Alstom GL314 - Page 53

Installation
Checking for presence of SF
6
gas in poles
L31--059EN/01
3/4
06--2003
E ALSTOM
Checking for presence of SF
6
gas in poles
Process
The table belowgives the steps of checking for presenceof SF
6
gas in poles :
Step Action Diagram
1 Remove the plug (1) and install
the filling tool (3), tighten the fill-
ing tool BY HAND
.
3
1
2 Unscrew the valve--cap (4) and
press on the valve briefly :
some gas should escape
.
If no gas is expelled, contact
our Customer Service.
4
3 D Replace the valve--cap (4)
and remove the filling tool (3).
D Re--install the plug (1), ap-
plying a tightening torque of
4 daN.m; leak--tightness is
only guaranteed if this condi-
tion is respected.
1
3
4