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A7 & A10 Engine
A7 1946-1950
Gearbox, Clutch, Primary
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Lucas, Ignition, Charging, Electrical
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The BSA A7-A10 Forum
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Lucas, Ignition, Charging, Electrical
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E3L dynamo not charging
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Topic: E3L dynamo not charging (Read 7373 times)
A10Boy
Wise & Enlightened
Join Date: Jun 2008
Posts: 1078
Karma: 11
Solihull, Near Birmingham England.
Re: E3L dynamo not charging
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Reply #15 on:
23.09. 2013 12:14 »
PM sent
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Regards
Andy
1958 Super Rocket
Plus
Harley Super Glide Custom
Yam XJR 1300
beezermacc
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Re: E3L dynamo not charging
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Reply #16 on:
23.09. 2013 12:46 »
PM received. If you want anything please send me an e-mail and your phone number from my website. Best wishes, Andrew
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Gerry
Valued Contributor
Join Date: Nov 2012
Posts: 261
Karma: 6
Re: E3L dynamo not charging
«
Reply #17 on:
25.09. 2013 12:12 »
Just a thought that might not be relevent but on the build of my A10 the dynamo had not been used in God knows how many years and according to what I have been told the field coil core loses its residual magnetism over time. I replaced the bearings with sealed ones, fitted new old stock Lucas brushes, checked the resistance of the field coil and the armature after a light skim and undercut segments looked really good. On assembly used my variable speed drill with socket on the shaft nut and checked with an analogue multimeter........1.5~2.00 volts!!! "Flashed" the field coil with a lead from the battery plus a + lead from the battery to the case and then ran it again with the D and F terminals bridged together and got 25 volts on the meter!! Had a good nights sleep after that
Gerry
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Adelaide
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The BSA A7-A10 Forum
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Technical (Descriptive Topic Titles - Stay on Topic)
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Lucas, Ignition, Charging, Electrical
»
E3L dynamo not charging