The motor movement as the heart part of the barrier machine must be well maintained.Maintenance frequency is generally once a month: first open the barrier upper lid to cut off the power supply, clean the surface dust, the transmission part of the first clean after adding butter or high concentration of oil lubrication treatment.Check all fasteners are loose, tighten the fasteners, monitor the wear of the wearing parts, if it is found that the wear extent of the prescribed components to be replaced in time, check the positioning arm and positioning plate for more than 3 mm clearance, if there are any change in time, right amount add butter or oil solenoid valve core, make the solenoid valve in the movement around is to reduce the resistance,Get lubricated, but dont add too much, or it will backfire.