| Component | Maintenance | Notes and precautions |
| Electro-hydraulic control unit | Oil top up | Check the oil level inside the tank every month and anyway before each navigation. Top up keeping the oil level at about three-quarters of the tank’s capacity, and using the type of oil recommended by the Manufacturer. |
| Gangway | Cleaning | As this device is located in a very critical position compared to all other on-board equipment, being continuously in contact with water, salt and exhaust gas, they require a more accurate cleaning. |
During cleaning or maintenance operations, make sure that nobody can activate the gangway, they causing serious injury to persons, by cutting off power supply.
Do not discharge hydraulic oil in the sea, but in the special areas for toxic waste disposal.
Improper use of the hydraulic systems, altering of the flow calibration, disrespect of manoeuvring procedures described in this manual relieves RIVA of all liability.