towpro wrote:
I am on my 2nd motor since October 2016 and this one is starting to sound like crickets are in it at lower speeds.
Interesting design. The brush holders (I assume are vertical) and I think what happens is the brushes hang up in the brush holders an that is what causes the cricket sound. After a while it stops working.
When I took the first motor out before I replaced it, I whacked the end with a hard faced plastic mallet and it was working fine again, I presume I knocked the brushes loose again but I already had the replacement in hand so it was replaced. The case is welded shout, If this last one stars 'cricketing' again, I may grind the weld tabs off and have a look inside.
Nice fan but the motor is questionable.