TROUBLE SHOOTING FOR STEERING SYSTEM

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1. Oil consumption High

Causes:

  • Low level alarm is triggered due to oil leakage.
  • May result in system being isolated if low low alarm is trigerred.

Remedial Actions:

  • Rectify the leakage at the earliest.
  • Isolate the system if leakage is very high and use standby system.

Remarks:

Identify cause & rectify same

2. Steering/Rudder movement is sluggish or slow

Causes:

System pump pressure low due suction filter choked.

Remedial Actions:

Replace the filters (normally very fine filter cartridge).

Remarks:

Identify cause & rectify same

3. Steering/Rudder movement is not responding Bridge orders

Causes:

Telemetric system failure.

Remedial Actions:

Change over to emergency steering system.

Remarks:

Identify cause & rectify same

4. Steering motor phase failure

Causes:

No power supply.

Remedial Actions:

Switch over to standby mode.

Remarks:

Identify cause & rectify same

5. Steering motor overload.

Causes:

The steering motor is designed to take up to 200% overload and it will give alarm above 100% normal working load.

Remedial Actions:

Rudder movement is restricted due to external factors like grounding or collision. Damaged  OR Misaligned rams.

Remarks:

Identify cause & rectify same