EE STATED HE WAS AT MINE FAN HOUSE CHECKING BEARING ON FAN MOTOR FAN WAS OFF, WAS PULLING ON FANBELTS TO MAKE SHAFT TURN SO A DETERMINATION COULD BE MADE ON WHICH BEARING WAS BAD DURING THIS PROCESS EE'S LEFT THUMB GOT CAUGHT BETWEEN BELT PULLEY. EE SUSTAINED FRACTURE TO TIP OF THUMB