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Serious consequences after incorrect operation of diesel generator
Browse: Release Date: 2019-12-12
Serious consequences after incorrect operation of diesel generator
The incorrect operation of the diesel generator will seriously affect the service life of the diesel generator. Let ’s find out what are the incorrect operation methods of the diesel generator in daily life? The following is leased by Chengdu Generator
Analysis of the serious consequences of the incorrect operation of the diesel generator for everyone:
Incorrect operation one
The diesel engine runs when the engine oil is insufficient: At this time, due to insufficient oil supply, the surface of each friction pair is insufficiently supplied with oil, resulting in abnormal wear or burns. For this reason, before the start of the diesel generator and during the operation of the diesel engine, it is necessary to ensure that the engine oil is sufficient to prevent cylinder failure and tile burning failure due to lack of oil.
Serious consequences after incorrect operation of diesel generator
Incorrect operation two
Sudden shutdown with load or immediately after the load is suddenly removed: After the diesel generator is turned off, the cooling water circulation stops, the heat dissipation capacity decreases sharply, and the heated parts lose cooling, which can easily cause overheating of the cylinder head, cylinder liner, and cylinder block. A crack is generated, or the piston is excessively expanded and stuck in the cylinder liner. On the other hand, if the diesel generator is not cooled down at idle speed when it is stopped, the friction surface will be insufficiently oily, and when the diesel engine is restarted, it will intensify wear due to poor lubrication. Therefore, the diesel generator should be unloaded before the flameout, and gradually reduce the speed and run for a few minutes at no load (requires no-load operation for 3 minutes).
Wrong operation three
After the cold start, the engine will run with load without warming up: When the diesel generator is cold started, due to the large viscosity and poor fluidity of the oil pump, the oil supply of the oil pump is insufficient. Cylinder, tile burning and other faults. Therefore, the diesel engine should start warming up after idling, and the standby oil temperature reaches above 40 ° C (when used in winter, wait for the cooling water to reach 60 ° C) and then run under load; the machine should start at a low speed and start at each step You can drive for a certain mileage in one gear until the oil temperature is normal and the fuel supply is sufficient.
Serious consequences after incorrect operation of diesel generator
Incorrect operation four
After the cold start of the diesel engine, if the throttle is blasted, the speed of the diesel generator will rise sharply, which will cause some friction surfaces on the engine to wear out severely due to dry friction. In addition, the piston, connecting rod, and crankshaft receive a large change in the receiving force when the throttle is bombed, causing severe impacts and easy damage to the parts.
Wrong operation five
Run with insufficient cooling water or high cooling water and oil temperature: insufficient cooling water of diesel generator will reduce its cooling effect, diesel engine will overheat because it cannot get effective cooling; oil temperature of cooling water and oil is too high, It can also cause the diesel engine to overheat. At this time, the diesel generator cylinder head, cylinder liner, piston assembly and valve are mainly subject to heavy heating loads, and their mechanical properties such as strength and toughness decrease sharply, which increases the deformation of the parts, reduces the gap between the parts, and accelerates the wear of the parts. , In severe cases, cracks and jammed parts will also occur. Overheating the diesel generator will also worsen the combustion process of the diesel engine, make the injector work abnormally, the atomization is not good, and the accumulation of carbon will increase the rental of Chengdu generators.
Generator rental -Sichuan Chengtianyi Electromechanical Equipment Co., Ltd. is a company specializing in leasing and selling diesel generators and leasing and selling electromechanical equipment. The company has a wide range of generators and comprehensive services. .