Check list
Check list for assembly and commissioning
1HSB445410-100 en rev1 1
1. Check list for assembly and commissioning
The following checks shall be made and the check list completed before the circuit-
breaker is commissioned. The check list shall be kept in the order binder.
Date:_______________
Installation:______________________________________________
Serial number:_____________________________
Circuit-breaker pole
1. Check that the circuit-breaker and operating mechanism have been assembled
in accordance with the assembly instructions.
2. Check that all bolted joints are tightened to the tightening torques stated in the
assembly instructions.
3. Ensure that all poles are in the open position. The alignment hole in the
operating lever shall align with the predrilled hole in the mechanism housing.
Operating mechanism
4. Make an ocular inspection to check that oil from the oil dashpots has not
leaked in the operating mechanism.
5. Tighten all screws in terminal blocks involved in the assembly work.
Gas filling
6. Connect the operating mechanism for remote control from a protected area in
connection with gas filling and test operations.
Set the control switch to remote.
7. Connect the gas filling equipment for gas filling from the protected area.
8. Fill with gas each pole one after the other and perform an operational test three
times as set out in the assembly instructions.
9. Check the heater element.
10. Make sure the thermostat, if provided, is set to 10
°C
1
.
1. Other thermostat settings may occur.
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