Table Of Contents - Eaton AMH-4.76-VR Instruction Book

Table of Contents

SECTION 1: INTRODUCTION
1.1 VISUAL INSTRUCTION BOOKLET ESSENTIALS
1.2 QUICK RESPONSE CODE
1.3 AVAILABLE AMH-4.76-VR CIRCUIT BREAKERS
SECTION 2: SAFE PRACTICES
SECTION 3: RECEIVING, HANDLING, AND STORAGE
3.1 RECEIVING
3.2 HANDLING
3.3 STORAGE
3.4 AMH-4.76-VR APPROXIMATE WEIGHTS
SECTION 4: DESCRIPTION AND OPERATION
4.1 VACUUM INTERRUPTER
4.1.1 THE INTERRUPTER ASSEMBLY
4.1.2 CONTACT EROSION INDICATOR
4.1.3 CONTACT WIPE AND STROKE
4.2 PHASE BARRIERS
4.3 BUSHINGS AND DISCONNECTING
CONTACT ASSEMBLIES
4.4 STORED ENERGY MECHANISM
4.4.1 CLOSING SPRING CHARGING
4.4.2 CLOSING OPERATION
4.4.3 TRIPPING OPERATION
4.4.4 TRIP-FREE OPERATION
4.5 CONTROL SCHEMES
4.5.1 TIMING
4.6 SECONDARY CONNECTION BLOCK
4.7 INTERLOCKS
4.7.1 ANTI-CLOSE INTERLOCK
4.7.2 RACKING SYSTEM TRIP AND
SPRING RELEASE INTERLOCKS
4.8 MISCELLANEOUS ITEMS
4.8.1 MOC OPERATOR
4.8.2 OPERATIONS COUNTER
4 SECTION 5: INSPECTION & INSTALLATION
4 5.1 EXAMINATION FOR DAMAGE
4 5.1.1 NAMEPLATE VERIFICATION
4 5.2 SURE CLOSE MECHANISM ADJUSTMENT
5.3 MANUAL OPERATION CHECK
6
5.4 VACUUM INTERRUPTER INTEGRITY
7
5.5 LOW FREQUENCY WITHSTAND
7
TEST (INSULATION CHECK)
7
5.6 CONTACT EROSION AND WIPE
8
5.7 PRIMARY CIRCUIT RESISTANCE
8
5.8 ELECTRICAL OPERATIONS CHECK
11
5.9 DESCRIPTION OF OPERATIONAL POSITIONS
11
5.10 INSERTION PROCEDURE
11
5.11 REMOVAL PROCEDURE
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SECTION 6: INSPECTION & MAINTENANCE
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6.1 INSPECTION FREQUENCY
12
6.2 INSPECTION AND MAINTENANCE PROCEDURES
6.3 VACUUM INTERRUPTER INTEGRITY TEST
12
6.4 CONTACT EROSION AND WIPE
12
6.5 INSULATION
12
6.6 INSULATION INTEGRITY CHECK
13
6.7 PRIMARY CIRCUIT RESISTANCE CHECK
13
6.8 MECHANISM CHECK
13
6.8.1 CLOSURE™ TEST
13
6.9 LUBRICATION
13
SECTION 7: REPLACEMENT PARTS
13
7.1 GENERAL
13
7.2 ORDERING INSTRUCTIONS
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Instruction Book IB182023EN March 2016 www.eaton.com
AMH-4.76-VR
Replacement Circuit Breaker
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