Ray Charles could "see" the misalignment of that alternator pulley. It's putting the belt in a constant bind and wearing out the sides. Investigate/repair the reason the alternator housing is cocked clockwise several degrees in the picture.
Jerry

"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. - Ernest Hemingway
Love your enemies and drive 'em nuts!