624、接通地面电源

865、Solvent that stays on the part can cause corrosion.

864、Solenoid valves shall be shown with a notation indicating whether the valve is spring-loaded to the open or closedposition.

863、Rinse the basin with water

862、Remove the sleeve to releasee the sliding tube.

861、 Remove the sealant with a blunt scraper.

860、Remove the pin before you turn the pulley.

859、Rectify the defect before you stop the/pump momentarily.

858、Perform preliminary inspection of all articles that are maintained.

857、Make sure that you turn the control knob counterclockwise.

856、Make sure that you remove all tool and equipment.