Thruster

Complete overhaul of bow thrusters and stern thrusters

Preparation and Safety Measures

  • Isolating the thruster from power and hydraulic sources
  • Securing the work area and using appropriate lifting equipment

Disconnection of hydraulic systems

  • Draining hydraulic fluids and disconnecting hoses and valves

Removal of the propellers and blades

  • Loosening and extracting propeller bolts or nuts
  • Carefully detaching propeller blades to prevent damage 

Disassembly of the gearbox and drive system

  • Dismantling the gearbox cover and extracting gears, shafts and bearings.
  • Inspecting components for wear, cracks or misalignment. 

Extraction of the shaft and bearings

  • Removing the main shaft and associated bearings

Dismantling of the motor and couplings

  • Detaching the electric or hydraulic motor
  • Inspecting couplings and mounting brackets 

Inspection:

  • checking the axial clearance and backlash, 
  • assessment of tooth adhesion 
  • assessment of bevel gear condition
  • pitch test (in the case of CPP).

Repairs :

Major overhaul – 10 years:

  • replacement of seals and bearings 
  • setting the clearance,
  • performing a pitch and leak tests. 

 

Minor overhaul – 5 years:

  • replacement of seals,
  • checking clearance,
  • performing a pitch and leak tests
  •  

Services

  • Vessel Handling
  • Crewing Services
  • Legal Documentation
  • Husbandry Services
  • Cash to Master
  • Ship Repairs

QR Barcode

© 2024 Graebanna Biru Maritim, All Rights Reserved