GE Industrial Solutions PowerVac PV-VL 13.8-1000-0 and -1 User Manual
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GEH 6468A - Power/Vac VL Breaker
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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