Sinking winch main operating skills: inspection of each transmission system is flexible and reliable brake Liaoning jz sinking winch and adjust the brake release time gap between the brake shoe and the brake wheel is not greater than 0.7-0.8mm. Check the safety brakes each transmission system is flexible and reliable, and adjust brake release gap between brake shoe and the brake wheel is not greater than 1.5mm. According to the above, we regard after sinking winch installation inspection and adjustment. Winch Maintenance: spindle bearings, intermediate shaft bearings, couplings and a floating open gear and other positions requiring lubrication should be changed regularly or calcium based grease. The remaining parts should be lubricated before each drive lubrication. Electro-hydraulic thrusters should bear synthetic spindle oil or transformer oil. Use the winch should be equipped with full-time drivers and skilled maintenance personnel.