(ET) Fw: battery charger

["Wombat" <Wombat RealNS com>]

----------
> From: Wombat <Wombat RealNS com>
> To: electrak cosmos5 phy tufts edu
> Subject: battery charger
> Date: Friday, August 13, 1999 1:57 PM
> 
> According to my manual, you should read 70 volts AC across transformer
> secondary with leads disconnected from diodes.  Also, a spseific warning
> not to attempt to read capacitor voltage.  I have had a bad cap and it
only
> reduced the voltage to below a charging level, not to zero.  An educated
> guess is that if the transformer is good you have one diode in reversed. 

> also, for whatever it's worth, they say to not reuse the heat sink ( as
if
> spares are available) and that a 2 volts output indicates shorted diodes.
> 
> If you do have a bad transformer, I have a couple of "part outs" that may
> have a good one.
> 
> Neil, running all kinds of battery drive lawn equip.