News Shearer Arm Gearbox Failures High-speed zone faults of Shearer Arm Gearbox mainly are high-speed gear tooth wear, pitting, gluing and scraping, in high-speed or heavy-duty gear transmission, due to the deterioration of gear arm g... Tags: Shearer Gearbox Failures VIEW DETAILS Common Failures and Troubleshooting of Mining Mud Pump Followings are common failures of mining mud pump and troubleshooting: Fault 1: Pump Vibration Reason: pump shaft and diesel engine (or motor) are not heart, impeller imbalance, bearing damage; Solut... Tags: Failures Troubleshooting Mud Pump VIEW DETAILS Menu Enterprise News Trade News Technical Data Foreign Customers Domestic Customers Hot News China Coal Group Participation 2024 Qingda... China Coal Group Signs International Order... China Coal Group Attends 2024 Qingdao Inte... China Coal Group Participates In 2024 Qing... China Coal Group Participates In The 2024 ... China Coal Group And Yantai Ruicai Enginee... China Coal Group Signs Orders At The 135th... China Coal Group Signed Purchase Orders Wi...