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The Importance of Hot and Cold Running-in for Generator Set

Aug. 01, 2022

The hot and cold running-in of the generator set refers to making the lubricants and bearings suitable for the continuous operation of the generator set. Divided into cold run-in and hot run-in. Among them, the cold running-in of the generator set means that the diesel engine is driven by the motor or other power to drive the crankshaft on the test bench to achieve the purpose of running-in the crankshaft connecting rod mechanism, valve train and other dynamic matching parts. This process is generally performed by the generator set manufacturer. Or the overhaul unit of the unit with better conditions is completed. For the general user, the main thing is to master the thermal break-in of the unit.


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The purpose of the hot running-in of the generator set is to check whether the diesel engine has any faults when it is working. Specifically, there are the following points:


1. Check the generator set for three leakages (water leakage, oil leakage and air leakage).


2. Check the assembly of the machine parts of the generator set and whether the clearance between the fittings is appropriate.


3. Check the generator set piston, piston tip, connecting rod bearing of crankshaft main bearing, etc. for any special noise.


4. Check that the engine of the genset is running evenly.


5. Check whether the engine oil pressure and cooling water temperature are normal.


6. Check whether the exhaust sound and color are normal.


7. Check whether the generator set fuel injection pump and fuel injector work normally.


8. Check that the genset valve clearance is proper.


It is worth noting that before the generator set is thermally run-in, all the assemblies, accessories and instruments of the diesel engine should be installed, and sufficient fuel, oil and cooling water should be added; all the contents that must be adjusted when debugging the generator set, such as valve clearance, fan belt tightness oil pressure, fuel injection pressure, fuel supply time, fuel supply amount and unevenness of fuel supply of each cylinder, etc., so that the generator set is in good working condition.


Jiangsu Starlight Power Generation Equipment Co., Ltd. was founded in 1974 and is one of the earliest manufacturers of generators and diesel generator sets in China. The company has a registered capital of 218.88 million yuan. The company covers an area of 86,000 square meters and a building area of 55,000 square meters. There are more than 660 employees, including 456 professional technicians and 106 senior technicians. It has 46 sales and service outlets nationwide. The main products are diesel engines, generator sets, and diesel generators, providing users with a one-stop service of design, supply, debugging and maintenance at any time. Starlight has always insisted on using first-class talents, building first-class enterprises, manufacturing first-class products, creating first-class services, and making every effort to build a first-class domestic enterprise. If any question please feel free to visit our website https://www.dieselgeneratortech.com/ or send email to sales@dieselgeneratortech.com.

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