Diesel Generator Tech

Currently, most diesel engines use wax - type thermostats with stable working performance. When the temperature of the cooling water is lower than 83°C, the thermostat valve closes. The cooling water can only circulate in a small loop within the diesel engine without passing through the water tank for a large - scale circulation. This accelerates the rise of the cooling water temperature, shortens the warm - up time, and reduces the running time of the diesel engine at low temperatures. When the coolant temperature reaches the opening temperature of the thermostat valve, 83°C, as the temperature of the diesel engine gradually rises, the thermostat valve gradually opens. More and more coolant participates in the large - scale circulation for cooling, and the heat - dissipation capacity increases accordingly.  Once the temperature reaches or exceeds the full - opening temperature of the main valve, 95°C, the main valve fully opens, and the auxiliary valve completely closes the smal...

Today, we will briefly introduce the causes and solutions of the problem of engine oil (or oil-water mixture) spraying out from the generator oil pan. If you have any further information, please come to consult our Dingbo website. Next, we will introduce relevant information to everyone.   Excessive oil injection into the oil pan of the  generator  can also cause oil to come out of the oil dipstick. Pull out the oil dipstick to see if it exceeds the maximum mark by a large amount. If so, the excess part needs to be removed (special reminder: this inspection requires the generator to stop working for about 5 minutes). If the gap between the generator cylinder liner and piston is too large, a cylinder pressure test can be used to detect the cylinder compression ratio. If the compression ratio is low, the cylinder liner piston component (commonly known as the "four matching") should be replaced. If this problem is found after only replacing the piston ring during maintenance...

After the generator set is cold started, it is not allowed to slam the throttle. As the generator set is shut down without waiting for speed and temperature reduction, the oil content on the friction surface will be insufficient. When the diesel engine runs again, it will be further damaged due to poor lubrication. After the  generator set  shuts down, the circulation of the cooling system water is terminated, and the heat removal capacity is greatly reduced. When encountering hot parts, the cooling is lost, which can easily cause overheating of parts such as the cylinder head, cylinder liner, and cylinder liner, causing cracks, or causing the piston rod to swell too much and get stuck in the cylinder liner. On the other hand, if the generator set is shut down without waiting for speed and temperature reduction, it will result in insufficient oil content on the friction surface. When the diesel engine runs again, it will be further damaged due to poor lubrication. Therefore, b...

The lubrication method for variable pitch reducers of generator sets is generally immersion lubrication and grease lubrication. After every 6 months of operation of the generator set, the oil quality should be checked as follows: observe the presence of water and emulsion in the oil; Check the viscosity of the oil, and if the difference exceeds 20% or decreases by 15% compared to the original, it indicates that the oil is ineffective; Check the insoluble content, which should not exceed 0.2%, and conduct an anti emulsification ability test to discover whether the oil has deteriorated; Check if the additive composition has decreased. If there are any problems, the oil should be changed or filtered. When changing the oil, the oil is discharged from the oil drain hole and then injected into the oil injection hole. When installing the plug, thread sealant should be applied to the thread. The lubrication system should be kept clean, and measures should be taken to prevent dust, moisture, an...

  During the use of the generator set, various faults occur due to its own factors or objective external conditions. In order for users to master the maintenance technology of the generator set, the generator manufacturer shares the maintenance technology of the cylinder head fault of the generator set that has been maintained for many years, hoping to give users some help in the maintenance of the cylinder head of the   diesel generator set . Some important maintenance methods for repairing generator cylinder head faults are summarized as follows: 1. If the generator set sleeps until it breaks through and leaks due to water shortage and high temperature, it is likely to cause cracks in the cylinder head valve seat ring, and the copper sleeve rubber ring of the fuel injector melts at high temperature. The cylinder head that produces the cracks should be scrapped and disposed of. 2. The copper sleeve and rubber ring of the fuel injector may be damaged after prolonged operation....

With the increasing usage range and market demand of generator sets, the price of generators is also increasing. Can the investment in buying a generator set bring direct benefits to you. People have a common problem in their daily lives, what if the engine belt is loose? The generator belt noise in this situation is due to the operation of the generator belt driving many accessories, such as the generator, water pump, air conditioning compressor, steering pump, and so on. The   generator set   belt is a rubber product that grows over time, causing the belt to become loose in tension. This can cause the belt to "spin" and cause friction and noise with the accessories to be driven by the belt when the generator set is running. The heat generated by belt friction for a period of time will increase the viscosity of the rubber, so if it sounds for a while, it will not sound again. However, this situation must be promptly resolved. If the belt frequently rubs like this, it will ac...

The diesel generator set must be regularly maintained by professionals, so as to ensure the stability of the unit in use. However, in the maintenance of diesel generator sets, the safety of operators is the key content of the work. Today, Dingbo Power Generation Equipment will share the knowledge of unit maintenance safety with you, hoping to give you some help. The  diesel generator set maintenance  safety knowledge is shared as follows: (1) Strictly implement the safety operation regulations of diesel generator set formulated by the manufacturer. When inspecting or repairing the electrical equipment of the unit, operations should not be carried out before cutting off the power supply. (2) Operators should wear rubber shoes with good insulation performance. Do not wear bare feet or cloth shoes. The body should not be soaked through. Do not operate the diesel generator set or play with the wires with wet hands. (3) The diesel generator set shall be equipped with a grounding de...