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    How to maintain diesel generator

    时期:2020-03-21 16:24:15 点击数:

    The diesel generator is used as a backup emergency power supply for each station of the oil pipeline. After the mains power failure, the process equipment and instrument communication are powered by the UPS uninterruptible power supply, and the living area and office area are powered by the backup power generator. So, how to carry out maintenance, what are the matters needing attention?

    1. Check whether the cooling water in the water tank is full before starting.

    2. Check whether the oil capacity of the diesel engine is between the standard scale lines.

    3. Check whether the battery has enough power and the battery connection is strong.

    4. Check whether the diesel in the diesel tank is enough. If there is air in the oil pipe, the air in the oil pipe must be removed according to the method described in the manual.

    5. Start the machine and let it run at idle speed for 3-5 minutes, observe whether it is running normally, then slowly increase the speed to 1500r/min, the frequency is 50-52HZ, the voltage is adjusted to 400V, and then close to send power .

    6. During normal use of diesel generators, someone should be on duty to pay close attention to the following technical parameters: (1) The water temperature cannot be higher than 95°C; (2) The oil temperature cannot be higher than 90°C; (3) The engine oil pressure cannot be low Within 0.2Mpa; (4) Three-phase currents are balanced, and no more than 85A is allowed for any phase.

    Note: When the above three situations occur, it must be shut down in time for inspection, and the unit can only be used again after troubleshooting.

    7. The generator set must be opened and unloaded before stopping, and the speed should be slowly reduced to idle speed to let it run for 3-5 minutes before stopping.

    8. In winter, the temperature is below 0℃. After use, the cooling water must be drained to prevent freezing and cracking.

    9. The running-in period of the unit is 60 hours. It is better to run at a load of 50%-80% during the running-in period. After the running-in period, the engine oil must be changed. The engine oil type is 15W/40, CD-grade diesel engine oil.

    10. During the normal operation of the unit, the engine oil, diesel filter and oil filter must be changed every 250 hours of operation.

    11. The battery must be charged regularly, with a suitable charging cycle of 20 days.

    12. The above is a brief description, please refer to the manual of the diesel engine and generator for details.

    13. The operator of the diesel generator must read the manual before operating.