Table Of Contents - GE AK-2A-15 User Maintenance Manual

Table of Contents

Table Of Contents2
Introduction3
Electrical Operation3
Manual Operation3
Operation 33
Electrical With Manual Operation4
Elementary Diagram4
Connection Diagram4
Inspection5
Lubrication5
Separation Of Front And Back Frames5
Maintenance 55
Troubleshooting6
Disconnects6
Basic Breaker Components7
Primary Disconnects7
Movable Secondary Disconnects7
Arc Quencher8
Contact Adjustments8
Breaker Contact Structure8
General Preparation9
Removal Of Movable Contacts9
Contact Replacement9
Removal Of Stationary Contacts9
Contact Assembly10
Mechanism11
Contact Springs12
Latch Adjustment - Manual Breaker12
Latch Adjustment - Electrical Breaker12
Replacement14
Auxiliary Switch15
Electrical Control Components15
Closing Solenoid16
"Y" Relay17
Cut-Off Switch17
Closing Switch17
Shunt Trip Device18
Closing Switch (Top View )19
Protective Devices20
Overcurrent Trip Device20
Ec-2 Overcurrent Trip21
Gei-50299 Power Circuit Breakers Types Ak-2 -1522
Ins Tantaneous High-Set Tripping22
Instantaneous Low-Set Tripping22
Reverse Current Trip Devices23
Long Time Delay Tripping23
Reverse Current Trip Device23
Power Sensor Trip25
Magnetic Coils25
Power Supply26
Power Sensor Unit26
Magnetic Trip Device26
Ground Sensor Coil27
Control Disconnect Plug27
Testing Magnetic Coils28
Replacement Of Power Sensor Components28
Ground Fault Wiring Diagram29
Time- Current Characteristic30
Selective Tripping31
Sensor Coils31
Time Curve31
Static Time Delay32
Undervoltage Tripping Device32
Undervoltage Lockout Device34
Bell Alarm Anrl Lockout Device35
Open Fuse Lock Out Device36
Akd- 5 Interlock36
Miscellaneous37
Maintenance Tools37
Renewal Parts37