Diesel Generator Question & Answer - 1 1. Why should a DG set not be run with full fuel in the tank? Answer: A full fuel tank creates improper pressure across fuel lines, leading to excessive black smoke emission. 2. Why is bleeding required? Answer: The fuel system requires air bleeding under the following circumstances: The engine has not been operated for a long time. A fuel element has been replaced. The engine was started without opening the fuel cock and has run for some time. The feed pump is not functioning properly. There is leakage from fuel pipes or fuel filters. 3. How to remove Air Lock? Answer: Air lock can be removed using an air primer as per the steps below: Loosen the bleeding screw of the primary fuel filter. Unscrew the priming knob of the fuel pump, move it 10 to 15 times, until fuel flows out without air bubbles. Tighten the air vent screw and repeat for the secondary fuel filter. Finally, loosen the air vent screw of the fuel injection pump and remove air b...
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