pulsar
New Member
I have a Balmar alternator, model 912-100.
The alternator failed at the beginning of the season and as we were cruising in the Greek isles I replaced it with the original VP alternator.
Now I am back in Malta I have opened up the Balmar alternator and find that 1 of the 6 diodes is shorted and the braid wire connection between it and another diode has melted.
It looks repairable, 6 new diodes plus replacing all the braid wire connections. I think the original cause was the crimp terminal on the post of the failed diode coming loose and going high resistance, causing a serious overheat/diode failure/wire melt.
The diodes are standard 1/2 inch press-fit diodes, 3 +, 3 -. But they are unmarked. So I have no part numbers, spec etc.
My problem is sourcing the diodes. I have scoured the net for suppliers in the UK with no success. Any help with suppliers would be appreciated.
The alternator failed at the beginning of the season and as we were cruising in the Greek isles I replaced it with the original VP alternator.
Now I am back in Malta I have opened up the Balmar alternator and find that 1 of the 6 diodes is shorted and the braid wire connection between it and another diode has melted.
It looks repairable, 6 new diodes plus replacing all the braid wire connections. I think the original cause was the crimp terminal on the post of the failed diode coming loose and going high resistance, causing a serious overheat/diode failure/wire melt.
The diodes are standard 1/2 inch press-fit diodes, 3 +, 3 -. But they are unmarked. So I have no part numbers, spec etc.
My problem is sourcing the diodes. I have scoured the net for suppliers in the UK with no success. Any help with suppliers would be appreciated.
