Toshiba JK 720 - Page 11

Basic Installation and Operation Guide
JK Series 720 Controllers
TOSHIBA
OPERATION ..................................................................................................................................... 26
Initial Energization ..................................................................................................................... 26
MAINTENANCE ................................................................................................................................ 27
Maintenance Record ................................................................................................................. 27
General Inspection .................................................................................................................... 28
Electrical Joints ......................................................................................................................... 28
Power Fuses ............................................................................................................................. 29
Vacuum Contactor .................................................................................................................... 29
Isolation Switch ......................................................................................................................... 30
Switch Handle Mechanism ........................................................................................................ 31
Interlocks .................................................................................................................................. 32
Control Power/Potential Transformers ...................................................................................... 32
MAINTENANCE AFTER A FAULT CONDITION ............................................................................... 33
Enclosure .................................................................................................................................. 33
Isolation Switch ......................................................................................................................... 33
Fuse Mounting .......................................................................................................................... 33
Terminals and Internal Conductors ........................................................................................... 33
Overload Relay ......................................................................................................................... 33
Vacuum Contactor .................................................................................................................... 33
Return to Service ...................................................................................................................... 33