Repair & Maintenance of Rubber Tyred Gantry Crane

Comprehensive Maintenance Services for KALMAR Rubber Tyred Gantry Cranes

At Chittagong Port Authority (CPA), we understand that our KALMAR Rubber Tyred Gantry (RTG) cranes are essential for efficient container handling. Our dedicated maintenance program ensures the longevity, safety, and operational efficiency of our fleet of RTGs (4022, 4023, 4024, 4025, 4026, 4027, and 4028).

Key Maintenance Activities

Routine Inspections

  • Daily Pre-Operational Checks
    • Inspect tires, gantry structures, cables, brakes, and hydraulic systems.
    • Verify safety features like limit switches and alarms.
  • Weekly Inspections
    • Check wheels and tires for wear.
    • Monitor fluid levels (hydraulic, brake, coolant) and wiring integrity.
  • Monthly Checks
    • Detailed inspections of wheel alignment, wire rope wear, and mechanical linkages.

Lubrication

  • Regularly lubricate moving parts to minimize friction.
  • Ensure oil levels in hydraulic systems, gearboxes, and bearings meet specifications.

Electrical System Maintenance

  • Inspect electrical cables and connections for damage.
  • Test emergency stop buttons and ensure proper grounding.

Hydraulic System Maintenance

  • Monitor hydraulic fluid levels and check for leaks.
  • Replace hydraulic filters regularly.

CMS and PLC Systems

  • Periodic monitoring of PLC systems.
  • Troubleshooting and CMS oversight.

Brake System Maintenance

  • Regular checks on brake pads, discs, and actuators.
  • Test the emergency braking system for functionality.

Wire Rope and Hoisting Mechanism Maintenance

  • Inspect wire ropes for wear or fraying.
  • Ensure hoisting mechanisms operate smoothly.

Structural Inspections

  • Examine the main gantry structure for signs of damage.
  • Conduct non-destructive testing (NDT) as needed.

Control System Maintenance

  • Keep control system software up to date.
  • Inspect control panels for any loose connections.

Environmental and Safety Considerations

  • Regular cleaning to prevent dust and corrosion.
  • Monitor environmental impacts and apply protective coatings.

Documentation and Record-Keeping

  • Maintain a detailed maintenance log of all activities.
  • Follow manufacturer’s guidelines for warranty compliance.

Why Choose Us?

Regular maintenance of RTG cranes not only extends their lifespan but also enhances operational efficiency and safety. Trust our experienced team at CPA to keep your equipment running smoothly.