ABB TMAX XT XT7 Disassembly Instructions Manual Download | Manualshive

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INSTRUCTION HANDBOOK

71

Manually open the circuit breaker.

72

Manually close the circuit breaker.

73

By means of the allen key unscrew the 2 screws
located on the left side of the operating
mechanism.

74

By means of the flat screwdriver push the shaft
support as indicated by the arrow.

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Summary of Contents for TMAX XT XT7

Page 1: ... INSTRUCTION HANDBOOK 1SDH002301A1001 ECN000285442 TMAX XT XT7 Disassembly instructions ...

Page 2: ......

Page 3: ...TES Before proceeding with any disassembly operation it s mandatory to put the circuit breaker in open position 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 electricity can create and having a detail...

Page 4: ... 1 MID Mounted on the right part of the circuit breaker 1 SY lever Mounted on the MID 1 Wires cover Mounted on the left part of the circuit breaker 1 Wiring Mounted on the left part of the circuit breaker 1 Operating mechanism Mounted on the center of the circuit breaker 1 Unlocking shaft appendices Mounted on the pin of the operating mechanism 2 Lever extension Mounted on the front toggle 1 Prote...

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: ...y means of the cross screwdriver push the trip test button 7 Manually close the circuit breaker pushing the toggle in the direction indicated by the arrow 9 By means of the cross screwdriver unscrew the 2 screws located in the lower part of the circuit breaker fixing the circuit breaker front cover to the circuit breaker main structure Actions to be performed Tools Torx key No 8 Cross screwdriver ...

Page 8: ...s to the circuit breaker front cover 11 By means of the pliers remove the trip test button 15 By means of the cross screwdriver unscrew the 2 screws located in the upper part of the operating mechanism front cover fixing the operating mechanism cover to the circuit breaker main structure 13 Manually remove the upper keylock cap 14 Manually remove the lower keylock cap ...

Page 9: ...ism front cover fixing the operating mechanism cover to the circuit breaker main structure 17 Manually lift the operating mechanism cover 1 trip unit transparent protection Plastic 2 4 2 2 screws Metal 1 circuit breaker front cover Plastic 1 trip test button Plastic 2 keylock caps Plastic 1 operating mechanism cover Plastic Disassembled parts ...

Page 10: ...ews fixing the support to the circuit breaker main structure 20 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 19 Manually remove the support 21 By means of the torx key size 20 unscrew the 2 screws located over the trip unit fixing the trip unit to the circuit breaker main structure ...

Page 11: ...ating plug printed circuit board mounted inside the rating plug let fall by gravity 23 By means of the flat screwdriver disconnect the connector from the trip unit and after manually complete the removal of the trip unit 25 By means of the flat screwdriver open the rating plug 27 By means of the cutter start removing the label located on the front of the rating plug case and manually complete the ...

Page 12: ...r 32 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 29 By means of the torx key size 8 unscrew the 2 screws fixing the backplane to the trip unit and after manually remove the backplane 31 By means of the flat screwdriver separate the trip unit case from the trip unit back cover 33 Manually...

Page 13: ...cuit board Plastic 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...

Page 14: ... breaker main structure 37 By means of the cross screw driver unscrew the 2 screws fixing the left MID cover to left MID main structure 36 Manually remove the left MID 38 Manually remove the cover left MID cover 39 By means of the torx key unscrew the 2 screws fixing the left base group to the circuit breaker operating mechanism 40 By means of the cross screw driver unscrew the 2 screws fixing the...

Page 15: ...icated by the arrow and after complete the removal 43 Manually remove the guide plate pin 42 By means of the cross screwdriver unscrew the screw fixing the guide plate pin to the left base group 44 Manually remove the block lever 45 Manually remove the pin 46 Manually remove the pin ...

Page 16: ... 51 By means of the cross screwdriver unscrew the screw fixing the lower plate to the trip coil 52 Manually push the lower plate in order to complete the removal 48 By means of the cross screwdriver unscrew the 3 screws fixing the trip coil group to the circuit breaker main structure 50 Manually remove the trip coil group pulling it in the direction indicated by the arrow ...

Page 17: ...ts SEPARATE TREATMENT Printed circuit board 1 left base Plastic SEPARATE TREATMENT Thermoplastics containing brominated flame retardants 1 guide plate pin Metal 1 lower plate Metal 1 block lever Plastic SEPARATE TREATMENT Thermoplastics containing brominated flame retardants 1 1 pins Metal 1 spring Metal 1 trip coil Plastic Metal and Magnets SEPARATE TREATMENT Magnets 1 trip coil group Plastic and...

Page 18: ...up to the operating mechanism 56 By means of the cross screwdriver unscrew the 2 screws located in the lower part of the MID 55 By means of the cross screwdriver unscrew the screw located in the upper part of the MID 57 By means of the allen key unscrew the 2 screws fixing the trip test group to the MID 58 Manually complete the removal of the trip test group 59 By means of the flat screwdriver pus...

Page 19: ...the cross screwdriver unscrew the screw fixing the MID to the circuit breaker main structure 63 Manually remove the auxiliary contacts lever mounted on the MID 64 Manually remove the SY lever mounted on the left side of the operating mechanism 65 By means of the cross screwdriver unscrew the screw fixing the wires cover to the circuit breaker main structure ...

Page 20: ... plug Plastic 1 MID Plastic Metal and Electronic components SEPARATE TREATMENT Printed circuit board 1 auxiliary contacts lever Metal 1 SY lever Plastic SEPARATE TREATMENT Thermoplastics containing brominated flame retardants 1 wires cover Plastic SEPARATE TREATMENT Thermoplastics containing brominated flame retardants 1 wiring Plastic and Metal SEPARATE TREATMENT Thermoplastics containing bromina...

Page 21: ...ns of the flat screwdriver lift the lever mounted on the left side of the circuit breaker and remove it 69 By means of the flat screwdriver lift the lever mounted on the right side of the circuit breaker and remove it 68 By means of the flat screwdriver remove the cover cap on the left side of the circuit breaker 70 By means of the flat screwdriver remove the cover cap on the right side of the cir...

Page 22: ...he circuit breaker 72 Manually close the circuit breaker 73 By means of the allen key unscrew the 2 screws located on the left side of the operating mechanism 74 By means of the flat screwdriver push the shaft support as indicated by the arrow ...

Page 23: ...screws located on the right side of the operating mechanism 77 Put the circuit breaker with the left side up and insert the rod in the hole left by the cover cap 78 Push down the rod using the hammer 76 By means of the flat screwdriver push the shaft support as indicated by the arrow ...

Page 24: ... breaker and after remove the rod 81 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 80 Manually push the lever mounted on the right side of the operating mechanism in order to put the circuit breaker in trip position 82 By means of the flat screwdriver remove the rear plate mounted on the upper part of the circuit break...

Page 25: ...e lower part of the circuit breaker 84 By means of the torx key size 25 unscrew the 6 screws located in the back part of the circuit breaker 85 By means of the torx key size 20 unscrew the 6 screws located in the back part of the circuit breaker 86 Manually remove the upper case assembly ...

Page 26: ...appendices mounted on the pin of the operating mechanism 88 Manually lift the operating mechanism and remove it from circuit breaker main structure Operating mechanism contains springs their removal constitutes 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 wi...

Page 27: ...Plastic and Metal SEPARATE TREATMENT Thermoplastics containing brominated flame retardants 2 unlocking shaft appendices Plastic SEPARATE TREATMENT Thermoplastics containing brominated flame retardants 1 lever extension Plastic SEPARATE TREATMENT Thermoplastics containing brominated flame retardants Disassembled parts Upper case assembly will be furtherly disassembled see phase 6 7 91 Manually remo...

Page 28: ...ove the 2 protections located in the upper part of the upper case assembly 94 By means of the cross screwdriver unscrew the screw present on the upper fixed contact 93 By means of the allen key unscrew the 6 screws fixing the fixed contacts and make them fall down by gravity 95 By means of the cross screwdriver remove the washer from the upper fixed contact ...

Page 29: ...hers 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 96 By means of the cross screwdriver unscrew the 2 screws fixing the fixed contact protection to the upper fixed contact and manually complete the removal operation ...

Page 30: ... and manually complete the removal 99 By means of the allen key unscrew the 6 screws located in the back part of the lower case assembly 98 Manually lift the lower case assembly and complete the removal 100 By means of the torx key unscrew the 6 screws fixing the fixed contacts to the lower case assembly and after manually complete the removal operation 101 Manually push the cover mounted below th...

Page 31: ...ontaining bromintated flame retardants 1 moving contacts assembly Plastic and Metal 3 insulation protections Thermoplastic Rubber SEPARATE TREATMENT Thermoplastics containing bromintated flame retardants 1 lower case Plastic 103 By means of the flat screwdriver lift the moving contacts assembly until it s unhooked from the lower case 104 Manually remove the moving contacts assembly 105 By means of...

Page 32: ...bers 108 By means the cutter lift the label located on the side of the circuit breaker cover and manually complete the removal 107 By means the cutter lift the label located on the side of the circuit breaker cover and manually complete the removal 109 By means the cutter lift the label located on the side of the circuit breaker cover and manually complete the removal ...

Page 33: ... XT XT7 3 arching chambers Plastic and Metal 3 labels Adhesive paper 1 plug Plastic 1 circuit breaker cover Plastic Disassembled parts 110 By means of the flat screwdriver remove the plug from the circuit breaker cover base structure ...

Page 34: ...TRUCTION HANDBOOK 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 35: ...35 Disassembly instruction TMAX XT XT7 ...

Page 36: ... 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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