Summary of Contents for AM-13.8-500-5C

Page 1: ...M 13 8 500 5HV AM 13j 8 50Q 5HVB AM 13 8 500 6C AM 13 8 500 6CB AM 13 8 500 6H AM 13 8 500 6HB m CONTENTS Introduction Receiving Handling and Storage Installation Description of Operation Adjustments...

Page 2: ...neafs s fnmaifai gover Photo 8034807 1 i...

Page 3: ...s combination has avery corrosive effect on many parts 30 Unfinished surfaces of rollers latches etc of the operating mechanism shouldbe coated with grease to prevent rusting If the breaker is stored...

Page 4: ...coupler to the circuit breaker and operate ittelectrically several times Check the control voltage as de scribed under CONTROL POWER CHECK Page 14 Disconnect the test coupler and replace box barrier0...

Page 5: ...SSF 12 1 Figure 2 8034473 Left Side View ML 13 Operating Mechanism 2 1 Secondary Coupler 2 Interlock Switches 3 Auxiliary Switch 4 Latch Checking Switch 5 Switch Cam 6 Charge Discharge Indicator 7 Clo...

Page 6: ...can be released and returned to the reset position by pushing in on the trip lever 8 Figure 5 It may require more than normal force to release the interlock A plunger interlock Figure 14 can be provi...

Page 7: ...osing 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 ro...

Page 8: ...s to permit the spring charging motor tobe energized and recharge the closing springs Opening Operation The breaker can be opened either electrically J I Fig 7 0114C5320 Sectional Side View of Mechani...

Page 9: ...ts part a discharge of air is expelled through 12 13 15 Z 1 14 t i i i 2 H 3 T z I X 16 I z 17 n z z 18 L Z YA s 19 4 20 Z 5 21 6 22 f 23 i I iJ 24 25 s IH 26 8 27 9 28 l 10 29 II ft t 4 1 d S 1 z I I...

Page 10: ...nts 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 liste...

Page 11: ...justing 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 co...

Page 12: ...under the minimum at the driving pawl Move the motor assembly approximately twice the dimensional in 0 crease required at the pawl Be certain the I 1 Refer to Figure 12 With the positive interlock in...

Page 13: ...3 Plunger 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...

Page 14: ...er nameplate are as follows i I 1 II III J 5 0 Closing Range Tripping Range Nominal Voltage I s 1 30v d c 60v d c 125v d c 140v d c 250v d c 280v d c 125v a c 250v a c 14 24v d c 48v d c llOv d c 125v...

Page 15: ...give the items that should be included in an inspection and general recommendations on the maintenance of breakers 3 Interrupters Since there are no moving parts the interrupters of a magneblast brea...

Page 16: ...de smooth with a fine file After completing inspection of the contacts check the contact adjustments as specified under ADJUSTMENTS f In order to maintain reliable operation it is important that all c...

Page 17: ...achine oil SAE 20 or SAE 30 Sleeve Bearings main crank shaft driving pawl lever Bronze or cast iron Wipe clean and apply D50H47 No lubrication required Contact Arm Hinge Assembly Cup Bearing Loose rin...

Page 18: ...a container of clean petroleum solvent or similar cleaner TETROCHLORIDEo has become badly oxidized it may be necessary to use alcohol type used for thinning shellac to remove it Ordinarily by agitati...

Page 19: ...resistant surface coating replace runner when surface coating has been penetrated Its electrical operation 1 2 The contacts should be 3 4 Check the stationary arc contacts to assure that the arcing c...

Page 20: ...D50H47 7 4 The breaker and operating mechanism should be serviced as described for every 2 000 operations and properly adjusted before being put back into service 8 9 REPAIR AND REPLACEMENT This secti...

Page 21: ...Bolts Assembly Bolt Upper Interrupter Support Assembly Bolts Upper Insulation Side Shield Assembly Bolts Lower Interrupter Support Assembly Bolts Assembly Bolt 1 13 I 14 2 15 3 I 16 1 4 m 13 5 I 3 6 1...

Page 22: ...rc Runner Lower Insulation Lower Arc Runner Spacers Lower Arc Runner Assembly Lower Coil Connection 1 s 2 t 3 4 5 6 R 7 8 9 10 11 12 i 13 Fig 19A 8021965 Fig 19 Interrupter Assembly with Side Removed...

Page 23: ...latefrom 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 23e 1 Remove the assembl...

Page 24: ...ction Bolt 9 Stud for Mounting Arcing Fingers Stationary Arcing Contact Assembly Spring Baffle Insulating Plate 7 1 8 9 1 10 6 11 12 8 13 10 li 14 12 15 i C Stationary Primary Contacts 9 Figure 24 1 C...

Page 25: ...Figure 24 Method of Installing Primary Contact Springs Using a Spring Compressor 6 Spring 2 Compressor Nut 7 Contact Support 3 Spring Compressor 8 Stop Plate 4 Spring Retainer 9 Stationary Primary Fin...

Page 26: ...e rear bushing being removed and lower the bushing assembly 3 3 I NOTE Shims may be found between the breaker mounting plate and the bushing mounting flange on some or all bolts A These shims are for...

Page 27: ...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 ADJU...

Page 28: ...e arm ature is not binding electrical operation Check coil for CLOSING SPRINGS f The closing springs 12 Figure 4 can be removed as follows 1 Charge the springs with the manual charg ing wrench and app...

Page 29: ...l to the original parts since improvements are made from time to time The parts which are furnished however will be interchangeable NOTE The listed terms Right and Left apply when facing the mechanism...

Page 30: ...5 V AC 60 Hz 230 V AC 60 Hz 48 V DC 6 15 1 006174582G001 006174582G015 006174582G002 006174582G010 006174582G014 006275070G002 0456A0866P005 0456A0866P006 Switch Normally Open Switch Normally Closed A...

Page 31: ...l 22 3 12 All A A 22 3 All 22 12 V 3 All 0236C0790G009 0414A0K50P001 10 All 22 12 23 1200 2 A 12 1200 23 2 B 0121A5964P001 18 23 2 1200 B 24 006509787P001 23 2000 2 All 0121A5964P001 18 All 23 2 2000...

Page 32: ...wn 44507 2621 Victory Pkwy 1000 Lakeside Ave 1110 Morse Rd 3125 Douglas Rd 272 Indianola Ave t t t I t WISCONSIN Appleton 54911 3003 West College Dr 815 E Michigan St t t KENTUCKY Louisville 40218 230...

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