The operation specification and precautions of car lift(2)
Double column, hydraulic lifter can not be lowered for what reasons, how to exclude the return port strainer blockage, remove and clean. Solenoid valve spool network clogging, remove and clean. The speed control valve spool has impurities stuck, remove and clean. Mechanical insurance is not open or there is a mechanical obstacle stuck below the movement, check […]
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