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Gotaverken Burmeister & Wein Instructional Film - Fuel valves of K-KF engines - replacement and overhaul. This operation is also described in the Instruction Book, Volume 2 - Maintenance Parts 901-2, 909-8. Before we commentce the work, we must follow five safety measures, namely - stop the engine, block the starting mechanism by closing the tap for the starting air, connect the turning gear, open the display cocks, close the oil-supply tap. When these operations have been completed, we can then begin the replacement of the fuel valve. It is assumed that the following items are at hand - a normal tool kit, a replacement valve which we have collected from the stores, cleaning and grinding material. The special tools required are the extractor and grinding and milling tool for the fuel valve...