Maintenance
Replacing the operating device FK3--1
L51--800EN/04
12/12
04--2004
E ALSTOM
Reinflating the pole
DO NOT SUPPLY THE OPERATING MECHANISM MOTOR WITH CUR-
RENT TO AVO ID THE CLOSING SPRING BEING RELOADED.
THE CIRCUIT BREAKER MUST NOT BE OPERATED AT A SF
6
PRES-
SUREGAS LOWERTHAN THEMINIMAL PRESSUREFOR THEINSULA-
TION p
me
.
Process
To make this operation, refer to the modules :
S Calculation of the SF
6
gas filling pressure for using the pressure
gauge (tool)
S Filling with SF
6
gas
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