GE AM-13.8-750-4C Instructions And Recommended Parts For Maintenance Download | Manualshive

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Summary of Contents for AM-13.8-750-4C

Page 1: ...750 4H AM 13 8 750 4HB t 1 fit if S i J 1 If V 3 Introduction Receiving Handling ahd Storage Installation a 3 II p 4 U Description of Operation Adjustments General Maintenance 14 Renewal Parts i 11 4...

Page 2: ...i Courtesy of store ips us...

Page 3: ...ess or rough handling or from exposure to moisture or dirt Check all parts against the packing list to be sure that no parts have been overlooked Shipping Blocks where applicable To protect the box ba...

Page 4: ...te the driving eccentric until the indicator reads CHARGED and the ratchet wheel does not adyance The spring blocking device can now be removed 3 Connect the test coupler to the circuit breaker and op...

Page 5: ...anism l il O 1 Secondary Coupler 2 Interlock Switches 3 Auxiliary Switch 4 Latch Checking Switch 5 Switch Cam 6 Charge Discharge Indicator 7 Closing Latch Roller 8 Power Switches 9 Closing Latch 10 Cl...

Page 6: ...e motor and closing circuit These breakers are identified by C suffix in the breaker nomenclature In cases where breakers with type ML 13 mechanisms must match and line up with breakers having type ML...

Page 7: ...e re set The closing springs may be charged manually if control voltage is lost A 5 8 ratchet wrench can be used to rotate the eccentric in a counter clock wise direction until the indicator reads Cha...

Page 8: ...loses to permit the spring charging motor to be ener gized and recharge the closing springs Opening Operation The breaker can be opened either electrically 13 14 15 25 16 Fig 7 0114C5320 Sectional Sid...

Page 9: ...ners the field isprogressively increas ed by the insertion of each additional blow out coil into the circuit Q 13 I 4 15 2 16 3 i 4 17 r 5 18 19 6 r 20 8 2 1 2 2 9 2 3 10 2 4 25 12 2 6 2 7 1 tU 1 JL 1...

Page 10: ...oke and the springs will re charge as in a normal closing operation ADJUSTMENTS All adjustments should be checked during per iodic inspections and whenever it becomes nec essary to repair or replace p...

Page 11: ...hten 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 gr...

Page 12: ...support bolts 2 Figure 1 and move entire motor assembly to the rear if the clearance is under the minimum at the latching pawls and to the front if the clearance is under the minimum at the driving p...

Page 13: ...mary contactgap 5 1 8 to 5 9 16 Trip latch wipe 3 16 to 1 4 with trip latch resting against stop pin Trip armature travel 7 32 to 9 32 Release latch wipe 3 16 to 1 4 a b c d 1 e f ing 3 Plunger Interl...

Page 14: ...d c 80 115v d c 90 130v d c l6o 230v d c 180 260v d c 95 125v a c 190 250v a c 28 60 70 120 140 95 190 If the closed circuit voltage at the terminals of the coil or motor does not fall in the specifie...

Page 15: ...eaker it is necessary to remove the box barrier Bolt the angle support 5 across the front of the top plate using the two 2 5 8 tapped holes provided Position the arc chute lifter 4 over the rear bushi...

Page 16: ...hs and necessary action must be taken to repair or replace insulation that may have been affected by moisture absorption If the breaker secondary wiring is to be given a hi potential test at 1500 volt...

Page 17: ...program withnot more than a two year period between lubrications It is also recommended that all circuitbreakers be operated at regular intervals at least once ayear PART LUBRICATION AT MAINTENANCE P...

Page 18: ...frequent and more detailed inspection and maintenance because of the repetitive nature of the applications The following schedule is recommended for such breakers A Every 500 Operations or Every Six M...

Page 19: ...as been penetrated as a result of arc erosion 4 Check the stationary arc contacts to assure that the arcing contacts are in good condition andthat their connections are tight 5 Insulating material tha...

Page 20: ...he fins of the arc chute sides should be equally spaced and aligned before bolting together The front edge along the runner of the two arc chute sides should beparal lel and in line This section cover...

Page 21: ...y Bolts 2 3 4 5 6 7 8 9 10 m n 12 13 14 15 16 17 18 19 18 20 19 20 Figure 18 8039452 Interrupter Assembly 1 2 3 m 4 IlgSSi 5g i w U i Wc i i z i 4 14 o III I JvM t i Fig 19 8039453 Interrupter Assembl...

Page 22: ...ms and spacers 3 Close the breaker slowly to check that the movable arcing contact is ap proximately centered on the station ary arcing contact and that it does not rub on either side of the throat ba...

Page 23: ...200 ampere breaker proceed as follows 1 Disassemble nuts from assembly bolts 13 and remove the movable primary contacts 12 2 Reassemble in reverse order 8 2 9 10 3 4 11 5 12 6 13 14 7 15 r 16 Figure 2...

Page 24: ...24D 8034468 Figure 24C 8034469 Figure 24 Method of Installing Primary Contact Springs Using a Spring Compressor 1 Spring Guide 2 Compressor Nut 3 Spring Compressor 8 Stop Plate 4 Spring Retainer 5 Ass...

Page 25: ...n the breaker The longest projection of the bracket should be toward the lower end of the bushing 3 2 Disassemble hinge pin 3 cup bearing 4 and operating rod pin 2 noting quantity and location of any...

Page 26: ...per instructions below Remove 2 mounting bolts 4 from switch bracket 5 Remove the 2 mounting screws of the lower switch Remove the 2 mounting screws of the center switch Remove the 2 mounting screws o...

Page 27: ...r of fiber spacers before bolting support 6 Butt connect wires and check that the arm ature is not binding Check coil for electrical operation CLOSING SPRINGS The closing springs 12 Figure 4 can be re...

Page 28: ...depending upon the severity of the service and the time required to secure replacements Renewal parts which are furnished may not be identical to the original parts since improvements are made from ti...

Page 29: ...V AC 60 Hz 230 V AC 60 Hz 24 V DC 48 V DC 6 15 Spring Release Coil 1 006174582G001 006174582G015 006174582G002 006174582G010 006174582G014 006275070G002 110 125 V DC 220 V DC 250 V DC 115 V AC 60 Hz 2...

Page 30: ...er Assembly Arcing Contact Assembly Primary Contact Finger Spring Primary Contact Finger Spring Primary Contact Finger Primary Contact Finger Movable Primary Contact Movable Primary Contact Movable Pr...

Page 31: ...W Courtesy of store ips us...

Page 32: ...t Bettendorf 2621 Victory Pkwy 1000 Lakeside Ave 1110 Morse Rd 3125 Douglas Rd 272 Indianola Ave t Charleston 25328 306 MacCorklt Ave SE WISCONSIN KENTUCKY Appleton 54911 3003 West College Dr 615 E Mi...

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