The BSA A7-A10 Forum
Technical (Descriptive Topic Titles - Stay on Topic) => Lucas, Ignition, Charging, Electrical => Topic started by: barry2 on 17.09. 2019 10:09
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Hi Mates
Went out on the 1954 Road Rocket today, didn't go over 60mph, but the needle went past 120mph and stayed there, open it up and it a Chrono' type, prodding and touching things till the needle shot back around to the zero, so two thing happened something made it go right around and something else stopped it returning ? anybody know what to do, I've got Jonathan Jones sheets for overhauling it but hasn't told me anything as yet, anyone any ideas?
All the best Barry
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If the "clock" escapment stop ticking when the needle drive gear is engaged, this is the result. If no damage has been done, you may get away with a clean and oil (clock oil only). Continuing to use it may result in wearing/stripping of gears.
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If the "clock" escapment stop ticking when the needle drive gear is engaged, this is the result. If no damage has been done, you may get away with a clean and oil (clock oil only). Continuing to use it may result in wearing/stripping of gears.
Ask here, he is very good.
He made a wonderful job of my speedo.
http://www.chronometrics.co.uk/
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I endorse Roy's recommendation. Russell is a lovely guy and knows everything about speedos.
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Hi Mates
Forgot to give a final result, I had a feeling the speedo square drive was slipping ( maybe flicking the speedo drive) fixed that,,cleaned and oiled the Chrono' mechanism and put it back, it's fine ever since
Barry