GE AM-13,8-50Q-5HVB Instructions Manual Download | Manualshive

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Courtesy of NationalSwitchgear.com

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Summary of Contents for AM-13,8-50Q-5HVB

Page 1: ... 5H AM 13 8 500 5HB AM 13 8 500 5HV AM 13 8 50Q 5HVB AM 13 8 500 6C AM 13 8 500 6CB AM 13 8 500 6H AM 13 8 500 6HB CONTENTS Introduction Receiving Handling and Storage Installation Description of Operation Adjustments 3 3 4 4 10 General Maintenance 1 4 Renewal Parts 28 GENERALI ELECTRIC 1 m Courtesy of NationalSwitchgear com ...

Page 2: ...Cover Photo 8034807 ...

Page 3: ... this combination has avery corrosive effect on many parts 3 Unfinished surfaces of rollers latches etc of the operating mechanism should be coated with grease to prevent rusting If the breaker is stored for any length of time it should be inspected periodically to see that rusting has not started and to insure good mechan ical condition Should the breaker be stored under unfavorable atmospheric c...

Page 4: ...the test coupler to the circuit breaker and operate ittelectrically several times Check the control voltage as de scribed under CONTROL POWER CHECK Page 14 4 Disconnect the test coupler and replace box barrier 5 If the breaker has been stored for a long period of time it is recommended that the insulation be checked with a standard 60 cycle high potential test Refer to Insulation Test Page 16 NOTE...

Page 5: ...10 Spring Blocking Device 7 10 11 12 1 Figure 2 8034473 Left Side View ML 13 Operating Mechanism 2 Secondary Coupler Interlock Switches Auxiliary Switch Latch Checking Switch Switch Cam Charge Discharge Indicator Closing Latch Roller Power Switches Closing Latch Closing Springs Motor Fuses 1 3 2 3 4 4 5 5 6 6 7 8 9 10 11 12 Figure 3 8038805 Spring Discharge Linkage 1 Link 2 Adjusting Bolt 3 Trip L...

Page 6: ... the metal clad unit In cases where breakers with type ML 13 mechanisms must match and line up with breakers having type ML 11 mechanisms the spring charging circuit for both mechanisms should be fused with Buss Company Fusetrons as follows Cat No Cont Volt Fuse Size FRN 10 FRN 4 FRN 4 FRN 4 FRN 2 5 FRN 2 5 FRN 2 5 10A 48v d c llOv d c 125v d c 115v a c 22Ov d c 250v d c 230v a c 4A 4A 4A 2 5A 2 5...

Page 7: ...el provides for maximum safety in the event that control power is suddenly restored without warning In this event the motor drive will override the ratchet wrench and continues to charge the springs Closing Operation The breaker can be closed electrically by energizing the spring release solenoid 15 Figure 6 or manually by pushing the close button 9 Figure 5 In either method the closing latch is r...

Page 8: ...kage to collapse The energy stored in the opening springs is released to provide the required opening speed for successful interruption of the circuit 14 15 25 Fig 7 0114C5320 Sectional Side View of Mechanism 18 Stop Plate 19 Spring Rod 20 Spring 21 Spring 22 Spring Guide 23 Stop Pin 24 Main Shaft Bearing 25 Cam Shaft Bearing 1 Handle 2 Trip Coil Support 3 Trip Coil 4 Trip Armature 5 Prop Reset Sp...

Page 9: ...ertion of each additional blow out coil into the circuit At the time the arcing con 12 13 f 15 14 t 3 16 17 18 19 4 20 t 21 22 23 24 25 26 27 iii 28 in 29 II t i I 7 V 4 Fig 8 0634D0372 Cross Section of Breaker Pole Unit 1 Box Barrier Catch 2 Box Barrier 3 Arc Chute Side 4 Upper Arc Runner 5 Upper Blow Out Coil 6 Upper Blow Out Core 7 Movable Arcing Contact 8 Lower Arc Runner 9 Lower Blow Out Coil...

Page 10: ...TS All adjustments should be checked during per iodic inspections and whenever it becomes nec essary to repair or replace parts that have become worn or defective while in service The following adjustments are listed in the order in which they are to be checked after removing the box barriers and front cover from the breaker MECHANISM UNLESS THE CLOSINGSPRINGS ARE BLOCKED AND THE OPENING SPRINGS H...

Page 11: ...re 10 loosenthe check nut 4 and turn the adjusting nut 3 Screw ing up onthe adjusting nutwill decrease the primary contact wipe down will increase it Tighten the check nut close the breaker and recheck the wipe With the primary contact wipe correctly adjusted the clearance between the contact arm 6 Fig ure 9 and the buffer block 3 should be 1 16 or greater when the breaker is fully closed Trip Lat...

Page 12: ...ing pawls and to the front if the clearance is under the minimum at the driving pawl Move the motor assembly approximately twice the dimensional in crease required at the pawl Be certain the motor assembly is moved straight forward or rearward and tighten the one bolt on the right side of the mounting frame first to assure proper alignment After tightening the remaining bolts the springs should be...

Page 13: ...unger Interlock Refer to Figure 14 With the breaker in the closed position the vertical distance A from the top of the plunger bolt 1 to the bottom of the breaker lifting rail 3 should be 11 7 32 to 11 11 32 To change this adjustment add or remove washers 2 Auxiliary Fuses I Refer to Figure 15 On breakers with C suffix a set of protecting fuses 10 are mounted on the front of the breaker These fuse...

Page 14: ...ied range check the voltage at the source of power and line drop between the power source and breaker When two or more breakers operating from the same control power source are required to close simultaneously the closed circuit voltage at the closing coil or motor of each breaker must fall within the specified limits Electrical closing or opening is accomplished by energizing the closing or trip ...

Page 15: ...ions give the items that should be included in an inspection and general recommendations on the maintenance of breakers Interrupters Since there are nomovingparts the interrupters of a magneblast breaker will normally require little or no inspection unless there is evidence of damage to the arc chutes sides or contamination in the throat area If either of these conditions are present the interrupt...

Page 16: ...hey can be made smooth with a fine file After completing inspection of the contacts check the contact adjustments as specified under ADJUSTMENTS In order to maintain reliable operation it is important that all circuit breakers be properly A lubricated at all times Most of the bearings and rolling surfaces utilize a new type of dry lubrication that will require no maintenance and will last the life...

Page 17: ... driving pawl lever Bronze or cast iron Remove bearings or links clean per in structions and apply D50H15 lubricant liber ally Contact Arm Hinge Assembly Cup Bearing Loose rings between bushing and contact arm Wipe clean and apply D50H47 No lubrication required Roller and Needle Bearings Light applica tion of machine oil SAE 20 or SAE 30 Clean per instructions and repack with D50H15 lubricant Grou...

Page 18: ...in a container of clean petroleum solvent or similar cleaner TETROCHLORIDE has become badly oxidized it may be necessary to use alcohol type used for thinning shellac to remove it Ordinarily by agitating the bearings in the cleaning solution and using a stiff brush to remove the solid particles the bearings can be satisfactorily cleaned Do not handle the bearings with bare hands as deposits from t...

Page 19: ...stant surface coating replace runner when surface coating has been penetrated Its electrical operation 2 1 2 3 The contacts should be 3 4 Check the stationary arc contacts to assure that the arcing contacts are in good condition andthat their connections are tight Insulating t material that is carbonized and cannot be satisfactorily cleaned should be replaced Any parts damaged or severely burned a...

Page 20: ...ustrated asshown in Figure 19 8 The arc chute sides 6 Figure 19 can also be separated for inspection i 9 On the 6 design do not disassemble the muffler assembly 4 Figure 18 ft REPAIR AND REPLACEMENT This section covers the proper method of removing and replacing those parts of the breaker subject to damage and wear that may require repair or replacement at the installation IMPORTANT UPON COMPLETIO...

Page 21: ...ly Bolts Assembly Bolt Upper Interrupter Support Assembly Bolts Upper Insulation Side Shield Assembly Bolts Lower Interrupter Support Assembly Bolts Assembly Bolt 13 2 14 15 if 3 16 4 13 5 f 3 6 7 17 5 8 I 9 10 I 6 18 S 11 I 7 m I 12 19 13 8 14 m 15 S 16 17 20 18 5 21 19 9 22 a 20 10 21 ii 22 Fig 18A 8036083 5 Design Fig 18 Interrupter Assembly r r Fig 18B 8038702 EARLY 6 Design Fig 18C 8039512 LA...

Page 22: ...Cooler 9 Lower Arc Runner 10 Lower Insulation 11 Lower Arc Runner Spacers 12 Lower Arc Runner Assembly 13 Lower Coil Connection I i j i Fig 19A 8021965 5 Design Fig 19 Interrupter Assembly with Side Removed 9 m Q i Y w i 9 p r 2 H CMsgam 3 i VC w 4 1 6 5 TV ii 7 7 8 W 9 10 R3 ii 11 r e 12 3SS e w 13 a w Fig 19B 8038701 6 Design Fig 19C 8039510 LATER 6 Design j 22 a Courtesy of NationalSwitchgear c...

Page 23: ... stud platefrom contact support remove two bolts 6 5 Reassemble in the reverseorder make sure locking plates are properly re assembled with bolts 8 B Movable Arcing Contact 14 Figure 23 1 Remove the assembly bolts 12 making note of quantity and location of shims and spacers used between contacts and contact arms 2 Reassemble in reverseorder re using the shims and spacers 3 Close the breaker slowly...

Page 24: ...Bolt 9 Stud for Mounting Arcing Fingers 10 Stationary Arcing Contact Assembly 11 Spring Baffle 12 Insulating Plate 7 8 9 10 11 12 13 14 F 15 i C Stationary Primary Contacts 9 Figure 24 1 Compress the contact spring 6 by use of the spring compressor 2 Remove spring and spring guide 1 3 Raise the contact finger to clear the primary contact stop plate 8 and lift the finger out of contact support 7 Re...

Page 25: ...Figure 24C 8034469 Method of Installing Primary Contact Springs Using a Spring Compressor Figure 24 6 Spring 7 Contact Support 1 Spring Guide 2 Compressor Nut 3 Spring Compressor 8 Stop Plate 9 Stationary Primary Finger 4 Spring Retainer 5 Assembly Bolts 25 Courtesy of NationalSwitchgear com ...

Page 26: ...lange of the rear bushing being removed and lower the bushing assembly NOTE Shims may be found between the breaker mounting plate and the bushing mounting flange on some or all bolts These shims are for squaringup the bushing and may be required when new bushings are assembled Referring to Figure 24 disassemble the primary contact springs 6 as previously described Disassemble the spring retainer 4...

Page 27: ... the latch checking switch 7 Figure 12 when furnished remove the two mounting screws and disconnect the lead wires Reassemble in the reverse order and check the switch adjust ments as explained under ADJUSTMENTS MOTOR RELAY AND LIGHT SWITCHES 1 Remove 2 cotter pins at ends of trip latch roller shaft 8 Figure 13 2 Partially remove shaft out right side of frame until latch roller 6 is free 3 Reassem...

Page 28: ...key and check shaft for burrs 5 Remove shaft out left side of frame 6 Reassemble in reverse order using the cor rect number of washers and spacers topro perly locate the parts 7 Rotate the mechanism through a closing operation using the manualcharging wrench Check the location of the cam follower 6 Figure 7 on the cam 16 If necessary move the cam to correct the alignment Complete the closing opera...

Page 29: ...identical to the original parts since improvements are made from time to time The parts which are furnished however will be interchangeable The listed terms Right and Left apply when facing the mechanism end of the breaker ORDERING INSTRUCTIONS 1 Always specify the complete nameplate data of both the breaker and the mechanism 2 Specify the quantity catalog number if listed reference number if list...

Page 30: ...60 Hz 230 V AC 60 Hz 48 V DC 15 1 6 j 006174582G001 006174582G015 006174582G002 006174582G010 006174582G014 006174 582G 034 0456A0866P005 0456A0866P006 y 0161A4231P001 0137A9252P001 0161A4241P001 0161A5909P001 Switch Normally Open Switch Normally Closed Auxiliary Switch Closing Latch Spring Prop Spring Driving Pawl Spring Latching Pawl Spring p 5 10 6 1 10 6 1 1 5 12 1 6 4 i 1 8 1 5 4 2 2 4 i 5 Re...

Page 31: ...All 9 Movable Primary Contact 3 0137A9164P003 23 1200 All 10 Movable Primary Contact Movable Primary Contact 3 0137A9164P004 23 1200 All 10 0137A9164P003 3 23 10 1200 A Movable Primary Contact 0137A9164P004 3 23 10 1200 A Movable Primary Contact 0114C5382P004 6 23 10 1200 B Movable Primary Contact 0114C5382P004 6 23 All 10 2000 Movable Primary Contact 0137A9164P003 6 23 All 10 2000 Movable Primary...

Page 32: ...1 GENERAL ELECTRIC COMPANY SWITCHGEAR BUSINESS DEPARTMENT PHILADELPHIA PA 19142 I GENERAL ms ELECTRIC j s Ml V V i 2 80 7 69 Courtesy of NationalSwitchgear com ...

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