GRID
High Voltage Switchgear
PS 0007EN
04 1996-04-04 2011-03-21 2 / 2
Sheet N° Revision 1st issue Revision date Page
SAFETY INSTRUCTIONS
PACKING
TRANSPORT
INSTALLATION
START-UP
OPERATION
MAINTENANCE
SCRAPPING &
RECYCLING
1 Moving Parts.
1.1 Before any work is carried out on transmission
components, ensure that the control equipment
has been deactivated.
X X X X X
2 Spring-operated Mechanism.
2.1 Before any work is carried out, cut off all power to
the reset motor.
X X X X X
2.2 Deactivate the opening and closing springs in
accordance with ALSTOM instructions.
X X X X X
2.3 Make sure that all safety rules are complied with
while the work is being carried out.
X X X X X
3 Hydraulic Mechanism.
3.1 Before any work is carried out, cut off power to
the motor pump.
X X X X X
3.2 Reduce the pressure of the hydraulic circuit to
zero.
X X X X X
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