GE SF6 Instruction Manual page 125

Vacuum operation with nitrogen purging (N
Preparing the
nitrogen bottle (N )
2
08- 2016
Installation
Vacuum operation
The table below gives the steps of preparing the nitrogen bottle (N
Step Action
1 Remove the cover (6) and plug (7)
from the nitrogen (N
2 Fit the pressure reducer (10) on
the nitrogen (N
3 Briefly open the nitrogen (N
bottle tap (9) and the cock (11) of
the pressure reducer to eliminate
any air inside the piping (approx.
20 s at low flow- rate).
4 Close the bottle tap (9) and the
cock (11) of the pressure reducer.
NOTE : Keep the end of the
tube (12) in high position to
keep the nitrogen (N
contains and to prevent damp
air from entering.
GE Information
)
2
) bottle (8).
2
6
8
) bottle (8).
8
2
)
2
N
9
) which it
2
N
END OF PROCEDURE
) :
2
Diagram
7
N
2
N
2
10
Open
9
11
2
Closed
12
2
11
Closed
Continued on next page.
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