SECTION – IV Operating Instructions..............................................................12 4.1 Safety precautions for operation of diesel engine.............12 4.2 General instructions..........................................................12 4.3 Preparation for first start...................................................12 4.3.1 Cooling system.......................................................13 4.3.2 Lubrication system..................................................14 4.3.3 Checking the oil level..............................................15 4.3.4 After an extended storage.......................................15 4.3.5 Fuel system.............................................................16 4.3.5.(a) Priming the fuel system.....................................17 4.3.6 Electrical system ....................................................17 4.3.7 Engine starting, operating and stopping.................17 4.3.7.(a) Normal starting..................................................18 4.3.8 Running in period....................................................19 4.4 Regular operation.............................................................20 4.4.1 Engine starting........................................................21 4.4.2 Engine warm up......................................................21 4.4.3 Monitoring the engine oil.........................................21 4.4.4 Monitoring the engine coolant.................................22 4.4.5 Monitoring the exhaust gas.....................................23 4.4.6 Engine shutdown....................................................23 SECTION - V Periodic Maintenance................................................................27 5.1 Safety precautions............................................................27 5.2 Importance of periodic maintenance.................................27 5.3 Replacement of parts and components............................27 5.4 Reliability of parts.............................................................28 5.5 Safe use of oil and fuel in a diesel engine........................28