Inspection on the water:

• Backlash and tooth pattern verification – upper part,
• Trust bearing clearance verification on horizontal shaft – upper part.

Inspection in the dock:

• Backlash and tooth pattern verification – upper/lower part,
• Proppeler blades seals exchange,
• Propeller shaft seals exchange,
• Support bearing clearance verification on steering tube,
• Pressure test on intermediate section.

General overhaul:

• Azimuth thruster removal from the vessel,
• Disassembly,
• Parts verification,
• Machining,
• Backlash and pattern adjustments,
• Azimuth thruster installation on board,
• Pressure test.