Sinking winch repair and maintenance: Check the tub. Check damage rubber springs. Check that the hinges of damaged. Health checks uninstalling wheel is normal. Sinking winch usage rules: tub to be able to work perfectly without failure Liaoning jz type sinking winch must be well maintained and in compliance with rules. Sinking winch: Working brake. Its work process: when a hydraulic pusher energized the spring or hammer push brake shoe release; Shanxi power hydraulic pusher type jz sinking winch, springs or weights reset hold brake wheel brake shoe brake. Pusher motor chain, start the motor the brake is released if the brake to stop the motor.