柴油机不能起动的几种原因分析 Analysis on Several Reasons of Diesel Engine Cannot Be Started
The prerequisite for the normal operation of the generator set is that the well-atomized diesel can be injected into the combustion chamber accurately and timely, and the compressed air in the combustion chamber must reach a sufficient temperature to catch fire and burst. To meet these two conditions, it is necessary to have a sufficiently high speed and a certain temperature in the cylinder when the diesel engine of the generator is
started. When the diesel engine cannot be started, the cause should be found from the aspects of starting work, diesel fuel supply system and compression.
(1) The ambient temperature is too low. In the case of low temperature, the diesel engine should be preheated, otherwise it will not be easy to start.
(2) The starting speed is low. For a diesel engine that is cranked by hand, gradually increase the speed, and then move the decompression handle to the non-decompression position, so that the cylinder has normal compression. If the pressure reducing mechanism is not adjusted properly or the valve is against the piston, it will often feel difficult to shake the car. Its characteristic is that the crankshaft can't move when it turns to a certain position, but can return. At this time, in addition to checking the decompression mechanism, you should also check whether the timing gear meshing relationship is wrong. For diesel engines that use generators to rent
electric starters, if the starting speed is extremely slow, most of the starters are weak, which does not mean that the diesel engine itself is faulty. The electrical circuit should be inspected in detail to determine whether the battery is fully charged, whether the wires are tightly connected, and the starter is working properly. http://hzbxx.cn/
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