Safety arrangement of steering gear
1.
Shock
relief v/v: Opens 15-20% higher than working pressure.
2.
By-pass
v/v: Opens 20-30% higher than working pressure.
3.
Line
relief v/v: Opens 40-50% higher than working pressure.
4.
Emergency
power supply to one motor.
5.
Steering
gear room bilge alarm.
6.
Steering
gear compartment drain v/v spring loaded & non return.
7.
Alarms:
Alarms should be audible and visible in both bridge & engine control room.
(a)
Single
phasing alarm – SOLAS
(b)
Motor
overloading 100% - SOLAS
(c)
Power
failure
(d)
Auto
pilot failure
(e)
Oil
tank low level alarm.
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