Table of Contents
Vacuum Circuit Breakers (Vehicle)
1
Introduction and Safety ....................................................... 2
Introduction ............................................................................. 2
Qualified Person ...................................................................... 2
Signal Words ........................................................................... 2
Dangerous Procedures ........................................................... 2
Field Service Operation ........................................................... 2
Receiving, Handling and Storage ........................................ 3
Introduction ............................................................................. 3
Receiving Procedure ............................................................... 3
Shipping Damage Claims (when applicable) ........................... 3
Handling Procedure ................................................................. 3
Storage Procedure .................................................................. 3
Space Heating ......................................................................... 3
Vehicle Description ............................................................... 4
Vehicle Function and Operational Interlock ............................. 4
Alignment ................................................................................ 4
Recommended Tools .............................................................. 4
Installing Circuit Breaker Module Into Compartment .............. 4
Levering Device and Breaker Interlock ............................... 4
Levering-in Device .............................................................. 4
Interlock Position Indicator .................................................. 5
Test Position ........................................................................ 5
Operating Position .............................................................. 5
Interlock .............................................................................. 5
Secondary Contacts ............................................................ 6
Ground Contact ................................................................... 6
Mechanism Operated Control Switch ................................. 6
Maintenance .......................................................................... 7
Introduction and Maintenance Intervals .................................. 7
Recommended Maintenance and Lubrication ........................ 7
Removal from Switchgear ...................................................... 8
Checks of the Primary Power Path ......................................... 8
Inspection of Primary Disconnects and Cleanliness Check ..... 8
Fastener Check ....................................................................... 9
Racking Mechanism ................................................................ 9
Electrical Control Checks ........................................................ 9
Check of the Wiring and Terminals ..................................... 9
Electrical Close and Trip Check (Control Power Required) .. 9
Checks of the Spring Charging Motors ............................... 9
