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In a single S109FB turbine shaft configuration, the time that the unit must remain in turning gear, at a minimum should be four hours, before the start if the shaft is stopped.
What is the technical foundation that must be four hours instead of three hours?
Is there any way to reduce this time, rotating the shaft every week is 180, for example, or increasing the speed of rotation before start when this unit with steam seals and void before starting?
What is the technical foundation that must be four hours instead of three hours?
Is there any way to reduce this time, rotating the shaft every week is 180, for example, or increasing the speed of rotation before start when this unit with steam seals and void before starting?