Sea-Bird Scientific SUNA V2, User Manual

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Section 6 Maintenance
W A R N I N G
If the user thinks that a sensor has water in the pressure housing: Disconnect the
sensor from any power supply. Put on safety glasses and make sure that the sensor is
pointed away from the body and other people. In a well ventilated area, use the purge
port (if the sensor is so equipped), or very SLOWLY loosen the bulkhead connector to
let the pressure release.
6.1 Sensor maintenance
Although the sensor is built for deployment in severe conditions, it is important to clean
the sensor after each deployment and weekly (if deployed frequently) or monthly to
prevent fouling. After every deployment, make sure to:
1. Attach a clean and lubricated dummy plug and a lock collar to the sensor.
2. Rinse the sensor with fresh clean water.
3. Flush the optical area with fresh clean water.
4. Dry the sensor.
Use a soft towel or blow with air.
5. Put the sensor in the manufacturer-supplied case for transport or storage.
6.2 Clean bulkhead connectors
N O T I C E
Do not use WD-40
®
or petroleum-based lubricants on bulkhead connectors. It will cause damage
to the rubber.
Damaged connectors can cause a loss of data and additional costs for service.
Damaged connectors can cause damage to the sensor and make it unserviceable.
Examine, clean, and lubricate bulkhead connectors at regular intervals. Connectors that
are not lubricated increase the damage to the rubber that seals the connector contacts.
The incorrect lubricant will cause the failure of the bulkhead connector.
1. Apply isopropyl alcohol (IPA) as a spray or with a nylon brush or lint-free swab or
wipes to clean the contacts.
2. Flush with additional IPA.
3. Shake the socket ends and wipe the pins of the connectors to remove the IPA.
4. Blow air into the sockets and on the pins to make sure they are dry.
5. Use a flashlight and a magnifying glass to look for:
Any corrosion.
Cracks, scratches, or other damage on the
rubber pins or in the sockets.
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