GE GL317D Instruction Manual page 244

Evacuation of SF
6
Principle and
precautions
07- 2016
Equipment end of life
Guidelines for the handling of used SF6 gas
and its secondary products
gas apparatus
The table below gives the principle of evacuation of SF
precautions to take:
Step
1 De- energize apparatus, switch- off where applicable and earth.
2 Connect the servicing unit to the gas filling nipple by means of a
hose and using an adsorber filter.
3 Remove the SF
gas volume ; it can be stored for re- use as per indications of IEC
standard.
4 Fill gas compartment if possible with nitrogen or dry compressed air
at rated pressure and subsequently, discharge outdoors (if possible
through an absorber filter).
GE Information
Action
gas using the vacuum pump. Depending on the
6
gas apparatus and
6
L81- 001EN/03
2/4