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Maintenance Method of Volvo Diesel Generator Set Fuel Tank

Nov. 15, 2021

The fuel tank of Volvo diesel generator set is a container used to store diesel. It is generally stamped and welded with steel plates, and its inner surface is usually treated with rust prevention. In order to prevent the diesel inside the fuel tank of Volvo diesel generator sets from forming foam after being severely impacted, the inside of the fuel tank is generally partitioned into more space by partitions. The part higher than the fuel tank is the fuel filler opening, and the bottom of the fuel filler opening is a filter screen. In order to avoid vacuum in the fuel tank during use, ventilation holes are generally drilled in the upper part of the fuel tank cover. The bottom of the oil tank is provided with an oil drain.


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1. The easily damaged parts of the fuel tank


Volvo diesel generator set fuel tanks are vulnerable to damage during long-term use are the welded joints of the oil outlet pipe inside the fuel tank and the welded points on the outside. When there is false welding or blisters in the internal welding part, it will cause unstable operation or shutdown of the diesel engine during operation. In addition, if there are too many impurities at the bottom of the fuel tank, the above phenomenon will also occur.


2. The cause of the failure of the fuel tank damage


The cause of the failure of the welding part of Volvo diesel generator set fuel tank with false welding or blisters is that the welding quality of the manufacturer is not good enough or there is a large vibration during transportation.


3. Repair after the fuel tank is damaged


If the welding part of the oil outlet pipe inside the fuel tank of Volvo Diesel generator sets has false welding or air leakage, the oil outlet pipe should be removed from the outside of the fuel tank, and then the oil outlet pipe inside the fuel tank should be removed. After the oil outlet pipe is damaged, it can generally be welded by brazing. After welding, check the tightness of the oil outlet pipe.


When there is false welding or blisters on the outer welding part of the fuel tank of Volvo diesel generator set, ordinary welding rod can be used for welding, but the diesel inside the fuel tank must be removed during welding. When there are too many impurities at the bottom of the mailbox, you can clean it with diesel or gasoline, and then unscrew the drain screw at the bottom of the fuel tank to drain the diesel containing impurities.


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