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Deutz WP6C/WP4C Series Marine Diesel Engine Use and Maintenance Manual
10 (6) It is not allowed to place any metal object on the battery. (7) Check the sulfuric acid level every day after the use of battery. Add distilled water if needed. 4.2 Operation precautions 4.2.1 Operation precautions Prior to starting the diesel engine, check the levels of oil, cooling water and fuel and the When starting the diesel engine, if it is not started in 15s, wait for 2min and then restart it. After starting the diesel engine, run it at idle speed for 2~3min and the oil pressure should be , do not run the diesel engine suddenly in high speed and with large load, because ℃ this will affect the wear resistance and the reliability of the engine. Check the diesel engine for “three leakages” every time after operation. If the diesel engine runs with load, prior to shutdown, decrease the load, lower the speed, and run Check the oil level of the diesel engine: carry out the check 5min later after shutdown. Note: To avoid damaging the diesel engine, during operation, it is not allowed to remove the 4.2.2 Precautions for starting and operation in cold environment (1) If long-acting antifreeze is not added in the cooling water of the diesel engine, during use in cold days, the cooling water must be drained out after shutdown to avoid frosting the diesel
Figure 4-3 Drain valve (2) Before the cold seasons begin, check electrolyte level, viscosity and unit voltage of the battery. If the engine is in an environment with very low temperature for a long time, take the |