Maintenance
Electrical contact densimeter threshold in sp ectio n
L51--107EN/01
5/8
06--2003
E ALSTOM
Densimeter threshold inspection
SF
6
gas pressure
adjustment
The table below gives the steps of SF
6
gas pressure adjustment of the con-
nection valve block (5) :
Step Action Comment
1 Open the SF
6
gas bottle tap (21)
and adjust gas output by acting on
the cock (22) of the pressure re-
ducer (reduced flow rate).
Close the tap (21) from time to
time to check pressure on the gau-
ge (11).
See the module “Calculation
of the SF
6
gas filling pres-
sure to using the pressure
gauge (tool)”.
2 Start filling again until the required
pressure is reached.
3 Close in this order : the tap (21),
then the cock (22).
21
Open
Closed
22
SF
6
5
11
Continued on next page.
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