Maintenance of Yuhai series diesel generator set

Maintenance of the injector of the Yuehai generator set
The injector should be adjusted once in 700 hours. If the turning pressure is lower than the specified value of 1 MPa or the needle valve head carbon is severely carbon, the needle valve should be discharged into the cleaning diesel to scrape the carbon with a wood piece, and the spray hole is dredged with a fine steel wire. After loading, debugging, requirement Each cylinder in the same machine must be less than 1 MPa.
In order to make the diesel in the cylinder into the cylinder can be completely burned in time, the oil supply time of the oil pump must be checked. The oil supply time is too early, the vehicle will start difficulty and the failure of the knockout; the oil supply time is too late, which will lead to black smoke, the temperature is too high, the fuel consumption increases.
The injector needle valve doll is extremely high, and the spray hole diameter is small, so it is necessary to select a standard grade cleaning diesel according to the seasonal change, otherwise the injector cannot work properly.
Cleaning the injector needle valve coup is not allowed to collide with other hard objects or not to fall to the ground to avoid taking injury. When replacing the injector needle valve coup, the new dipping should be placed in the hot plate oil of 80 ° C, so that the rust-proof oil is fully dissolved, and the needle valve is rotated back in the valve body in the clean diesel. Wash thoroughly, so that the failure of sticking the needle valve due to the dissolution of the injector during operation.

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