GE AM-2.4/4.16-100/150- 3, Instructions And Renewal Parts

Page 1: ... 150A 3 AM 2 4 4 16 150 250 3 AM 2 4 4 16 150 250A 3 IVlth MS 13 Mechanism eOECTSHTS 3 INTRODUCTION RECEIVING HANDLING AND STORAGE 3 3 DESCRIPTION 4 INSTALLATION 9 OPERATION 11 MAINTENANCE 18 RENEWAL PARTS MEDIUM VOLTAGE SWITCHGEAR DEPARTMENT wm L GENERAL P H I L A D E L P H I A PA Courtesy of NationalSwitchgear com ...

Page 2: ...g Solenoid 10 Plunger Interlock Optional J _4 v _ ni V smsamiai rSi i t w j 7 S y S AA rl fL t A _8 WK r i rh j 1 V i o f T 7 I i i i t _ i Fig I MS 13 Operating Mechanise wrmw B v f ML s a IMi mmm 00 00 s r 8 A f J s l Si f CM C i V LS mmL vV v 3ST w rtiL J 3 XH 12 Y 5 CC S v O 2 CM CM if 4 3 3 Handle 4 Release Valve 1 Closing Armature 2 Maintenance Operating Device Method of Mounting Maintenance...

Page 3: ...be filed immediately with the transportation company and the nearest General Electric Sales Office should be notified STORAGE It is recommended that the breaker be put into service immediately in its per manent location If this is not possible the following precautions must be taken to insure the proper storage of the breaker 1 The breaker should be carefully pro tected against condensation prefer...

Page 4: ...he breaker Is closed as shown in Fig 3 the stationary primary contacts 1 should rise 5 16 0 l l6 To obtain this adjustment open the breaker and referring to Fig 4 loosen the check TRm T ATPH U TDI nut 4 and turn the adjusting nut 3 DA1L WIPE Screwing up on the adjusting nut will de Refer to Fig 5 The wipe of the trip crease the primary contact wipe down will latch 4 on the triproller 6 shouldbe fr...

Page 5: ... open position the clearance between the closing plunger roller 14 should be obtain this clearance the nuts 22 two armature guide bolts 23 n raised or lowered Both nuts should be moved the same amount After making an adjustment close and open the breaker and recheck the plunger clearance Repeat the adjustment if necessary o 2 00 175i and the closing 16 to 3 16 To i on the may be o QO 1 Operating R...

Page 6: ...r ease in reviewing the adjustments the following are recapitulated a Primary contact wipe 5 16 0 1 16 Referring to Fig 7 measure the over travel of the two auxiliary switch plungers Manually operate the control device by pressing the operatingarm 5 the full extent of travel to the rear With the device in this position further depress the plunger 4 on the top auxiliary switch 3 The gap between the...

Page 7: ... of the breaker individually for one minute with all other terminals and the breaker frame grounded After high potential tests are made on organic insulating materials these materials should be inspected for visible leakage current paths and necessary action must be taken to replace insulation that may have been affected by moisture absorption The high potential test is also recommended for breake...

Page 8: ...aker nameplate Ordinarily standard ranges apply which are as follows 4 5 6 CM 8 8 oi u _ 1 Shunting and Anti Pusnp Switch 2 Seal in Switch 3 Operating Coil 4 Crank 5 Stationary Contact Assembly 6 Movable Contact Assembly 7 Arm 8 Arc Chute 9 Trip Lever 10 Plunger Guide Fig II Control Device CLOSING RANGE NOMINAL VOLTAGE TRIPPING RANGE 125V d C 250V d c 230V a c 90 130V d c 180 260V d c 190 250V a c...

Page 9: ... The closing sequence is in ated from a control switch mounted on the door of the metal clad unit or at a re mote operating station Operation of the closing control switch energizes the pick up coil of the control device As the control device closes seal in contacts shunt the closing control switch to allow the opening of the closingcontrolswitch contactswithout affecting the overall closingoperat...

Page 10: ... Booster Tube Connection Bar Booster Cylinder and Piston 21 11 Blow out Coil 12 Blow out Core 13 Muffler 14 Front Bushings 15 Rear Bushings 16 Frame 17 Operating Crank 18 Upper Horizontal Barrier 19 Spring Retainer 20 Lower Horizontal Barrier Box Barrier Handle Blow out Core Blow out Coil Arc Runner Pole Piece Stationary Arcing Contact Box Barrier Arc Chute Pole Piece Arc Runner 1 22 2 23 3 24 4 2...

Page 11: ...kers be properly lubricated at all times During assembly at the factory all bearing sur faces machined surfaces and all other parts of the breaker and mechanism subject to wear have been properly lubricated using the finest grade of lubricants avail able However even the finest oils and greases have a tendency to oxidize with age as evidenced by hardening and darken ing in color Elimination of the...

Page 12: ...hanism ad justments latches stops auxiliary devices etc in accordance with IN STALLATION ADJUSTMENTS Ex 2 amine latch and roller surfaces for corrosion Recondition or replace The pins should be removed and allold oxidized grease removed by immersion in clean petroleum solvent or similar cleaner DO NOT USE CARBON TETRACHLORIDE Wipe the bearing clean Apply a small amount of G E Lubricant D50H15 to t...

Page 13: ...unting support 14 Fig 16 by removing the assembly bolts 15 and the connection nut 9 Fig 18 6 At this point the fiber side shields 6 Fig 18 the upper arc runner assembly 4 and lower arc runner assembly 7 can be removed 7 Further disassembly of both the upper and lower arc runner assemblies canbe done by removing the various screws and 1 4 assembly bolts not illustrated as shown in Fig 17 8 The arc ...

Page 14: ...sembly remove one bolt 5 4 To disassemble stud assemblyfrom contact support remove two bolts 5 Reassemble in the reverse order B Stationary Primary Contacts 9 Fig 20 1 Compress the contact spring 6 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 finger at a time To replace the Stationary Primary Co...

Page 15: ...embly 11 Spring Baffle 1 Contact Springs 2 Stationary Primary Contacts 3 Qjp Bearing 4 Contact Arm 5 Movable Primary Contacts 6 Assembly Bolts 7 Movable Arcing Contact 8 Assembly Bolts 9 Connection Bar 10 Piston Assembly Front Bushing 8 1 Open the breaker and remove the box barrier and arc chutes as already des cribed Remove the upper and lowrer horizontal barriers 4 and 5 Fig 22 Remove the connec...

Page 16: ... 9 and compressing the piston ring on the upper pole piece Tilt the bottom plate downward and replace the solenoid pot 1 and two front studs and nuts 8 6 7 1 Solenoid Pot v 2 Terminal Board 3 Secondary Wire Cleats 4 Bottom Plate 5 Control Device Trip Plunger Rod 6 Guide Studs 7 Closing Armature 8 Stop Nuts 9 Front Stud Nuts 10 Plunger Guide 11 Closing Coil Leads 12 Stop Nuts Tighten the four nuts ...

Page 17: ... the two mounting screws 8 and disconnect the lead wires Reassemble in the reverse order and check the switch adjustments as explained under INSTALLATION ADJUST MENTS cs 0 2 o CO in Oi cn u _ CUT OFF SWITCH To remove the cut off switch 1 Fig 8 remove the two mounting bolts and disconnect the lead wires sembling check the cut off switch adjust ment as explained under INSTALLATION ADJUSTMENTS When r...

Page 18: ...CHASED LOCALLY 4 FOR PRICES REFER TO THE NEAREST OFFICE OF THE GENERAL ELECTRIC COMPANY ILLUSTRATION REFERENCE Page Arc Chute Control Device for All Mechanisms Cross sections Type AM 2 4 4 16 3 Impact Trip Device for All Mechanisms Interlock Plunger Maintenance Closing Device Movable Contact Arm Assembly MS 13 Mechanism Cross section Details Spring Asm MS 13 Mechanism Front View Right and Left Sid...

Page 19: ...ing plate Insulating cap Washer Lower shield Insulation Upper insulation Operating rod Flex Conn Closing coil 125V d c Closing coil 125V d c Closing coil 250V d c Closing coil 250V d c Potential trip coil 125V d c Potential trip coil 250V d c Potential trip coil 230V a c Potential trip coil 48V d c Potential trip coil 24V d c Potential trip coil 48V d c Potential trip coil 32V d c UVD Coil 125V d ...

Page 20: ...I QT iw 2 0 100 I I l 210 V ylyL ra i 11 CO t 7i CM I 7 Li CM I c i i z r r on i k U CTj 5 n 1 5 6 1 2 3 4 19 32 J 22 22 23 24 ND 27 R CM cr r 25 27 c _ CO CM SECTIONS AA 7 o 31 28 cs TOPff OTP TO on 26 30 U 2000 AMP 1200 AMP Fig 26 Cross sections Type AH 2 4 4 16 3 20 Courtesy of NationalSwitchgear com ...

Page 21: ...5C188 All 3 11 All 258C619 P 8 All 3 12 All 258C614 P 5 AL1 3 Block 600 1200 Horizontal barrier lower Horizontal barrier lower 13 All 258C614 G 3 3 13 All 2000 258C614 G 2 3 600 1200 15 All 258C614 P 20 4 Plate V 15 6592511 P 1 All 2000 1 Top Plate 18 258C683 G l All All 1 Wheel asm complete Wheel asm complete Wheel spreader bushing Spacer Washer A A 19 236C767 G 7 1 A 21 A 6597296 P 6 22 All 6442...

Page 22: ...8C616 P 1 264B100 G 3 258C616 P 4 215D469 G 3 215D469 G 9 6176109 P 76 258C615 G 2 258C615 P 29 258C616 P 18 258C616 P 2 258C615 G 6 6179109 P 93 258C615 G 3 258C615 G l 258C615 P 11 6176110 P 82 432249 414A116 P 2 414A117 P 1 366A743 G l 258C632 G l 258C616 P 5 258C616 P 11 366A744 G l 3363094 P 369 258C615 P 15 383A932 P 1 258C615 G 4 258C615 G 5 258C616 P 22 258C616 P 21 258C616 P 9 421711 258C...

Page 23: ...ainer Support Support Arcing contact support Flexible conn right Flexible conn left Arcing contact asm Insulating plate Buffer Spring Spring Spring guide Spring guide Washer for spring guide Washer for spring guide Lock plate Contact support Contact support Contact support Contact finger Contact finger Primary contact finger retainer Primary contact finger retainer Primary contact finger retainer ...

Page 24: ... 8 258C666 P 6 236C792 P 22 236C792 P 3 414A146 P 4 414A146 P 3 258C619 P 2 3 Movable contact arm assembly Movable contact arm assembly Movable contact arm assembly Movable arcing contact Movable primary contact Movable primary contact Movable primary contact Movable primary contact Movable primary contact Movable primary contact Contact arm Tube piston assembly Contact arm Piston ring Piston ring...

Page 25: ...PE NO PER MECHANISM DESCRIPTION REF AM 4 l6 MVA 3 0 AM 4 16 MVA 3 NO Plunger for interlock Bracket for interlock Spring for interlock 1 6442255 P 1 264B133 G l 6509728 P 1 6477427 AA P 9 6443714 6477427 JA P 4 6597228 P 1 236C787 P 12 236C787 G 2 6509728 P 1 383A926 AD P 1 236C787 P 14 236C787 P 5 236C787 P 16 325 1 326 1 327 Pin 1 328 Roller 1 329 Pin 1 330 Crank 2 331 This plunger interlock fram...

Page 26: ...k Link Spring Spring clip Veeder counter Link Indicator assembly Prop Closing coil 125V d c 250 MVA Closing coil 125V d c 150 MVA Closing coil 250V d c 250 MVA Closing coil 250V d c 150 MVA Plunger AM 4 16 150 250 Piston ring AM 4 16 150 250 Piston ring AM 4 16 150 Pole piece AM 4 16 250 Pole piece AM 4 16 150 Guide for pole piece AM 4 16 150 Guide for pole piece AM 4 16 250 Washer Arm plate 1 251...

Page 27: ... 274 275 277 V WSSSSJ Y A 266 278 279 280 267 s CO o cO LO Fig 3 A Cross section CM Fig 3IB Complete Spring Assesbly CO CO 6 282 30I a rU n n R f hn 302 mn Q 293 i u u 299 292 283 284 252 283 VIEW 0 VIEW A 253 n n 306 258 3 Z i 1 J 304 F 305 LI 258 II 288 VIEW E T 285 VIEW G 287 286 VIEW B corp 4 291 90 294 R 289 i q J50 V 296 s m 295 CM li o CO VIEW C VIEW F oi u _ Fig 3IC Detailed Views Fig 31 M...

Page 28: ...4582 G l 6174582 G 2 6174582 G 10 6174582 G 14 6275070 G l 6275070 G 2 6275070 G 3 1 Man trip rod Man trip rod support Rod Tube Insulating tube Crank Auxiliary switch Crank Spacer Interlock prop shaft Spring Interlock prop Bearing bracket Shaft Link Crank Crank Bracket Latch checking switch Interlock switch Potential trip coil 125V d c Potential trip coil 250V d c Potential trip coil 48V d c Poten...

Page 29: ... PER MECHANISM DESCRIPTION NO AM 4 l6 MVA 3 500 264B162 G l 264B173 G l 366A234 P 1 6319964 P 2 6046942 848768 P 1 6443717 6505244 P 1 6557827 P 1 258C669 G l 1 Secondary disc device complete 16 point Secondary disc device complete 7 point Contact nut Plug Nut for plug Lock washer for plug Stud Socket Shim Maintenance closing device 500 1 501 4 503 16 504 16 505 16 506 3 507 1 508 4 510 1 29 Court...

Page 30: ...443 6551726 175V578 6076401 P 309 6076401 P 305 6418069 G S 175V576 374A246 P 1 175V562 P 1 384A330 G l 6477414 AC P 20 6558711 P 1 6558723 G l 6509798 6275017 G 19 6275017 G 33 6275017 G 20 1 Spring Trip pan Bracket Trip latch Ball bearing Trip arm 601 1 602 1 603 1 604 1 605 1 606 1 Pin 607 1 Pin 608 1 Terminal board Undervoltage device complete Stop for d c only Spring for d c only Spring for a...

Page 31: ... 315 6477401 AA P 3 6509794 174V378 174V373 6443666 6418068 G 7 6592505 AA 6558752 G l 6558751 P 1 6049320 6558755 P 2 6076401 P 385 2236575 175V965 P 1 6443667 6174599 G 2 6174599 G 6 1 Impact trip device complete Lever Locking plate 703 1 704 1 705 1 Pin 706 1 Roller 709 1 Pin 710 1 Crank Bushing Eyebolt asm Spring Bracket Spacer Bracket Trip arm 711 1 713 1 715 1 716 1 717 1 718 1 719 1 720 1 P...

Page 32: ...ittent Support for contact tip Insulation Support for stationary contact Core Blowout coil Support for coil Connector Support for movable contact Shield Spring Movable contact Arc chute assembly Spring Spring d c Spring a c Spring 6375988 G 5 403A128 G l 6375988 G 6 6375988 G 9 6418068 G 6 6418068 G 5 6275017 G 19 6275017 G 33 6275017 G 20 6275017 G 34 6591455 P 1 6442392 P 1 6591411 G l 6591450 P...