Maintenance Operations; Fi Nal Checks; Interlock; Extractable - ABB Emax E1 Installation And Service Instructions Manual

8.4.10. Maintenance operations; fi nal checks:
- Refi t each part and if necessary reconnect the auxiliary supply.
- Refi t the cap as indicated in fi gure 46.
Fig. 46
- Return the movable part to the position TEST-ISOLATED.
- Use the different auxiliaries in turn to run the following 10 operations:
- opening (both local and remote as applicable)
- closing (both local and remote as applicable)
- release by trip test from the relay
- Check the operations according to this sequence:
- Open - Springs unloaded
- Open - Springs loaded
- Closed - Springs unloaded
- Closed - Springs loaded
- Check operation of the accessories, if present
- Check operation of reduction gear (if present)
- Check operation of minimum voltage release (if present)
- Check operation of opening release (if present)
- Check operation of closing release (if present)
- Check operation of auxiliary contacts of switch (if present)
- Check operation of lock of switch in open position (with key or padlocks) (if present)

8.4.11. Interlock

Check that the interlock devices have been correctly installed and operate correctly between adjacent and superimposed switches
(if present). The operating test cannot be run in the Test or Extracted positions.

8.4.12. Extractable

In the extractable versions, check the operational effi ciency of the insertion and extraction of the switch from the fi xed part, per-
forming the movement by means of the operating lever supplied and checking that the shutters for segregating the parts carrying
live voltage are closed after extraction. Check correct operation of the inserted and extracted switch lock devices (if present).
Model L6555
Apparatus
Doc. No
1SDH000460R0002
Scale
Emax
Page No
27/74