Хятад XZWD нарны эрчим хүч үйлдвэрлэх нэг эгнээний бөмбөлөг холхивчийн …
Ball slewing ring is lubricated every 100 hours,roller slewing ring is lubricated every 50 hours.Fill the raceway with grease till it is seeping from the seals.Also check the pre-tightening force of slewing ring, must keep enough pre-tightening force. Give you attention to the runing slewing ri...