Azi Pod SUPPORT
LOOKING AFTER YOUR AZIPODS
The development of azipods has made it even more important they are properly looked after as they are relied on for manoeuvrability and propulsion. They tend to incorporate more advanced technology than traditional thruster systems, so the right partners are key
With OEM trained engineers and a wealth of knowledge and industry partners alongside our personalised service you can be assured of the right technical and operational support for your vessel’s equipment.
With OEM trained engineers and a wealth of knowledge and industry partners alongside our personalised service you can be assured of the right technical and operational support for your vessel’s equipment.
Azipods, or Azimuth Pods, to give them their full name are a type of advanced marine propulsion system where the propulsion unit (propeller and electric motor) is mounted on a pod that can rotate 360 degrees beneath the vessel. This design provides excellent manoeuvrability, efficiency, and operational flexibility compared to traditional fixed-propeller or shaft line systems.
Key Features of Azimuth Pods (Azipods):
- 360-Degree Rotation: The ability to rotate the pod allows precise steering and eliminates the need for a conventional rudder.
- Integrated Electric Motor: The motor is housed within the pod, directly driving the propeller, which reduces mechanical complexity and improves efficiency.
- Thrust Efficiency: Azipods can deliver thrust in any direction, improving vessel manoeuvrability, fuel efficiency, and performance.
- Versatility: Commonly used in cruise ships, icebreakers, offshore vessels, and specialized marine applications.
- Reduced Noise and Vibration: The electric motor design contributes to quieter operations, which is beneficial for passenger comfort and marine life.
Key maintenance intervals for azimuth propulsion pods (azipods) depend on the manufacturer’s recommendations, operating conditions, and the type of vessel. Proper maintenance is critical for ensuring performance, reliability, and longevity, as azipods are highly sophisticated systems. Below is a general overview of key maintenance intervals and tasks for azimuth pods:
1. Daily or Pre-Operation Checks
Visual Inspection: Check for visible damage, oil leaks, or unusual wear on the pod or seals.
System Monitoring: Monitor operating parameters like oil pressure, temperature, vibration, and motor performance using onboard systems.
Alarm System: Ensure that all sensors, alarms, and monitoring systems are operational.
Lubrication Levels: Confirm proper levels of gear oil and hydraulic fluids.
2. Weekly or Monthly Maintenance
Oil and Filter Checks: Inspect the condition of lubrication and hydraulic oil. Replace filters if necessary.
Performance Review: Evaluate thrust, power usage, and system efficiency for deviations.
Electrical Inspections: Inspect cables and connections for damage or corrosion.
Electrical Inspections: Inspect cables and connections for damage or corrosion.
3. Quarterly or 6-Month Maintenance
Gearbox Oil Sampling: Conduct oil analysis to identify contamination or wear particles in the oil.
Propeller Inspection: Check the condition of the propeller for damage, cracks, or erosion.
Anode Replacement: Inspect and replace sacrificial anodes to prevent corrosion of the pod housing.
Steering System: Test and inspect the steering components of the azipod for proper functionality and responsiveness.
Cooling Systems: Inspect and clean cooling systems for the motor and gearbox, ensuring they function efficiently.
4. Annual Maintenance
Full Lubrication Change: Replace gear oil and hydraulic fluids completely.
Thrust Bearings: Inspect and assess wear on thrust and radial bearings.
Seal Replacement: Replace critical seals, such as shaft seals, to prevent oil leaks and water ingress.
Electrical Motor Inspection: Perform detailed electrical testing on the motor, including insulation and winding checks.
Vibration Analysis: Conduct vibration testing to identify early signs of imbalance or wear.
5. Dry Dock Maintenance (Every 5 Years or Per Manufacturer Guidelines)
Overhaul of Gearbox: Perform a comprehensive inspection and overhaul of the gearbox, replacing worn components as needed.
Pod Housing Inspection: Remove and inspect the pod housing for structural integrity and corrosion.
Propeller Blade Replacement: If necessary, replace or repair propeller blades for optimal performance.
Thrust Bearing Overhaul: Replace or refurbish thrust and radial bearings.
System Calibration: Recalibrate the steering, control systems, and monitoring equipment.
NDT (Non-Destructive Testing): Conduct detailed inspections of critical components, such as the pod structure and shafts, using NDT techniques to detect internal flaws or cracks.
6. Continuous Condition Monitoring
Many azipods now come with advanced condition monitoring systems that provide real-time data. These systems help identify early signs of wear or potential failures, allowing predictive maintenance and minimizing downtime.
Key Factors Influencing Maintenance Intervals:
Operational Environment: Vessels operating in ice-covered waters or high-salinity areas (e.g., offshore operations) may require more frequent maintenance.
Load Profile: Heavy-duty or constant operation can accelerate wear on components.
Manufacturer’s Recommendations: Each azipod manufacturer, such as ABB, Rolls-Royce, or Wärtsilä, will provide specific guidelines tailored to their design.
