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As electricity becomes more and more important to our lives, diesel generators, as independent power generation equipment, provide emergency power in the event of a power failure. Therefore, diesel generators are available in many places. How to properly maintain them when not in use? Next, Xinshengan Power will give you an introduction.
As a matter of fact, most of the time the unit is in standby mode, and there are relatively few opportunities to actually put it into use. Usually, it is mostly based on test machines and lacks more complete inspection and maintenance methods. But this kind of emergency backup power is indispensable. How to ensure that the generator can be powered in time in an emergency when the generator is used less often, and the operation is safe and reliable, and it can be shut down immediately after the power failure.
Look at the following related diesel generator inspection and maintenance steps.
The first step is to check the battery pack
Since the backup power supply is not often put into use, the key to whether the generator can start normally lies in the maintenance of the battery. If there is a problem with the battery pack, the more common situation is: there is voltage and no current. At this time, you can hear the sound of the solenoid valve in the starter motor, but the coupling cannot be moved.
There are three reasons why the battery pack cannot stop due to problems:
1. Using the method of stopping charging the battery during the test machine will result in insufficient battery power.
2. The mechanical oil pump is driven by a belt, and the pump oil volume at the rated speed is very large. However, the battery pack is insufficiently powered, which causes the spring plate in the shutoff valve to be blocked due to insufficient suction of the solenoid valve to spray from the four oil outlets when the machine is stopped. The fuel can not be shut down.
3. Domestic batteries usually have a life span of two to three years and are not replaced regularly.
The second step is to check the start solenoid valve
When the generator is running, people have summed up a set of inspection methods of "one look, two listen, three touch, and four smell". Listening at startup is a very important step. Take the Cummins generator set as an example. Just press the start button and it will start after three seconds. Within these three seconds, two "clicks" can be heard. Once the second sound is not heard, check whether the start solenoid valve is working properly. If the solenoid is blown out, the generator will of course not start.
Third, the inspection of diesel oil, lubricating oil and antifreeze
Because the generator set is in a static state for a long time, the various materials of the set itself will undergo complex chemical and physical changes with oil, cooling water, diesel, air, etc., which will "discharge" the set. For this reason, attention should be paid to the oil and water problems, and timely Replace or supplement.