Section 9 Reciprocating internal combustion engines – Detailed requirements
Clasification Society 2024 - Version 9.40
Clasifications Register Rules and Regulations - Rules and Regulations for the Classification of Naval Ships, January 2023 - Volume 1 Ship Structures - Part 1 Regulations - Chapter 3 Periodical Survey Regulations - Section 9 Reciprocating internal combustion engines – Detailed requirements

Section 9 Reciprocating internal combustion engines – Detailed requirements

Parent topic: Chapter 3 Periodical Survey Regulations

9.1 Scope

9.1.1 The requirements of this Section are applicable to reciprocating internal combustion engines, operating on liquid, gas or dual fuel, providing power for Mobility or Ship Type systems.

9.2 Complete Survey

9.2.1 The requirements of Vol 1, Pt 1, Ch 3, 7 Machinery survey – General requirements are to be complied with.

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

  1. Cylinders, covers, valves and valve gear, pistons and piston rods, crossheads, guides, connecting rods and crankshafts and all bearings, crankcases, bedplates, entablatures, crankcase door fastenings and explosion relief devices, 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.

9.2.3 Selected pipes in the starting air system are to be removed for internal examination and are to be hammer tested. 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. This requirement is only applicable to engines using compressed air directly into individual cylinders through starting air valves, it is not applicable to air motor starting systems.

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

9.2.5 Where steam is used for Mobility or Ship Type systems, the condensing plant, feed pumps and fuel oil burning plant are to be examined and the steam pipes examined and tested as detailed in Vol 1, Pt 1, Ch 3, 12 Steam pipes

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