[Public-list] Two questions

[Barbara and Jim Palmer]

Be aware that with a larger alternator and smart regulator you can cook your
batteries. Our friend Bob did just that and had to replace them all
(battereies)again.
Barb
----- Original Message ----- 
From: "George Dinwiddie" <gdinwiddie at alberg30.org>
To: "Alberg 30 Public List -- open to all" <public-list at alberg30.org>
Sent: Wednesday, July 14, 2004 2:26 PM
Subject: Re: [Public-list] Two questions


> On Wed, Jul 14, 2004 at 01:17:16PM -0400, Phil Prosser wrote:
> > You can run the engine and then disconnect the battery (at the battery).
If
> > the engine fails then your alternator most likely needs rebuilt or
replaced.
>
> Most likely the alternator diodes will be destroyed if you remove the
> battery load while running the engine.  I would recommend a simple
> voltage check.  Measure the battery voltage while the engine is running.
>
> If it's 12.8 volts or less, the alternator is doing no charging.  It's
> a problem with the alternator, the voltage regulator, or the wiring.
>
> If it's 13.6 volts or more, the alternator is fine.  It may be that your
> electrical needs are more than a standard alternator with a standard
> voltage regulator can supply.  Consider a "smart" regulator to charge
> the batteries more efficiently.  Consider a larger alternator if you
> need more power than that.  Be aware that a need for more power requires
> upgrading lots of things.
>
> If it's between 12.8 and 13.6 volts, something's weak.  I'd check the
> continuity of all the electrical connections for a start.
>
> The belt is probably the least likely source of problems, but if it's
> slipping, then tighten it.  Note that the more power being drawn from
> the alternator, the heavier the load it puts on the mechanical drive to
> it.
>
>  - George
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