ABB SACE Emax E2.2 Installation, Operation And Maintenance Instructions For The Installer And The User page 64

Cleaning and lubrication of the
operating mechanism
Inspection of electrical and
mechanical accessories
Inspection of the protection trip
Test with Ekip Connect Test the trip unit:
62 | © 2019 ABB | 1SDH001000R0002 - ECN000109166 - Rev. D
To clean and lubricate:
1. Clean the closing shaft and closing hook at the point indicated. In the case of excessive deposits you
can use a laminate thinner such as Henkel 273471 or Chemma 18 or equivalent.
2. Lubricate, in the points indicated, the closing shaft and closing hook with grease Mobilgrease 28
(EXXON MOBIL).
3. Make sure that the closing shaft is free to rotate.
Figure 80 - Lubricating the shaft and closing hook
Check the accessories:
1. Check that the accessories are securely fixed to the circuit-breaker.
2. Check that the accessories are connected correctly to the circuit-breaker.
3. Make sure that the coils (YU-YO-YC), if present, are in good condition (no excessive wear and tear,
overheating, rupture).
4. Make sure that the mechanical operation counter functions correctly (if present) by operating the
circuit-breaker.
5. Check the wear on the brushes of the gearmotor and if necessary replace them.
NOTE: it is advisable to replace the gear motor if it has performed more than 10000 spring
charging operations or reached 50% of the declared mechanical life of the circuit-breaker.
Check that the trip unit is in good condition:
unit
1. Power the protection trip unit with an Ekip TT battery unit.
2. Check the correct operation of the protection trip unit: tripping test with "Trip Test" and "Autotest".
3. With a Ekip Dip verify the absence of alarms through frontal LEDs.
4. With a Ekip Touch, verify the absence of alarms via the display and the front LEDs.
5. Make sure that the cables are correctly connected to the modules and to the trip unit (if applicable).
6. On a Ekip Touch check the percentage of wear on the contacts of the circuit-breaker.
7. Finally, remove the Ekip TT battery unit.
1. Connect the Ekip Bluetooth or Ekip T & P unit to the trip unit.
2. Connect the computer where the program is installed by means of a Bluetooth or USB connection.
3. After connecting the computer and trip unit, check that there are no alarm signals. Otherwise, refer to
the paragraph " 2 - Identification of alarms or failures" on page 54.
4. In the absence of alarms you can proceed to the trip test and self test (depending on the type of trip
unit). For future checks it is recommended to insert the current date in the area called "Information".
These data will be stored within the trip unit itself.
5. Remove the Ekip Bluetooth or Ekip T & P unit from the trip unit.
Putting into service and maintenance | 4 - First level maintenance
ABB | SACE Emax 2