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Roger V
Firing on two.
Joined: March 21st, 2013, 12:04 am
Posts: 1622
Location: Exeter, Devon
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 Alternator Noise Hi all
Alternator is making a noise, but if I remove the exciter wire, the noise stops!
Is this normal?
Cheers
_________________
If you can't fix it with a hammer, it's probably electrical (or, an electric fuel pump!) ....
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| May 9th, 2017, 7:00 pm |
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Derek
Firing on two.
Joined: April 20th, 2017, 10:55 pm
Posts: 107
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Re: Alternator Noise Removing the exciter lead will cause a loss of demand, therefore the alternator will be under no load. When under load, it is likely to produce a sort of moan, which will alternate when the Voltage Control Regulator cuts the alternator in and out.
Unless the noise is that of a worn bearing. Depends on what sort of noise you are hearing.
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| May 9th, 2017, 9:28 pm |
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Roger V
Firing on two.
Joined: March 21st, 2013, 12:04 am
Posts: 1622
Location: Exeter, Devon
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Re: Alternator Noise Thanks Derek Moaning is a good description.. So that would appear normal then. As I have a spare that needs attention, I may recondition one of them and see if that helps. I have so much noise and vibration from the engine/gearbox that I will keep picking at it and replacing/reconditioning parts. Thanks again 
_________________
If you can't fix it with a hammer, it's probably electrical (or, an electric fuel pump!) ....
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| May 9th, 2017, 11:15 pm |
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