MAGNE-BLAST FIELD DISCHARGE CIRCUIT Electric...Method of Cleaning Bearings ... The Magne-blast field...

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Transcript of MAGNE-BLAST FIELD DISCHARGE CIRCUIT Electric...Method of Cleaning Bearings ... The Magne-blast field...

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    INSTRUCTIONS PGEI-5037

    MAGNE-BLAST FIELD DISCHARGE

    CIRCUIT BREAKER TYPE AMF1A . AMF-18

    These instructions do not purport to cover all details or variations in equipment nor to provide for .every possible contingency to be met in connection with installation, operation or maintenance. Should further information be desired or should particular problems arise which are not covered.sufficiently for the purchaser's purposes, the matter. should be referred to the nearest oflice of Canadian General Electric Company Limited.

    CANADIAN GENERAL ELECTRIC COMPANY LIMITED www

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    CONTENTS

    TITLE

    INTRODUCTION

    Receiving and Handling . . . .... . ..... . ................... . . Storage ..... . . . .... . ........................ , . . . , , . . . , . .

    INSTALLATION

    Procedure ... . ................. . .. . ........... . . . ....... . Adjustlnents ................... . .... . ....... . ............ .

    OPERATION

    General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Spring Charging .... . ........ . ...... . ...... . ............ . Closing Operation ............. . ... . ..................... . Opening Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Trip-Free Operation . .............. . .. . . . . . ..... . ...... . . .

    PREVENTIVE M AINTENANCE

    Periodic Inspection ...... . .. . ... . . ...... . .......... . ..... . Arc Chutes .... . . .................................... . Breaker Contacts ... . ......... . ...... . . . ... . .. . . .. . . . . . Mechanism ...... . .... . . . ......... . ..... . . . .......... . Bushings and Insulation ........... . ................. . . Insulation Test ........... . ....................... . .. .

    Lubrication . .... . . .......... . ................. . .. . ..... . . Method of Cleaning Bearings ..... . . . . ... . ....... . ..... .

    Sleeve Bearings ........ . . .. . ... . ........ . . . ..... . .. . Roller and Needle Bearings ....... , . . . . . . . . . . . . . . . . . . Rolling Surfaces . . ....... . . . ................ . . .. . .. .

    Maintenance for Repetitive Switching Duty ... . ......... . .. . General .... . ...... . .. . ....... . ............ . ...... . .. . Every 2000 Operations, or Semi Annually, ............. .

    Primary Contacts . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Arcing Contacts ................ , . . . . . . . . . . . . . . . . . . . .

    Every 10,000 Operations .... . ............. ; ..... . . . . . . Every 20,000 Operations or Every Five Years .... . ... , .. .

    CORRECTIVE M AINTENANCE

    Adjustments ................. . .... . .... . ......... . ...... . Outer Pole Arcing Contact ,Wipe ..... , . . , , . . . . . . . . . .. . . . Outer Pole Primary Contact Wipe . . .... , . . . . . . . . . . . . . . . Outer Pole Primary Contact Gap . . . .. . . .. . . . . . . ... . ... . Center Pole Contact Overlap . .. . .. . .. . .. . ...... . . . . .. . . Center Pole Contact Gap . ... . . . . . . .. . . . ... . . . .... . . . . . Trip Latch Wipe ...... . ........ . ............ . .. . ..... . Prop Clearance ....... . . . ............ . ............ . .. . Release Latch Wipe ...... ... , . . . . . . . . . . . . . . . . . . . .. . . . . Release Latch Monitoring Switch ........ . .. . . ....... . . . Motor and Relay Switches ......... . ............ . ..... . Auxiliary Switch ... . . ............... . . , .. , . . , , . . , . , , . .

    PAGE

    1 1

    1 2

    2 2 3 3 3

    4 4 4 4 4 5 5 5 5 5 5 6 6 6 6 6 6 7

    8 8 8 8 8 8 8 9 9 9 9 9

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    CONTENTS (Cont'd) TITLE

    CORRECTIVE MAINTENANCE (Cont'd) PAGE

    Driving Pawl Adjustmenf . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 . Auxiliary Devices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

    Latch Checking Switch . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 Plunger Interlock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 Inspection and Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9 Control Power Check................................ 10

    Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 Repair and Replacement. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10 Renewal Parts . . . . . . . . . . .. . . . . . ... . , . . . . ..... . . . .. . . . . . . . 10

    Ordering Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11 Parts Recommended for Maintenance . . . . . . . . . . . . . . . . . . . . . . 1 1

    Troubleshooting Chart. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12

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    FIGURE NO.

    1 2 3 4 5 6 7 8 9

    10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42

    LIST OF ILLUSTRATIONS

    TITLE

    Operating Mechanism - Left Side ................................ . Operating Mechanism - Front . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Operating Mechanism - Right Side ............................... . Spring Blocking Device . . . . . . . . . . . . . . . . . . .. . .. . . . . . ... . . . . . . . . . . . . Oper atin g Mechanism . . . .... . . . .. . .. . . . . . . . . . . . .. . . . . . . . . . . . . . . . . Control Mechanism . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . .. . . . . . . . . . . . Breaker Outer Pole Unit - Cross Section . . . . . . . . . . . . . .. . . . . . . . . . . . Contact Adjustments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Adjusta ble Coupling for Making Primary Contact Wipe Adjustments . . . Positive Interlock Switch ...................... , . . . . . . . .. . . . . . . . . . Auxiliary Switch and Trip Coil ................................... . Latch Checking Switch .......................................... . Plunger Interlock ............................................... . Driving Elements . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Arc Chute Assembly ............................................ . Arc Chute Assem bly With Side Removed . .. . . . . . . . . . . . .. ... . . . . . . . Front View Arc Chute Ass embly . . . . . . . . . . . . . .. . . . . . . . . . . . . . . . .. . . Arc Chute Partially Removed . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . . . . . . . Arc Chute Fin Spacing . . . . . . . . . . . . . . . . . . ; . . . . . . . . . . . . . . .. . . . . . . . . Outer Pole Rear Bushing Assembly . . . . . . . . . . . . . , . .. . . . .. . . . , . . . . . . Spring Release Interlock ......................................... . Method of Replacing Primary Contact Spring s . . . . . . . . . . . . . . . . . . . . . . Cross Sec tion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Hinge Cross Section . . . . . . . . . . . . . .. . . . . . . . . . ... . . . . . . . . . . . . . . . . . . Outer Poles Bushing Assem bly ................................... . (1 of 2) Arc Chute .............................................. . (2 of 2) Arc Chute . ... . . . . . . . . .. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. . Movabl e Contact Arm Assembly . . . . .. . . . . .. . . . . . . . . . . . . . . . . . . . . . . Plunger Interlock for ML-13 Mech anism . . . . . . . . . . . . . . . . . . . . . . . . . . . Spring Release fot ML-13 Mechanism . ... . . . . . .. . . . . . . . . . . . . . . . . . . ML-13 Mechanism .............................................. . ML-13 Stored Energy Mechanism ................................ . Outer Pole Cam and Block . . . . . . . . . . . . . ... . . . . . . . . . . . . . . . . ... . . . . Center Pole Pivot and Block ..................................... . Operating Mechanism - Right Side ............................... . Operating Mechanism - Left Side . . . . . . . . . .. . .. . . .... . . . . . . . . .. . . . Operating Mechanism - Control Elements ........................ . Connecting Linkage and Operating Rods . . ...... . .... . . . . . . . . .... . . Rear View of Breaker Contacts ........... : . . . . . . . . . . . . . . . . . .. . . . . . Side View of Breaker Contacts . . . . . . . . . . . . . ... . . . . . . . . . . . . . . . . . . . . Side View of Outer Pole Contacts . . . . . . . . . . . . . ... . .. . . .. . . . . . . . . . . Center Pole Front Bushing ...................................... . Center Pole Rar B ushing . . . . . . . .. . . ... .. . . . . . . .. . ..... . . . .. . . . . . .

    PAGE

    14 14 15 15 16 17 17 18 18 19 19 20 20 21 21 22 22 23 23 24 24 25 31 33 33 35 36 38 39 40 41 44 47 49 50 50 51 51 52 52 53 53 54

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