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Installation on board

MAN B&W DIESEL
Introduction

1. Storage and preservation
The task of appropriate preserving of the engine / engine parts is the respon

sibility of the engine builder and must be appropriate for the type of transportation, the duration and condition of storage and the prevailing climatic conditions. The responsibility for protecting and maintaining the engine after its arrival rests solely with the yard. It is also responsibility of the yard to check and maintain the preservation spare parts until the ship has been delivered to the ship owner. On arrival to the yard, the engine is to be inspected to verify its condition. Report is to be prepared on this subject. Special attention has to be given when checking the protective covering of such critical parts as crossheads, crankshaft and piston rods. ? Check for damage and check for corrosion, ? Check for proper protection against dirt. The same what is important to check if engine spaces are correctly closed, if all pipes or openings are properly covered: even protection looks good, to open crankcase for inspection. In case of any doubts the engine builder be called. Storage and preservation of assembled engine ? Cases: - Transportation of engine in one unit - Storage of assembled engine on shore - Storage of assembled engine on board until flushing ? The effective method of preservation: de-humidifier ? Periodical turning of crankshaft ? Lubrication of bearings before any turning of crankshaft: - Main bearings - Crosshead bearings - Crankpin bearings, thrust bearing, chain case ? Covering crossheads with special apron

2730/MRA, 2005.01.21 Version 4

1

Installation on board

MAN B&W DIESEL
Introduction

Storage and preservation of engine sections / parts ? They should be protected from damage, corrosion, dirt, dust etc. ? Smaller engine parts, including those delivered on boxes, should be stored indoors (in warehouse). ? Big engine parts (engine sections) preferably to be kept indoor. Alternatively, they can be stored outdoors in specially erected temporary tent or hut. It is recommended to equip such tent or hut with dehumidifier. ? The area close to the slip way or dry dock is not suitable for storage of engine sections due to dusty and dirty atmosphere.

2730/MRA, 2005.01.21 Version 4

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