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Rixin Power Diesel Generator Set Leasing Service Center: Diesel Generator Set Rental Power Range: Small Power Diesel Generator Set Rental: 50-200KW Unit. Rental of medium power diesel generator sets: 300-900KW units. Rental of high-power diesel generator sets: 1000-2500KW units. Leasing of ultra-high-power diesel generator sets: Multiple units are connected in parallel and can be flexibly combined to form a large power station of 2500KW-10000KW. We can make your losses due to power failure to a minimum. Rixin Power Technology Rental Service Center has brand new used and reliable diesel generator sets. Before you arrive at the site, follow the strict procedures to maintain the generator set to ensure that you will arrive at your leased site with the most productive and reliable power equipment. Convenient and flexible leasing methods, which can provide you with long-term and short-term and temporary electricity leasing services, failure analysis of diesel generator sets leased by Fenghua generators, technical support for failure analysis of diesel generator sets leased by Fenghua generators, diesel power generation leased by Fenghua generators Unit failure analysis cost, Fenghua generator leasing diesel generator set failure analysis service center, Fenghua generator leasing diesel generator set failure analysis price specification information query, Fenghua generator leasing diesel generator set failure analysis where is there, Fenghua generator leasing How much is a diesel generator failure analysis? Fenghua generator leased diesel generator failure analysis nearby contact phone, Ningbo Rixin Power Technology Co., Ltd.
Cummins diesel generator failure analysis
Cummins diesel generator sets often experience aging of unit components and excessive gaps after long-term operation. These failures should cause the user's great attention. This article will make relevant analysis and suggestions through how to reduce the failure rate and individual typical failures.
Cummins diesel generator set failure 1: low oil pressure
In the operation of Cummins diesel generator set, low oil pressure will cause poor lubrication of the transmission components of the unit. If the oil circuit is blocked, there will also be pull cylinders, cylinders, and excessive bearing clearances, which will directly affect the normal operation of Cummins diesel generator sets. use.
The low oil pressure of Cummins diesel generators is mainly related to the following aspects:
(1) Cooling system: The oil cooler is blocked; the space outside the radiator core is blocked.
(2) Lubrication system: The oil filter is dirty; the oil suction pipe is blocked; the oil pressure regulator fails.
(3) Mechanical adjustment and repair; improper bearing clearance; engine needs overhaul; main bearing or connecting rod bearing is damaged.
(4) Use and maintenance: The engine is overloaded; the oil should be replaced on time, and the correct use of the oil filter element must be guaranteed. The proper use of the unit can only be guaranteed if the correct maintenance methods are followed.
Cummins diesel generator failure two: coolant does not circulate
In the operation of Cummins diesel generator sets, it is often encountered that the coolant does not circulate, including large cycles, no small cycles, or small cycles without large cycles, resulting in rapid cylinder temperature rise and oil temperature rise. High and cause sudden shutdown, etc., directly affect the safe use of Cummins diesel generators.
There are several reasons why the coolant does not circulate:
(1) The radiator fins of Cummins diesel generator set are blocked or damaged. The cooling fan does not work or the cooling fins are blocked, so that the temperature of the cooling liquid cannot be lowered, the cooling fins are rusted, causing leakage, and may cause poor circulation.
(2) The thermostat of Cummins diesel generator set is faulty. A thermostat is installed in the combustion chamber of the engine to control the temperature of the combustion chamber of the engine. The thermostat must be fully opened at the specified temperature (82 degrees) to facilitate small circulation. If there is no thermostat, the coolant cannot maintain the circulation temperature. A low temperature alarm will be generated.
(3) The cooling system of Cummins diesel generator set is mixed with air, which causes the pipeline to be unblocked. Damage to the suction valve and exhaust valve on the expansion water tank also directly affects the circulation. At this time, you should always check whether their pressure value meets the requirements. The air pressure is 10kpa and the exhaust pressure is 40kpa. In addition to the times, whether the exhaust pipeline is unblocked is also an important reason affecting the circulation.
(4) The coolant level of Cummins diesel generator set is too low or does not meet the requirements. If the liquid level is too low, the coolant temperature will rise directly and the coolant will not circulate. The coolant is 50% antifreeze + 50% demineralized water + DCA4 according to the regulations. If the requirements are not met, the pipeline will be blocked and the pipe wall will be blocked. Rust marks prevent the coolant from circulating properly.
(5) Cummins diesel generator water pump failure. Check whether the pump works well. If it is found that the transmission gear shaft wear exceeds the limit, it indicates that the pump has failed to function and needs to be replaced to circulate normally.