One of the keys to correctly maintain the cooling system of diesel generator set is to use a water filter. Many diesel generator set operators believe that it is unnecessary to use a water filter after adding clean water and chemical additives to the cooling system of diesel generator set. This view is incorrect, because the dirt is inherent in the diesel generator set engine, and it has nothing to do with the use of high-quality cooling water.
The sealing surface of the pump and cylinder liner deposits or the scaling of these parts, the cooling system components of the diesel generator set are corroded, worn, the thermostat is blocked, etc., and the cooler, radiator, Intercooler pipe and cooling system are blocked by oil. Oily deposits are formed on the heat transfer surface. When the diesel engine of the diesel generator set is maintained at "B" level for the first time (or the engine oil is replaced), the working core of the water filter of the diesel generator set must be used to replace the pre added water filter core. Except for the following two cases, the working core of the water filter of the diesel generator set should be replaced every time the "B" level maintenance inspection is carried out in the future.
When replacing the water filter core of the diesel generator set, if the coolant is added to the cooling system of the stationary diesel generator set, the front core of the water filter of the diesel generator set shall be used for replacement. After each discharge of clean coolant, the pre core of the water filter should be installed. Close the two discharge switches or gate valves on the inlet and outlet pipes of the water filter of the diesel generator set, take out and throw away the water filter of the diesel generator set discharging additives.
The rotary filter wrench can be used for disassembly. Apply a thin oil film on the end face of the diesel generator set filter seal ring, and then install the diesel generator set filter on the filter seat. Rotate the filter until the diesel generator set seal ring contacts the surface of the filter square seat. Rotate the filter 3/4-1 ring. When installing the water filter, if the water filter is not used or replaced temporarily, close the gate valve (or switch) of the inlet and outlet pipes of the water filter of the diesel generator set. Only when using and rotating the water filter can the two gate valves (or switches) of the diesel generator set be opened to the maximum opening.
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