Maintenance
Replacing the operating device FK3--1
L51--800EN/04
11/12
04--2004
E ALSTOM
Installing the new operating device
Warning
NEVERWORKTHEOPERATINGDEVICEWHENTHISISNOTCOUPLED
TO THE CIRCUIT--BREAKER.
Process
To make this operation, refer to the module “Installing the operating de -
vice”.
NOTE
: Not to hold account of the ”fusible” pawn (new apparatus)
indicated in the module ”Installing the operating device”. At the time
of the maintenance actions, the function of the ”fusible” pin is fulfilled
by the blocking tool indicated below.
Removing the block-
ing tool
AFTER THE ASSEMBLY OF THE NEW OPERATING MECHANISM
,ITIS
IMPERATIVE TO REMOVE THE BLOCKING TOOL (4) BEFORE THE
FIRST OPERATION OF THE CIRCUIT--BREAKER.
THE CIRCUIT BREAKER MUST NOT BE OPERATED AT A SF
6
PRES-
SUREGAS LOWERTHAN THEMINIMAL PRESSUREFOR THEINSULA-
TION p
me
.
4
Stop ring
If the pole is equipped with a stop ring (5) of the “fusible” pin (9), reposition
the stop ring (5) and hold in place using the screw (6).
NOTE
: Stick the screw (6) using LOCTITE 225 and apply a tightening
torque of 17 N.m.
5
6
9
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