Last weekend when I was motoring there was a belt squeal for a short time with an accompanying smell of overloaded electrical
. I shut down the engine
and opened the engine
room up. No visible smoke, no signs of any trouble, but the alternator
belt was hot to the touch. I had been motoring all day up until them with no problems at all. I fired the engine back up, and when nothing happened out of the ordinary, I motored home for another 3 hours with no further issues (no wind
Back in the slip I took a closer look and detected a fair amount of belt dust on the alternator
and surrounding parts
. So I cleaned off the dust and re-shimmed the alternator to make it run more true. Is there a chance that the alternator inhaled too much belt dust, causing the electrical
Today I took the boat out with no problems until I re-started the motor
to come into the marina. Same belt squeal with accompanying electrical smell. Checked things and again found no obvious problems, so I restarted the motor
and ran it another 30 minutes or so with no smell or problems.
I have one of the small frame Balmar
alternators with a smart regulator
mounted on a Perkins
4-154 on my boat. How might I begin trouble shooting the electrical smell? I think it might be tied to the alternator somehow.
All suggestions are welcome.