Section 8 Reciprocating internal combustion engines – Detailed requirements
Clasification Society 2024 - Version 9.40
Clasifications Register Rules and Regulations - Rules and Regulations for the Classification of Offshore Units, July 2022 - Part 1 Regulations - Chapter 3 Periodical Survey Regulations - Section 8 Reciprocating internal combustion engines – Detailed requirements

Section 8 Reciprocating internal combustion engines – Detailed requirements

Parent topic: Chapter 3 Periodical Survey Regulations

8.1 Scope

The requirements of this Section are applicable to reciprocating internal combustion engines, operating on liquid, gas or dual fuel, providing power for services essential to the safety of the unit.

8.2 Complete Surveys

8.2.1 The requirements of Pt 1, Ch 3, 6 Machinery Surveys – General requirements are to be complied with.

8.2.2 The following parts are to be opened out and examined:
  • Cylinders and covers.
  • Pistons, piston rods, connecting rods, crossheads and guides.
  • Valves and valve gear.
  • Crankshafts and all bearings.
  • Crankcases, bedplates and entablatures.
  • Crankcase door fastenings, explosion relief devices and scavenge relief devices.
  • Scavenge pumps, scavenge blowers, superchargers and their associated coolers.
  • Air compressors and their intercoolers.
  • Filters and/or separators and safety devices.
  • Fuel pumps and fittings.
  • Camshaft drives and balancer units.
  • Vibration dampers or detuners.
  • Flexible couplings and clutches.
  • Reverse gears.
  • Attached pumps and cooling arrangements.

8.2.3 Selected pipes in the starting air system are to be removed for internal examination and thickness measurement is to be carried out where considered necessary by the Surveyor. If any appreciable amount of lubricating oil is found in the pipes, the starting air system is to be thoroughly cleaned internally by steaming out, or other suitable means. Some of the pipes selected are to be those adjacent to the starting air valves at the cylinders and to the discharges from the air compressors.

8.2.4 The electric ignition system, if fitted, is to be examined and tested.

8.2.5 The manoeuvring of engines is to be tested under working conditions. Initial starting arrangements are to be tested.

8.2.6 Where steam is used for essential purposes, the condensing plant, feed pumps and fuel oil burning plant are to be examined and the steam pipes examined and tested as detailed in Pt 1, Ch 3, 11 Steam pipes.

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