thanks man I think this is my exact problem with my armstrong air it's only about 10 years old or so and this is the only video I could find with as drastic of a grinding noise and first thought was it was a bearing so I'm glad I was on the right track
thanks man I think this is my exact problem with my armstrong air it's only about 10 years old or so and this is the only video I could find with as drastic of a grinding noise and first thought was it was a bearing so I'm glad I was on the right track