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4.4.1 Engine starting
• Before starting the engine conrm the fuel throttling and gear box engaging
lever is in NEUTRAL position (refer gure 4.20).
• Do not touch the throttle or throttle lever while starting the engine. Engine should
start and stabilize in the specied idle speed without any aid.
• If engine has stopped by pressing emergency button, release the button before
restart.
• If the engine is stopped by shutting main fuel supply valve, open the fuel valve
before the starting attempt.
• Always ensure safe coolant level in the heat exchanger expansion tank.
Figure 4.20
4.4.2 Engine warm up
After the engine is started, it takes a while for the lubricating oil to re-establish the required
oil lm in between moving parts. The most appropriate clearance conditions between
moving parts are obtained only when the engine parts reach the normal operating
temperature. Gradually accelerating the engine during warm up will avoid abnormal
wear and tear of liner, piston rings and bearings caused by insufcient lubrication.
4.4.3 Monitoring the engine oil
Always maintain the correct oil level in the sump. Too high and very low level will
be a threat to engine safety. During warm-up period, engine should be loaded
gradually, until it reaches the temperature of 60°C. Required oil pressure will
ensure enough oil ow to various engine sub-assemblies and parts. Oil pressure
will vary depending on viscosity and oil viscosity depends on temperature. Normal
oil pressure at 105°C should be between 300-350 KPa
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