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In Order To Prolong The Service Life And Improve The Working Efficiency Of The Hydraulic Elevator, We Should Pay Attention To The Maintenance Of The Hydraulic Elevator Only When We Usually Use It. Maintenance Of Mechanical Equipment Of Hydraulic Elevator: 1. The Brake Of Each Mechanism Shall Be Checked And Adjusted Frequently To Ensure Flexibility And Reliability. On The Friction Surface, There Should Be No Dirt. In Case Of Dirt, It Must Be Washed Off With Gasoline Or Thinner. 2. The Lubrication And Hydraulic Oil Of The Reducer, Gearbox, External Gear And Other Parts Shall Be Carried Out According To The Requirements In The Lubrication Table. 3. Check The Connection Of Each Part Frequently, And Tighten It If It Is Loose. The Tightness Of The Connecting Bolt Of The Engine Body Shall Be Checked When The Engine Body Is Under Pressure (the Method Of Rotating Arm Can Be Used To Cause The State Of Pressure). All Connecting Shafts Must Have Split Pins And Be Fully Opened. 4. Pay Attention To Check Whether The Wire Rope Is Broken Or Loose. If It Exceeds The Relevant Regulations, It Must Be Replaced Immediately. The Maintenance Of Wire Rope Shall Be In Strict Accordance With Gb5144-85. 5. Check All Wires And Cables Regularly For Damage. Bandage And Replace The Damaged Parts In Time. 6. When Installing, Disassembling And Adjusting The Slewing Mechanism, Pay Attention To Ensure That The Center Line Of The Reducer Of The Slewing Mechanism Is Parallel To The Center Line Of The Gear, Its Meshing Surface Is Not Less Than 70%, And The Meshing Clearance Is Suitable. 7. Check The Operation Of Each Mechanism Regularly For Normal Operation And Noise. If Any Fault Is Found, It Must Be Eliminated In Time. 8. Stop The Motor In Time In Case Of Overheating, And Continue To Operate After Troubleshooting. The Motor Bearing Shall Be Well Lubricated. 9. The Contact Surface Of Each Part Of The Brush Shall Be Kept Clean, And The Brush Pressure Shall Be Adjusted So That The Contact Area Is Not Less Than 50%. 10. The Contact Opening And Closing Of The Travel Switch Of Each Safety Device Must Be Reliable, And The Contact Crater Shall Be Polished In Time. 11. All Control Boxes And Distribution Boxes Shall Be Kept Clean And Dust On Electrical Equipment Shall Be Cleaned In Time.