[Shop-talk] battery chargers

Randall tr3driver at ca.rr.com
Sat Dec 12 14:06:50 MST 2009


> We seem to go through quite a few battery chargers and have 
> 4-5 ones that no
> longer work.  Most are the manual kind i.e. set the timer 
> then the amps.  My
> question is ...is anyone familar with a way to fix them ?? 

They are usually very simple inside, so open it up and make a few tests.  If
the transformer is gone, it's probably not worth replacing.  But if it's
just a diode, or circuit breaker, they are fairly easy and cheap to replace.

I've been using an old Schumacher 2/10/50 model for many years now that was
given to me in "quit working" condition.  All it needed were some diodes,
which I salvaged from a scrap alternator.

Randall


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