ABB Uvisor SF910i, User Manual

Page: 116 / 190

Since it strongly depend on the general cleanness of the environment, no cleaning
schedule is given here.
Version equipped with a lens (Line Of Sight versions) might require a cleaning of the
lens itself in the following cases:
– The purging air is not clean.
– The purging air system is non-working for a period of time.
Proceed with the following steps:
1. Read all the warnings at the beginning of this section, refer to SF910i Safety
Instruction Manual (EC-DOC-G041MAN033) .
2. Turn-off the power supply.
3. Close the manual isolating valve (where provided).
4. Loose the thermal union and remove the unit.
5. Clean the scanner lens. Use degreases liquid. Do not use abrasive tools. Let it dry.
6. Relocate the unit to the mounting (thermal union).
7. Open the manual isolating valve.
8. Turn-on power supply.
18.3 Fiber Optic Maintenance
Maintenance of the fiber optic assembly when present is given in the following procedures:
1. Read all the warnings at the beginning of this section, refer to SF910i Safety
Instruction Manual (EC-DOC-G041MAN033) .
2. Turn-off the power supply (optional).
3. Loose the locking ferrule and remove the unit.
4. Withdraw the inner carrier.
5. In case, the fiber optic needs replacement or focal length adjustments, follow Section
19.2 next.
6. Clean the lens. Use degreaser liquid. Do not use abrasive tools/substances. Let it
dry.
8VZZ005286 B 116
18 Maintenance/Cleaning/Inspection
18.3 Fiber Optic Maintenance