keep your fantastic videos going.
You could be lucky and get a C42 dynamo which puts out 27 amps!
I had a 750cc bike with a dynamo , a Laverda SF2 1975. The battery failed once and I got paranoid about expensive and mysterious charging system faults . The bike's vibrations had caused a battery plate to break and wear a slot in the battery floor ! No dynamo fault thank goodness . Mind you I could have got a spare from a VW Beetle !
I am loving the Series one work you are doing Mike ; but not all that cold white stuff outside ! ATB
The days when parts were designed to be repaired and refurbished, not thrown away. Mechanics are generally fitters now. Hope you have a new set of brushes for it.
See part 2 tomorrow!
I do like the shiny spanners 😁
Memories, I would leave the commutator alone, any scratches can wear out the brushes in no time, the only thing I remember about diagnosis is it's highly unlikely that both the dynamo and regulator would fail at the same time so I would join the dynamo and field connections together and connect to a positive if it ran like a motor then it was OK and the regulator was faulty, if it didn't then the dynamo was faulty and the regulator was OK ha ha.
Hi Mike. This video came at the right time for me as I am preparing to strip the dynamo on my 1953 80inch. I am looking forward to the next installment. Greetings from a hot 🔥 🥵 South Africa. 🇿🇦
Will be putting it back together tomorrow
Nice one m8 great content love reading some of the comments from you're old school subscriber's keep em coming
Gibby in OZ
Thanks for coming
For us older people its sad to think that all of these old skills that people were trained to do repairing stuff will all go as young people are not into mending stuff its just down to if something goes wrong buy a new part its sad but then life goes on.
Correct - so many things like modern alternators are not worth fixing as parts are difficult to find
Refreshed the dynamo on my 1969 Massey ferguson 165, nice to keep things original.
Right on!
I remember the days when cars had generators (dynamos) and regulators that might need the cut-in and cut-out relays adjusted, sometimes you had to flash the field coils to get them to work and you tested the armature on a growler for shorts.
This one was pretty good as I never had an issue with it
I remember that, usually when you changed over to a negative earth radio.
Got to say. Really enjoying the improved audio quality.
Thanks - I am still having to work out the best setup
That brought back memories. If you ever have to replace the plain bush, run a suitable tap down it and then with a bolt and spacer tube, draw it out. But I'd assume you knew that anyway. Working on Cooper S dynamos they had a larger pulley than on the standard cars so the rpm would be kept lower because of the average higher speeds. Happy days, well some of them were!
The bush was good - changed the bearing and brushes I had then on the shelf
Have you ever gone back and watched your videos so you can remember how to put things back together?
Yes I have! Especially if I have taken something apart I am not familiar with and then wait months for parts!
Waiting for parts is the worst.....
Still few genuine bits on ebay sometimes
Mike what came first? The c40 dynamo or the dismantling tool?
Lol!
Might you need new brush springs Mike ? That one brush seems shy of working ! Maybe it could not slide in its holder ?
See next part!
@@BritannicaRestorations I must be learning something from you ! Cheers !