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How To Maintain The 800kw Yuchai Generator Intercooler

Nov. 04, 2021

Generally speaking, the air cooler in the 800kw Yuchai generator supercharging system is installed in front of the diesel engine together with the radiator, and the radiator is cooled by the exhaust fan in the car and the oncoming wind. Poor heat dissipation of the intercooler will result in insufficient diesel power and increase fuel consumption. Therefore, the intercooler should be inspected and maintained regularly, mainly including:


1. Exterior cleaning (car cleaning method). Because the intercooler is installed in the front, the heat dissipation fin passage of the intercooler is usually blocked by leaves and sludge (hydraulic oil overflowing from the steering oil tank), which hinders the heat dissipation of the intercooler. Therefore, it is necessary to clean the intercooler regularly. The cleaning method is to use a low-pressure water gun to slowly flush from top to bottom or from bottom to top at an angle perpendicular to the plane of the intercooler, but oblique flushing is not allowed to avoid damage to the intercooler


2. Internal cleaning inspection (dismantling inspection cleaning method). The internal pipes of the 800kw Yuchai generator intercooler often adhere to dirt such as sludge and gum, which not only narrows the air flow path, but also reduces the heat exchange capacity. Therefore, maintenance and cleaning must be carried out. Generally once a year, or when the diesel engine is overhauled or the radiator is repaired, the internal parts of the intercooler should be cleaned and checked.


Cleaning method: Add 2% soda water (coolant temperature 70-80℃) ℃) into the 800kw Yuchai generator intercooler, fill it up, wait 15 minutes, and observe whether the intercooler leaks. If so, it should be disassembled and inspected and welded and repaired (the same as the radiator). If there is no leakage, shake it back and forth a few times, pour out the washing liquid, and pour it into clean soda water to rinse it until it is relatively clean. Then add clean hot water (8090℃) to wash until the drained water is clean


diesel engine

3. If there is oil on the outside of the 800kw Yuchai generator intercooler, it can also be cleaned with alkaline water. The method is: Soak the oil in an alkaline solution and remove it with a brush.


2. After cleaning, use compressed air to blow or air dry the water in the intercooler, or when installing the intercooler, you can start the diesel engine without connecting the intercooler to the diesel engine. When there is no water at the outlet of the intercooler, connect the intake pipe . If you find serious dirt in the intercooler core, you should carefully check the air filter and intake pipe for leaks and troubleshoot.


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