AIR IN THE STEERING GEAR SYSTEM WILL LEAD TO HUNTING THE STEERING GEAR. HENCE REMOVAL OF AIR IS THE NECESSITY FOR PROPER FUNCTION OF STEERING GEAR AND SAFE NAVIGATION.

FOR REMOVING AIR FROM THE SYSTEM following procedure is carried out :-

SET THE STEERING GEAR IN MECHANICal HANDLE OPERATION.


CLOSE THE BYPASS VALVES AND OPEN THE STOP VALVES.


START MOTOR AND CARRY OUT AIR VENTING FROM VENT VALVE ON THE DISCHARGE SIDE OF THE STEERING GEAR PORT AND STARBOARD ALTERNATIVELY BY MEANS OF MECHANICAL HANDLE.

THIS IS DONE UNTIL AIR BUBBLES ARE COMPLETELY REMOVED. RUDDER ANGLE STOPPER ATTACHED TO THE MECHANICAL HANDLE IS TO WITHIN RUDDER ANGLE OF 35 DEGREE.

ONCE THE AIR IS VENTED, CLOSE the AIR COCK VENT COMPLETELY AND REPLENISH OIL.

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