- stop the engine
- close the fuel oil supply.
4) Switch-off the auxiliary blowers and engine room ventilation.
5) Open the skylight(s) and/or “Stores hatch’.
6) Leave the engine room.
7) Lock the casing doors and keep away from them.
8) Prepare the fire-fighting equipment.
Do not open the crankcase until at least 30 minutes after stopping the engine. When opening up, keep clear of possible spurts of flame. Do not use naked lights and do not Smoke.
9) Stop the circulating oil pump. Take off/open all the lowermost doors on one side of the crankcase. Cut off the starting air, and engage the turning gear.
10) Locate the “hot spot”. Use powerful lamps from the start.
Feel over, by hand or with a “thermo feel”, all the sliding surfaces (bearings, thrust bearing, piston rods, stuffing boxes, Crossheads, telescopic pipes, chains, vibration dampers, moment compensators, etc.). See also point 14. Look for Squeezed-out bearing metal, and discolouration caused by heat (blistered paint, burnt oil, oxidized steel). Keep possible bearing metal found at bottom of oil tray for later analyzing.
11) Prevent further “hot spots” by prefer ably making a permanent repair. In case of bearing running hot,
