GE GL317D, Instruction Manual

Page: 127 / 296

Installation
Vacuum operation
GE Information
08- 2016 L31- 881EN04
5/6
Vacuum operation with nitrogen purging (N
2
) , continued
Vacuum operation ,
continued
The table below gives the continuation of the steps of the vacuum operation
with nitrogen purging (N
2
) :
Step Action Comment/Diagram
6 Disconnect the tube (12) from the
filling tool (4).
12
4
7 Remove the filling tool (4) with
the valve cap.
4
8 Connect the vacuum pump and
open the tap (1) to bring the
volume of pole back to ambient
pressure (filled with nitrogen at
0.03 MPa).
Open
Closed
1
9 Carry out a new simple
vacuum operation.

1 mbar (100 Pa)
during 1 hour.
END OF PROCEDURE