GE Industrial Solutions PowerVac PV-VL 13.8-1000-0 and -1 - Manual (Page 3)

GEH 6468A - Power/Vac VL Breaker Page 3
CONTENTS
1. INTRODUCTION 5 11.3 CONTACT GAP 30
1.1 SAFETY 5 11.4 CLOSE COIL PLUNGER GAP 31
11.5 TRIP COIL PLUNGER GAP 31
2. DESCRIPTION 5 11.6 CONTROL SWITCH ADJUSTMENT 31
3. RECEIVING, HANDLING AND STORAGE 6 12. ELECTRICAL CHECKS 31
3.1 RECEIVING 6 12.1 ELECTRICAL OPERATION 31
3.2 HANDLING 6 12.2 HIGH-POTENTIAL TEST 31
3.3 STORAGE 6 12.2.1 PRIMARY CIRCUIT 31
3.4 PACKING LIST 6 12.2.2 SECONDARY CIRCUIT 32
12.3 PRIMARY CIRCUIT RESISTANCE 32
4. INITIAL INSTALLATION PROCEDURES 7 12.4 VACUUM INTEGRITY TEST 32
4.1 DOOR WIRING INTERFERENCE 7 12.5 INSULATION TESTS 33
4.2 POSITIVE INTERLOCK
TEST PROCEDURES
7 13. CHECKING AND INSTALLATION 33
4.3 BY-PASS KIT INSTALLATION 7
4.4 CHECKING FOR PROPER INTER- 14. MAINTENANCE 33
LOCK AND TRIP FREE FUNCTIONS 14.1 GENERAL 33
BEFORE LOWERING THE BREAKER 14.2 SERVICE CONDITIONS 34
FROM THE ELEVATED POSITION 8 14.3 FAULT INTERRUPTION 34
14.4 CONTACT EROSION 34
5. ADJUSTMENTS TO BREAKERS / 14.5 TRANSFER FINGER WEAR 35
SWITCHGEAR INTERFACES 8 14.6 MECHANISM 35
5.1 STATIONARY AUXILIARY SWITCH 8 14.7 PRIMARY INSULATION PARTS 35
5.2 PRIMARY CONTACT PENETRATION 9 14.8 LUBRICATION 35
5.3 POSITIVE INTERLOCK 9 14.9 RECOMMENDED MAINTENANCE 35
5.4 SECONDARY COUPLER 10
5.5 SPRING DISCHARGE CAM 10 15. TIMING 36
5.6 STOPS 10
5.7 GROUND 10 16. OPENING AND CLOSING SPEED 36
5.8 POSITION SWITCH 10
17. REPAIR AND REPLACEMENT 36
6. TYPICAL WIRING DIAGRAMS 11 17.1 GENERAL 36
17.2 REPLACING INTERRUPTERS 36
7. FEATURES 27 17.3 PRIMARY DISCONNECTS 37
7.1 SAFETY PRECAUTIONS 27 17.4 MECHANISM 37
7.2 INTERLOCKS 27 17.5 CONTROL SWITCHES 37
7.2.1 RATING INTERFERENCE PLATE 27 17.6 TRIP COIL REPLACEMENT 37
7.2.2 POSITIVE INTERLOCK SYSTEM 27 17.7 CLOSING COIL REPLACEMENT 37
7.2.3 SPRING DISCHARGE SYSTEM 27 17.8 AUXILIARY SWITCH
REPLACEMENT 37
17.9 MOTOR REPLACEMENT 38
8. OPERATION 28 17.10 “Y” RELAY REPLACEMENT 38
8.1 CLOSE SPRING CHARGING 28
8.2 CLOSING OPERATION 29 18. RENEWAL PARTS 38
8.3 OPENING OPERATION 29 18.1 ORDERING INSTRUCTIONS 38
8.4 TRIP-FREE OPERATION 29
19. MECHANICAL ADJUSTMENTS 38
9. CONTROL CIRCUIT 29 19.1 GENERAL 38
19.2 WIPE ADJUSTMENT 38
10. MECHANICAL CHECK AND 19.3 CONTACT GAP ADJUSTMENT 39
SLOW CLOSE 29 19.4 TRIP COIL PLUNGER 39
10.1 VISUAL INSPECTION 29 19.5 CLOSE COIL PLUNGER 39
10.2 CLOSING SPRING CHARGING 29 19.6 CLOSE SPRING INTERLOCK 39
10.3 CLOSING SPRING GAG 30 19.7 POSITIVE INTERLOCK 39
10.4 SLOW CLOSING 30
10.5 GAG TOOL REMOVAL 30
11. DIMENSIONAL CHECKS 30 LIST OF ILLUSTRATIONS 4
11.1 PRIMARY CONTACT EROSION 30 INDEX 70
11.2 SPRING WIPE 30 STATIONARY CUBICLE INFORMATION 62