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I.B. 70A2580H02 P a g e vEffective November 2012Page5-3.1 Operation of Stored Energy Mechanism ..................................................................................... 165-3.2 Charging ....................................................................................................................................... 165-3.3 Closing Operation ................................................................................................................... 185-3.4 Tripping Operation .................................................................................................................. 185-4 Control Schemes ................................................................................................................................. 185-4.1 Timing ..................................................................................................................................... 185-4.2 Secondary Disconnects .......................................................................................................... 185-4.3 Secondary Terminal Connections ........................................................................................... 225-4.4 Under voltage Trip Device....................................................................................................... 225-5 Interlocks and Interfacing .................................................................................................................... 235-6 Levering Mechanism (VCP-Wind Only) ............................................................................................... 235-7 Operations Counter ............................................................................................................................. 235-8 Ground Contact ................................................................................................................................... 235-9 MOC and TOC Switch Operations....................................................................................................... 23SECTION 6: INSPECTION, MAINTENANCE AND TROUBLESHOOTING6-1 Introduction ......................................................................................................................................... 256-2 Frequency of Inspection and Maintenance .......................................................................................... 256-2.1 Qualified Personnel ............................................................................................................... 256-2.2 Helpful Tools and Accessory Items ....................................................................................... 256-2.3 General Torque Guidelines ................................................................................................... 256-3 Inspection and Maintenance Procedures............................................................................................. 276-4 Vacuum Interrupter Integrity Test ........................................................................................................ 286-5 Insulation............................................................................................................................................. 286-6 Insulation Integrity Check .................................................................................................................... 296-7 Primary Circuit Resistance Check ....................................................................................................... 296-8 Mechanism Check ............................................................................................................................... 306-10.1 CloSure TM Test ...................................................................................................................... 306-9 Lubrication........................................................................................................................................... 346-10 Troubleshooting Chart ......................................................................................................................... 34SECTION 7: RENEWAL PARTS7-1 General .............................................................................................................................................. 387-1.1 Ordering Instructions ................................................................................................................. 38FIGURESFigure Title Page1-2 Type VCP-Wind 38kV Drawout Circuit Breaker Outline and Dimensions............................................... 33-1 VCP-Wind 38kV Drawout Vacuum Circuit Breaker ................................................................................. 73-2 VCP-Wind 38kV Vacuum Circuit Breaker with Front Cover Removed....................................................83-3 Rear View VCP-WIND 38kV Drawout Circuit Breaker ........................................................................... 93-4 Typical VCP-Wind 38kV Front Cover................................................................................................... 10