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 Interlocks ................................ 4
Alignment ..................................................................................... 4
Installing Circuit Breaker Module Into Compartment ................... 4
Trip-Free/Spring Dump Interlock .................................................. 4
Differences .................................................................................. 4
Circuit Breaker in Disconnect/Test Position (Refer to Figure 4) ... 5
Trip-Free In Racking Procedure (Refer to Figure 2) ...................... 6
Circuit Breaker in Connect Position (Refer to Figure 3) ............... 7
Adjustment Procedure — Trip-Free/Spring Dump ........................ 8
MOC Actuator (Refer to Figure 4) ................................................ 9
Continuous Current Interlock ....................................................... 9
Maintenance ............................................................................. 10
Introduction and Maintenance Intervals ..................................... 10
Recommended Maintenance and Lubrication ........................... 10
Removal from Switchgear ......................................................... 10
Checks of the Primary Power Path ............................................ 11
Cleanliness Check ....................................................................... 11
Primary Disconnects ................................................................... 12
Fastener Check .......................................................................... 12
Interlock Mechanism ................................................................. 12
MOC Actuator System ............................................................... 12
Electrical Control Checks ........................................................... 12
Check of the Wiring and Terminals ........................................ 12
Electrical Close and Trip Check (Control Power Required) ..... 12
