How to detect impact crusher is normal?

(1)whether Funnel is blocked ,The amount of feed is tilted or not.

(2)Detection of motor load, temperature, sound condition.

(3)Check whether there is friction appearance of cavities.

(4)Each bearing temperature should not exceed 50 to 60 degrees.

(5)Oil creamy points each case, whether or not appropriate.

(6)Each bearing temperature should not exceed 50 to 60 degrees.

(7)Pumps, oil ring is functioning properly,whether the tubing is blocked or not.

(8)Operation is normal or not .

(9)Each screw fastening is comfortable.