24. State requirement for cooling & lubricating by lubricating oil of stern bearing?

-Oil for lubricating of this type can be supplied by a pump or a gravity tank. After lubricating the bearing, the oil must be cooled by water in a cooler. Pressure gauges, sight glasses, thermometer must be provided to monitor the lubricating condition.

-If the gravity tank is used for lubricating, they must be installed above the highest water level of the ship. Level gauge and low-level alarm must be fixed to this tank.

-For this type of the lubricating, the sealing condition is very important if the after sealing ring damaged, oil may be leaked or seawater may come into lubricating oil, so attention must be paid when operating. The best way is to follow instruction of the maker.