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Table Of Contents - Toshiba HV6FS-MLD Instruction Manual

Vacuum circuit breakers - drawout type 4.8 & 7.2kv voltage classes fast closing w/uv release
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Page 4
SAFETY....................................................................................................................................................1
INTRODUCTION ......................................................................................................................................6
GENERAL DESCRIPTION.......................................................................................................................7
Components..................................................................................................................................7
Safety Devices ..............................................................................................................................8
Indicators and Controls .................................................................................................................8
RECEIVING, INSPECTION AND HANDLING........................................................................................10
Receiving and Unpacking ...........................................................................................................10
Acceptance Inspection ................................................................................................................10
Handling and Moving ..................................................................................................................11
INSTALLATION......................................................................................................................................12
Rating Verification .......................................................................................................................12
Mounting the Circuit Breaker Cell ...............................................................................................12
Main Circuit Cable Connections..................................................................................................13
Ground Connections ...................................................................................................................14
Control Circuit Connections ........................................................................................................15
Placing the Circuit Breaker in the Cell.........................................................................................16
PRE-ENERGIZATION CHECK ..............................................................................................................18
General .......................................................................................................................................18
Electrical Checks ........................................................................................................................18
OPERATION...........................................................................................................................................19
Moving Circuit Breaker From Disconnected to Connected Position ...........................................19
Moving the Circuit Breaker From Connected to Disconnected Position .....................................20
Manual Operation........................................................................................................................21
Electrical Operation & Undervoltage Trip....................................................................................22
Electrical Operation Flow Chart ..................................................................................................23
MAINTENANCE .....................................................................................................................................25
Maintenance Program.................................................................................................................25
Maintenance Record ...................................................................................................................25
Servicing Equipment ...................................................................................................................25
Inspection and Maintenance Types ............................................................................................26
Table 1. Tightening Torques ......................................................................................................26
Table 2. Check Points for Periodic Inspection ...........................................................................27
Vacuum Check............................................................................................................................29
DISPOSAL..............................................................................................................................................31
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