Sperry Marine 4914-CA, Руководство по эксплуатации, установке и обслуживанию

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A visual inspection of cables and connectors of the gyrocompass should
be carried out regularly to detect any signs of damage or deterioration.
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In case a „Speed Invalid“ alarm is triggered while the vessel is not in
motion or moving very slowly (e.g. when manoeuvring in harbour), this
is often caused by fast currents of fairway water increasing the - 5.0 kn
minimum speed default value.
In this case, the minimum speed value must be adjusted accordingly.
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For installation and service procedures of the gyrosphere and gyro-
sphere container, the following separate Installation, Maintenance and
Service Procedures, delivered with the gyrosphere, apply:
- 04911-0125-001, for gyrosphere type 2, gyrosphere container mod. 7/2
- 04911-0125-002, for gyrosphere type 2, gyrosphere container mod. 10/2
- 05000-0125-001, for gyrosphere type 3, gyrosphere container mod. 10/3
- 05000-0125-002, for gyrosphere type 3, gyrosphere container mod. 10/3
with the NAVIGAT X MK 1 in DP vessel application.
kçíÉ The Shaft Correction Angle of the gyrosphere is a specific value for each
single item and indicated at the right front corner of the baseplate.
kçíÉ For recording all parameter settings, use the ‘Setup and Configuration
Tables” in the appendix of this manual.
kçíÉ For recording installation/ overhaul service work, use the
NAVIGAT X MK 1 Installation/Overhaul Checklist & Record Sheet,
04914-0125-10, as appended in this manual.