Section 7 Gas turbines - Detailed requirements
Clasification Society 2024 - Version 9.40
Clasifications Register Rules and Regulations - Rules and Regulations for the Classification of Special Service Craft, July 2022 - Part 1 Regulations - Chapter 4 Periodical Survey Regulations for Yachts - Section 7 Gas turbines - Detailed requirements

Section 7 Gas turbines - Detailed requirements

Parent topic: Chapter 4 Periodical Survey Regulations for Yachts

7.1 Complete Surveys

7.1.1 The requirements of Pt 1, Ch 4, 6 Machinery surveys - General requirements are to be complied with. See Pt 1, Ch 4, 6.2 Complete Surveys 6.2.10 regarding any deviation from the following.

7.1.2 The following parts are to be opened out and examined:

  • Compressor including impellers or blading, rotors and casing.
  • Combustion chambers, burners, intercoolers and heat exchangers.
  • Gas, air and fuel piping and fittings.
  • Gas generator turbine and power turbine blading, rotors and casing
  • Rotors to include couplings, clutches, bearings and tie bolts.
  • Auxiliary mounted fuel, L.O. and cooling water pumps, their drive transmissions and fittings.
  • Starting system (for starting air pipes, see Pt 1, Ch 4, 8.1 Complete Surveys 8.1.3).
  • All safety devices and local controls.
  • Mountings and support frame.

7.1.3 The compressor/turbine units are to be operated and maintained in accordance with the manufacturer's instructions. Overhauls, including the prescribed replacement of limited life components, are to be undertaken at the specified intervals. Full service records are to be available for review by the Surveyor.

7.1.4 The manoeuvring of the propulsion system is to be tested under working conditions.

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