Abnormal noise vibration sieve

Our customers reflect shaker during use sometimes appear abnormal noise , if there is such a phenomenon please customers do not worry, from the following aspects to find a cause

can be solved :
( A ) whether the reflection beam ring screws loose bundle ring and vibrating screen supplier frame can fit ;
( 2 ) reflect perforated plates without break , or being able to put the grid grooves ;
( 3 ) whether the consolidation of crusher plant durable base , when the exciting force is too large without constant reinforcement should base ;
( 4 ) whether there is a spring break scene ;
( 5 ) whether the motor mounting bolts are loose or damaged ;
( 6 ) whether the body in contact with other objects .