Page 23
FW-F018-P-M_v0404_01_EN.docx
Serial number and year of production
The serial number can be reviewed on the identification label or in
SETUP-menu Others. The production date is either shown separately on
the label or indicated by the first 4 digits of the serial number
representing year and week number (YYWW).
4.3.2
OPENING / REMOVING THE COVER
To open the F-Series enclosure, the front cover needs to be removed. Please follow this procedure:
1. If necessary, clean the enclosure with an anti-static cloth
made damp with a mild soap solution. Wait for the
enclosure to dry before opening.
2. While loosening the screws, hold on to the front cover to
prevent it from falling down.
3. Unscrew all 4 screws from the front of the enclosure and
(if present) mind that the serrated washers are kept with
the screws.
4. Carefully take the front cover away from the rear cover,
minding that the wiring stays intact.
5. Depending on the work to be done, all terminal
connectors can be removed from their mating parts and
the front cover is now completely separate.
4.3.3
CLOSING / REPLACING THE COVER
To replace the cover on the F-Series enclosure, follow this procedure:
1. Re-insert all terminals to their original position.
2. Carefully position the front cover onto the back cover, making sure
that the gasket falls nicely into the gutter of the back cover.
3. Replace all 4 screws into the front cover and mind that the serrated
washers are replaced (metal enclosure only).
4. Fasten all 4 screws in an alternating way so that the front cover is
placed evenly across the edge of the back cover.
Tighten the 4 screws with the torque value for the type of enclosure
as specified in following table:
Plastic enclosure:
1 Nm per screw
Aluminum enclosure:
1 Nm per screw
Aluminum w. extended back enclosure:
1 Nm per screw
Stainless steel enclosure:
2 Nm per screw
5. The F-Series in now ready to be returned to service.
