ii MAINTENANCE INSTRUCTIONS MN280064EN October 2017
Contents
DISCLAIMER OF WARRANTIES AND LIMITATION OF LIABILITY ....................................I
SAFETY FOR LIFE .........................................................................III
SAFETY INFORMATION ....................................................................III
Safety instructions .............................................................................. iii
INTRODUCTION ........................................................................... 1
DESCRIPTION AND OPERATION ............................................................. 1
SPECIFICATIONS AND RATINGS ............................................................. 2
MAINTENANCE ........................................................................... 3
Frequency of maintenance ........................................................................3
Periodic maintenance inspection ....................................................................3
MANUAL OPERATION ...................................................................... 4
To close recloser ................................................................................4
To open recloser ................................................................................5
INSULATION LEVEL WITHSTAND TESTS ...................................................... 5
SHOP MAINTENANCE INSTRUCTIONS ....................................................... 6
Bushings ......................................................................................6
Vacuum interrupters .............................................................................6
Operating mechanism ............................................................................7
Motor .........................................................................................9
Gear reduction unit .............................................................................10
ELECTRICAL COMPONENTS ................................................................10
Sensing current transformer tests .................................................................10
Control cable check .............................................................................11
Control circuit components .......................................................................11
SERVICE PARTS LIST ..................................................................... 16
Bushings and interrupter (Figure 22) ................................................................18
Interrupter cabinet (Figure 23) .....................................................................20
Operating linkage assembly (Figure 24) .............................................................21
Operator cabinet (Figure 25) ......................................................................22
Terminal panel (Figure 26) ........................................................................24
Decals and labels (Figure 27) .....................................................................26
Operating mechanism electrical parts (Figure 28) ......................................................27
Operating mechanism electrical parts (Figure 29) ......................................................29
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