GE GL317D - Page 93

Installation
Tipping d o wn th e po le of the circuit- breaker
and vacuum operation
GE Information L31- 722EN/03
3/4
03- 2017
Vacuum operation
Principl e
The procedure of the vacuum operation depends on the duration of
cham-
bers/column coupling
.
Process
See module :
- “Connection the vacuum pump.
- “Vacuum operation”.