ABB TMAX XT XT7M Disassembly Instructions Manual Download Page 36 | Manualshive

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36

INSTRUCTION HANDBOOK

113

By means of the flat screwdriver remove the
plug from the circuit breaker cover.

• 3 arching chambers (Plastic and

Metal)

• 1 + 2 screws (Metal)
• 1 metallic command protection

(Metal)

•  1 cover plug (Plastic)
•  3 labels (Adhesive paper)
•  1 plug (Plastic) separate?
•  1 circuit breaker cover (Plastic)

Disassembled parts

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Summary of Contents for TMAX XT XT7M

Page 1: ... INSTRUCTION HANDBOOK 1SDH002302A1001 ECN000285442 TMAX XT XT7M Disassembly instructions ...

Page 2: ......

Page 3: ...ssembly operation it s mandatory to put the circuit breaker in open position and make sure that the springs of the operating mechanism are discharged Disassembly operations of circuit breakers must be performed by qualified and skilled personnel in the electrical field IEV 195 04 01 person with relevant education and experience to enable him or her to perceive risks and to avoid hazards which elec...

Page 4: ...ring Mounted on the left part of the circuit breaker 1 RTC lever Mounted on the right side of the operating mechanism 1 Operating mechanism Mounted on the center of the circuit breaker 1 Unlocking shaft appendices Mounted on the pin of the operating mechanism 2 Springs charging lever Mounted on the left side of the operating mechanism 1 Protections Mounted on the upper case assembly 2 Fixed contac...

Page 5: ...erminal clamp to the circuit breaker main structure 4 By means of the flat screwdriver push the cap kits in order to remove them from the circuit breaker main structure 3 By means of the allen key remove the screws connected with the cap kits and after manually remove the plates 2 Manually remove the terminal clamp Actions to be performed 8mm Cross screwdriver ...

Page 6: ... Metal 12 screws and related washers Metal 12 plates Metal 6 cap kits Plastic SEPARATE TREATMENT Thermoplastics containing brominated flame retardants 12 nuts Metal Disassembled parts 5 By means of the flat screwdriver remove the nuts mounted on the cap kits ...

Page 7: ...n the lower part of the circuit breaker fixing the circuit breaker front cover to the circuit breaker main structure 7 Lift the springs charging lever and by means of the cross screwdriver unscrew the screw located below the springs charging lever fixing the circuit breaker cover to the circuit breaker main structure 9 Manually lift the circuit breaker front cover to complete the removal Actions t...

Page 8: ...ixing the T U reset group to the circuit breaker front cover 11 Manually lift the T U reset group and complete the removal 12 By means of the flat screwdriver unhook the reset lever from the lever support of the T U reset group 13 Manually separate the lever support and the lever ...

Page 9: ...the lever support 16 By means of the tork key remove the screw fixing the operation counter cap to the circuit breaker front cover and after manually remove the operation counter cap 17 By means of the tork key remove the 2 screws fixing the front cap to the circuit breaker front cover and after manually remove the front cap ...

Page 10: ...re of the circuit breaker and manually complete the removal of the operating mechanism cover 1 trip unit transparent protection Plastic 1 2 1 1 2 1 screws Metal 1 reset lever Plastic 1 lever Plastic SEPARATE TREATMENT Thermoplastics containing brominated flame retardants 1 spring Metal 1 lever support Plastic SEPARATE TREATMENT Thermoplastics containing brominated flame retardants 1 reset spring M...

Page 11: ...g the trip unit to the circuit breaker main structure 25 By means of the flat screwdriver disconnect the connector from the trip unit and after manually complete the removal of the trip unit 22 By means of the cross screwdriver unscrew the 2 screws located in the bottom part of the trip unit and fixing the trip unit to the circuit breaker main structure 24 Manually push the cables protection as in...

Page 12: ...e backplane 28 Let the rating plug printed circuit board mounted inside the rating plug let fall by gravity 29 By means of the cutter start removing the label located on the front of the rating plug case and manually complete the operation 30 By means of the cutter start removing the label located on the front of the trip unit and manually complete the operation 27 By means of the flat screwdriver...

Page 13: ...it base 33 By means of the flat screwdriver separate the trip unit case from the trip unit back cover 34 By means of the cutter start removing the trip unit Data Matrix label located on the trip unit back cover and by means of the pliers complete the operation 35 Manually remove the printed circuit board from the trip unit back cover ...

Page 14: ...astic Metal and Electronic components SEPARATE TREATMENT Printed circuit board 1 rating plug label Adhesive paper 1 trip unit label Adhesive paper 1 backplane Plastic SEPARATE TREATMENT Thermoplastics containing brominated flame retardants 1 trip unit case Plastic SEPARATE TREATMENT Thermoplastics containing brominated flame retardants 1 trip unit back cover Plastic SEPARATE TREATMENT Thermoplasti...

Page 15: ...ewdriver 37 By means of the cross screwdriver unscrew the 2 screws fixing the motor PCS support to the circuit breaker main structure 38 Manually remove the motor PCS support from the circuit breaker main structure 39 By means of the torx key unscrew the screw fixing the PCS cover to motor PCS support 40 Manually separate the PCS cover and the motor PCS support ...

Page 16: ... of the flat screwdriver unhook the connector from the trip coil group 43 By means of the flat screwdriver lift the trip coil group 45 By means of the cross screwdriver unscrew the screw fixing the lower plate to the trip coil 44 Manually remove the trip coil group 46 Manually push the lower plate as indicateted by the arrow in order to complete the removal ...

Page 17: ...Metal 1 PCS cover Plastic 1 motor PCS support Plastic Metal and Electronic components SEPARATE TREATMENT Printed circuit board 1 lower plate Metal 1 trip coil Plastic Metal and Magnets SEPARATE TREATMENT Magnets 1 trip coil group Plastic and Metal SEPARATE TREATMENT Thermoplastics containing brominated flame retardants Disassembled parts ...

Page 18: ...crewdriver 48 By means of the torx key unscrew the screw fixing the support key block over the MID to the operating mechanism 49 By means of the allen key unscrew the 2 screws fixing the support key block over the MID to the operating mechanism 50 Manually remove the support key block 51 Manually remove the key block holder located under the key block holder 2 5mm ...

Page 19: ... screws fixing the MID to the circuit breaker main structure 54 By means of the flat screwdriver remove the benzing mounted on the lever present on the right side of the operating mechanism 55 Manually remove the lever pulling it as indicated by the arrow 56 Manually remove the MID 57 Manually remove the auxiliary contacts lever mounted on the MID ...

Page 20: ...Metal 1 key lock holder Metal 1 shunt opening release plug Plastic 1 benzing Metal 1 lever Plastic 1 MID Plastic Metal and Electronic components SEPARATE TREATMENT Printed circuit board 1 auxiliary contacts lever Metal 1 wires cover Plastic SEPARATE TREATMENT Thermoplastics containing brominated flame retardants 1 wiring Plastic and Metal SEPARATE TREATMENT Thermoplastics containing brominated fla...

Page 21: ...2 By means of the flat screwdriver lift the lever mounted on the right side of the circuit breaker and remove it 61 By means of the flat screwdriver remove the cover cap on the left side of the circuit breaker 63 By means of the flat screwdriver remove the cover cap on the right side of the circuit breaker Tools Flat screwdriver Torx key Rod Ø 5mm Hammer Allen key Pliers 4mm No 6 No 15 No 20 No 25...

Page 22: ...w the 2 screws located on the left side of the operating mechanism 67 By means of the flat screwdriver push the shaft support as indicated by the arrow 68 By means of the allen key unscrew the 2 screws located on the right side of the operating mechanism 69 Manually remove the plate located in the place where the 2 screws had been unscrewed at step before ...

Page 23: ...nscrew the screw fixing the RTC lever to the operating mechanism 72 Manually remove the RTC lever 73 By means of the flat screwdriver push the shaft support as indicated by the arrow 74 Put the circuit breaker with the left side up and insert the rod in the hole left by the cover cap 75 Push down the rod using the hammer ...

Page 24: ...de of the circuit breaker and after remove the rod 77 Manually push the lever mounted on the bottom right part of the circuit breaker main structure 78 By means of the torx key size 6 unscrew the 9 screws fixing the 2 rear plates mounted on the back part of the circuit breaker 79 By means of the flat screwdriver remove the rear plate mounted on the upper part of the circuit breaker ...

Page 25: ...e lower part of the circuit breaker 81 By means of the torx key size 25 unscrew the 6 screws located in the back part of the circuit breaker 82 By means of the torx key size 20 unscrew the 6 screws located in the back part of the circuit breaker 83 Manually remove the upper case assembly ...

Page 26: ...stitutes a potential hazard if not performed in the proper way and using dedicated tools Based on this ABB indication is not to remove them from the operating mechanism and to manage the assembly with the maximum level of attention during disassembly and dismantle phases 86 Manually remove the 2 unlocking shafts mounted on the pin of the operating mechanism 87 By means of the flat screwdriver unho...

Page 27: ... remove the springs charging lever 89 By means of the flat screwdriver remove the pin mounted on the springs charging lever and the related benzing 90 Manually remove the spring located on the operating mechanism ...

Page 28: ...tes Plastic 1 upper case assembly Plastic and Metal 1 operating mechanism Plastic and Metal SEPARATE TREATMENT Thermoplastics containing brominated flame retardants 2 unlocking shafts Plastic SEPARATE TREATMENT Thermoplastics containing brominated flame retardants 1 springs charging lever Plastic and Metal SEPARATE TREATMENT Thermoplastics containing brominated flame retardants 1 1 benzings Metal ...

Page 29: ...unscrew the screw present on the upper fixed contact 92 By means of the allen key unscrew the 6 screws fixing the fixed contacts and make them fall down by gravity 94 By means of the cross screwdriver remove the washer from the upper fixed contact Tools Allen key Cross screwdriver 4mm 6 7 PHASE 7 UPPER CASE ASSEMBLY AND UPPER FIXED CONTACTSS Actions to be performed ...

Page 30: ...nually complete the removal operation 2 protections Plastic SEPARATE TREATMENT Thermoplastics containing brominated flame retardants 6 3 6 screws Metal 3 washers GP0 3 3 fixed contacts protections Plastic SEPARATE TREATMENT Thermoplastics containing brominated flame retardants 3 fixed contacts Plastic and Metal 1 upper case Plastic Disassembled parts ...

Page 31: ...rt removing the label located on the side of the lower case assembly and manually complete the removal 98 By means of the allen key unscrew the 6 screws located in the back part of the lower case assembly 97 Manually lift the lower case assembly and complete the removal 99 By means of the torx key unscrew the 6 screws fixing the fixed contacts to the lower case assembly and after manually complete...

Page 32: ...over mounted below the sensors as indicated by the arrow 102 By means of the flat screwdriver lift the moving contacts assembly until it s unhooked from the lower case 101 Manually remove the sensors 103 Manually remove the moving contacts assembly ...

Page 33: ...ers Metal 3 fixed contacts Metal 3 covers Plastic SEPARATE TREATMENT Thermoplastics containing brominated flame retardants 3 sensors Plastic and Mixture SEPARATE TREATMENT Thermoplastics containing bromintated flame retardants 1 moving contacts assembly Plastic and Metal 3 insulation protections Thermoplastic rubber SEPARATE TREATMENT Thermoplastics containing bromintated flame retardants 1 lower ...

Page 34: ...wdriver Cutter No 20 105 Manually remove the arching chambers 107 Manually complete the removal of the command protection 106 By means of the cross screwdriver unscrew the screw fixing the metallic command protection to the circuit breaker cover 108 By means of the torx key unscrew the 2 screws fixing the cover plug to the circuit breaker cover ...

Page 35: ...d on the side of the circuit breaker cover and manually complete the removal 110 By means the cutter lift the label located on the side of the circuit breaker cover and manually complete the removal 112 By means the cutter lift the label located on the side of the circuit breaker cover and manually complete the removal ...

Page 36: ...er remove the plug from the circuit breaker cover 3 arching chambers Plastic and Metal 1 2 screws Metal 1 metallic command protection Metal 1 cover plug Plastic 3 labels Adhesive paper 1 plug Plastic separate 1 circuit breaker cover Plastic Disassembled parts ...

Page 37: ...y instructionTMAX XT XT7M 7 ENERGY CONSUMPTION FOR CIRCUIT BREAKERS DISASSEMBLY Since all disassembly operations illustrated in this document are manual the CO2 equivalent emissions can be considered null negligible ...

Page 38: ...38 INSTRUCTION HANDBOOK ...

Page 39: ...39 Disassembly instructionTMAX XT XT7M ...

Page 40: ... Copyright 2022 ABB All rights reserved Specifications subject to change without notice ABB SACE A division of ABB S p A L V Breakers Via Pescaria 5 24123 Bergamo Italy Phone 39 035 395 111 Fax 39 035 395 306 433 abb it lowvoltage ...

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