Simrad GC80/GC85 Expanded Gyro Compass
22 20221529 / C
4.1 General
All units in the GC80 system are designed for optimum safety
and reliability. However, a limited amount of preventive
maintenance should be performed to verify safe operation and
durability.
If any strange motion, smell, sound or heat is generated from
any unit, a Simrad dealer shall be contacted.
4.2 Precautions
Touching internal parts may cause electric chock if power is
connected to the system, even if the POWER button is turned
OFF. Do not touch any terminal board or power supply unit
when maintaining and checking the system. If necessary,
disconnect the power cable from the Control unit.
Electrostatic charges may damage components on the circuit
boards inside the units. Always wear a correctly connected
earthing strap when opening the units.
4.3 Cleaning the operator panels and the cabinet
surface
Use a vacuum cleaner with a soft brush to avoid damage to the
buttons and the panel. If required, clean the buttons and panel
with a non-abrasive cloth moistened with mild soap solution.
4.4 Checking the connectors
The connectors should be checked by visual inspection only.
Push the connector plugs into the connector. If the connector
plugs are equipped with a lock, ensure that this is in correct
position.
4.5 Checking mechanical installation
Vibration and chock may cause mechanical parts to loosen. All
fastening screws should therefore regularly be checked and
eventually tightened.
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