ABB TMAX XT XT2 THERMOMAGNETIC Disassembly Instructions Manual Download Page 21 | Manualshive

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Disassembly instruction tmaX Xt Xt2 tHermomaGnetic

Disassembled parts

• 3 screws (Metal)
• 3 thermal/magnetic groups (Plastic and Metal)

6.12 PHASE 12 – THERMAL/MAGNETIC GROUPS

Actions to be performed

51

By means of the cross screwdriver unscrew the

3 screws located in the back part of the trip

unit.

52

Manually lift the thermal/magnetic groups.

Tools

Cross screwdriver

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Summary of Contents for TMAX XT XT2 THERMOMAGNETIC

Page 1: ... INSTRUCTION HANDBOOK 1SDH002292A1001 ECN000285442 TMAX XT XT2 THERMOMAGNETIC Disassembly instructions ...

Page 2: ......

Page 3: ... be worn 2 SAFETY NOTES 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...

Page 4: ...on trip unit front 1 Lever In the trip unit 1 Shaft In the trip unit 1 Magnetic shaft In the trip unit 1 6 DISASSEMBLY PROCESS Circuit breakers disassembly process is constituted by a sequence of operations to be performed on products after their dismounting from original installation For each phase following information is provided Part parts to be disassembled title of the phase Tools to be used...

Page 5: ...Plastic and Metal SEPARATE TREATMENT Thermoplastics containing brominated flame retardants 6 1 PHASE 1 CAP KITS 1 By means of the allen key remove the screws connected with the cap kits 2 Insert the flat screwdriver as shown in the picture and push it up in order to remove the cap kits Actions to be performed Disassembled parts 5mm ...

Page 6: ...ttle bit the breaking part frontal and complete the removal pulling the breaking part frontal as indicated by the arrow 6 By means of the flat screwdriver push up the reset test rod and manually remove the reset test rod 4 By means of the cross screwdriver push the trip test button Actions to be performed Disassembled parts 2 screws Metal 1 breaking part frontal Plastic 1 rest test rod Plastic Fla...

Page 7: ...ERMOMAGNETIC 6 3 PHASE 3 TOGGLE AND ITS PROTECTION 7 Manually lift the toggle and its protection and after separate the toggle from its protection Actions to be performed Disassembled parts 1 toggle Plastic 1 toggle protection Plastic 7 Tools ...

Page 8: ...nually disassemble the transparent protection from the trip unit frontal 11 Manually slightly pull the trip unit as indicated by the arrow and after lift the trip unit in order to complete the removal Actions to be performed Tools Cross screwdriver Torx key No 15 Disassembled parts 2 screws Metal 1 trip unit frontal Plastic 1 trip unit transparent protection Plastic 1 trip unit Plastic Metal and R...

Page 9: ...ans of the flat screwdriver lift the plug located in the left hole of the breaking part and after manually complete the removal of the plug 15 By means of the flat screwdriver lift the white plastic lever located in the upper part of the breaking part and after manually complete the removal of the white plastic lever Actions to be performed Flat screwdriver Disassembled parts 5 cases for microswit...

Page 10: ...COVER 16 By means of the cross screwdriver unscrew the 2 screws fixing the rear cover to the breaking part 17 Manually remove the rear cover Actions to be performed Disassembled parts 2 screws Metal 1 rear cover Plastic Cross screwdriver Tools ...

Page 11: ...By means of the torx key size 20 unscrew the 4 screws located in the back part of the breaking part 19 By means of the torx key size 8 unscrew the 4 screws located at the corners of the breaking part cover 21 Manually lift the operating mechanism and after manually complete removal operation 20 By means of the flat screwdriver unhook the 2 springs mounted on the operating mechanism ...

Page 12: ...ing shaft from the operating mechanism pulling it as indicated by the arrow Disassembled parts 4 4 screws Metal 1 operating mechanism Plastic and Metal 1 2 springs Metal 1 tripping shaft Plastic SEPARATE TREATMENT Thermoplastics containing brominated flame retardants 1 plate Metal 1 pin Metal 25 By means of the flat screwdriver and by means of the pliers dismount the pin and remove the pin and the...

Page 13: ... operator lever located between the hole previously hosting the operating mechanism and the left hole and after manually remove the motor operator lever 27 By means of the flat screwdriver push down the block lever located between the hole previously hosting the operating mechanism and the right hole and after manually remove the block lever 29 By means of the pliers remove the hood mounted on the...

Page 14: ... cross screwdriver unscrew the 3 screws located in the bottom part of the breaking part the terminals connections between the breaking part and the trip unit will fall from the breaking part by gravity 31 By means of the flat screwdriver remove the 3 plugs located in the bottom part of the breaking part 33 Manually separate the plastic part from the metal parts constituting the terminals connectio...

Page 15: ...cover Plastic 1 block lever Metal 1 motor operator lever Metal 1 hood Rubber 1 trip lever Plastic SEPARATE TREATMENT Thermoplastics containing brominated flame retardants 3 plugs Rubber 3 screws Metal 3 plastic parts constituting terminals connections Plastic 3 3 metal parts constituting terminals connections Metal 1 open close lever Plastic SEPARATE TREATMENT Thermoplastics containing brominated ...

Page 16: ...r manually complete the removal of the arching chambers 36 Manually remove the arching chambers from the lower moving contacts 38 By means of the flat screwdriver push the plates mounted inside the arching chambers out of the arching chambers Disassembled parts 6 9 PHASE 9 MOVING CONTACTS AND ARCHING CHAMBERS Actions to be performed Tools Flat screwdriver 1 moving contacts assembly Plastic and Met...

Page 17: ...f the cross screwdriver unscrew the 3 screws located in the back part of the breaking part base 41 Manually push the fixed contacts as indicated by the arrow 40 By means of the cross screwdriver unscrew other the 3 screws located in the back part of the breaking part base 42 Manually separate the plastic part from the metal part constituting the fixed contacts ...

Page 18: ...emove the metal plate mounted on the the plastic part constituting the fixed contacts Disassembled parts 1 breaking part base Plastic 3 3 screws Metal 3 plastic parts costituting fixed contacts Plastic 3 metal parts costituting fixed contacts Metal 3 plates Metal ...

Page 19: ...rip unit 46 Manually push the 3 I3 assemblies as indicated by the arrow 45 By means of the torx key unscrew the 4 screws fixing the trip unit cover to the trip unit 47 By means of the pliers remove the spring mounted on the I3 assembly 48 Manually separate the I3 support and the I3 group 49 Manually remove the 3 screws located on the top of the trip unit Tools Flat screwdriver Pliers Torx key No 8...

Page 20: ... means of the flat screwdriver lift the top cover of the trip unit and manually complete the removal Disassembled parts 3 4 3 screws Metal 3 springs Metal 3 I3 groups Metal 3 I3 supports Plastic 1 trip unit cover Plastic and Metal ...

Page 21: ...s Metal 3 thermal magnetic groups Plastic and Metal 6 12 PHASE 12 THERMAL MAGNETIC GROUPS Actions to be performed 51 By means of the cross screwdriver unscrew the 3 screws located in the back part of the trip unit 52 Manually lift the thermal magnetic groups Tools Cross screwdriver ...

Page 22: ...ip unit front 57 By means of the flat screwdriver lift the moving armatures located in each pole and after manually complete the removal of the moving armatures 54 By gravity let the rod present in the thermal shaft come out 56 By means of the pliers unhook the 3 springs located in the poles 58 By means of the flat screw driver push the pin mounted in the side between the central and the right pol...

Page 23: ... and the right pole and its plug 63 By means of the torx key unscrew the 2 screws fixing the plastic supports and the shaft to the trip unit base 60 Manually remove the plastic lever located between the central and the right pole 62 By means of the pliers remove the spring located between the left and the central pole 64 Manually lift the plastic supports and the shaft ...

Page 24: ... of the flat screw driver lift the magnetic shaft 69 By means of the pliers remove the spring mounted on the trip unit base 66 By gravity let the screws fall from the plastic supports 68 By means of the pliers remove the 3 springs 70 By means of the pliers remove the test button mounted on the trip unit base ...

Page 25: ...hermoplastics containing brominated flame retardants 1 shaft Plastic SEPARATE TREATMENT Thermoplastics containing brominated flame retardants 2 supports Plastic 2 screws Metal 1 magnetic shaft Plastic SEPARATE TREATMENT Thermoplastics containing brominated flame retardants 1 test button Plastic 1 trip unit base Plastic 7 ENERGY CONSUMPTION FOR CIRCUIT BREAKERS DISASSEMBLY Since all disassembly ope...

Page 26: ...26 INSTRUCTION HANDBOOK ...

Page 27: ...27 Disassembly instruction TMAX XT XT2 THERMOMAGNETIC ...

Page 28: ... 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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