User Manual

1502-UM051E-EN-P – June 2013
ii Table of Contents – 800 A Medium Voltage Contactor User Manual
Chapter 4 Maintenance
Tool Requirements ..................................................................................................... 4-1
Recommended Torque Values .................................................................................. 4-1
Routine Maintenance ................................................................................................. 4-1
Vacuum Bottle Replacement and Set-up Procedure ............................................ 4-3
Main Coil Replacement Procedure ....................................................................... 4-11
 MechanicalLatchTripCoilReplacementProcedure ........................................4-15
 MechanicalLatchRollerReplacementProcedure ..............................................4-17
 MechanicalLatchMechanismRefurbishingProcedure ....................................4-17
Altitude Adjustment ................................................................................................ 4-18
Drop-out Time Conversion ....................................................................................4-20
Auxiliary Contact Replacement and Set-up Procedure .....................................4-21
Chapter 5 Troubleshooting
 Troubleshooting•Table5.A .................................................................................... 5-1
 TypicalContactorCoilImpedanceValues•Table5.B ...................................... 5-1
Chapter 6 Renewal Parts
800A Electrically Held Vacuum Contactor .......................................................... 6-1
 MechanicalLatchAssembly .................................................................................... 6-1
 RenewalPartsList•Table6.A ................................................................................ 6-2