Military Vehicles, June 1997,: Re: [MV] good news,bad news....

Re: [MV] good news,bad news....

=?ISO-8859-1?Q?Torfinn_S=F8rnes?= (tsornes@online.no)
Tue, 3 Jun 1997 20:16:49 +0200

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Maybe in reply to: Hayes-Holgate, Shaun: "[MV] good news,bad news...."

It does not sound like an adjustment problem to me. If your regulator
starts to overcharge due to an internal error then the voltage should rise
to several volts above normal voltage. A problem like this should not cause
a backfire. I would think that you have a short circuit somewhere. If you
have a short circuit then the voltage drops and the regulator tries to keep
it up and therefore starts to overcharge. If the voltage drops enough then
the ignition system malfunctions and you have no spark. No spark
corresponds to the backfiring problem. The short circuit could even be
inside your batteries.

If a battery is charged with a high current it may produce hydrogen gas,
that is highly explosive. A spark will then cause the batteries to explode.

Connect a voltmeter to the batteries and watch the reading. If it drops you
likely have a short circuit. If it rises then you have a regulator failure.
You could also measure the voltage of each cell of the batteri, in order to
see if one of them has a short circuit.

Regards
Torfinn Sornes
Norway

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