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Inspection and Maintenance of Silent Generator Radiator

Jun. 22, 2022

For the inspection and maintenance operation of the radiator of the silent generator, it should be known that the main failure form of the radiator of the silent generator is water leakage. The device is not fixed firmly on the bracket, and it is subject to large vibration during work. damage the radiator. In winter, the radiator water pipe freezes and cracks due to the presence of water, and the impurities in the cooling water form scale in the radiator water pipe, causing the pipe wall to be corroded and ruptured. Water leakage inspection generally speaking, after the radiator has been cleaned, the water leakage inspection is carried out. When checking, the following methods can be used.


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Block the inlet and outlet of the radiator, install a joint from the overflow pipe or the drain plug, and inject 0.15-0.3kgf/square centimeter of compressed air. Put the radiator in the sink. If there are bubbles, it is a leak.


Check with water. When checking, block the inlet and outlet of the radiator, and after filling the water inlet with water, observe whether there is water leakage. In order to facilitate the discovery of small cracks, a certain pressure can be applied to the radiator or the radiator can be slightly vibrated, and then carefully observe , there will be water seepage at the leak. Soldering and repairing of radiators, the soldering method of radiator is usually used for soldering. Before welding, wipe off the oil on the weld, then use a scraper to scrape out a new metal layer, and then heat it properly. After the soldering iron is heated, dip it in the zinc oxide solution, and then stick it with solder. After sticking, smooth the weld and wash the zinc oxide around the weld with hot water to prevent corrosion.


If the welding repair of the upper and lower water chambers is not large, it can be repaired with solder directly. If the leakage is large, use purple steel to repair it. When repairing, apply a layer of solder on one side of the steel skin and the leaking place, place the steel skin on the leaking place, and then heat it externally with a soldering iron to melt the solder and weld the surrounding area firmly.


For the welding and repair of the radiator water pipe, if the outer water pipe of the radiator is broken and the break is not large, the heat sink near the water pipe can be removed with needle-nose pliers and repaired with solder directly. If the crack is large or the middle water pipe leaks, the methods of stuck pipe, blocked pipe, takeover and pipe replacement should be flexibly handled according to the specific situation. However, the number of stuck pipes and blocked pipes should not exceed 10% of the total number of pipes, so as not to affect the heat dissipation effect of the radiator.


Starlight Power was founded in 1974 and is one of the earliest manufacturers of generators and diesel generator sets in China. If you want get more information, please feel free to send email to sales@dieselgeneratortech.com we will pay highly attention on your question.

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