ABB Sace Tmax XT XT5 THERMOMAGNETIC Disassembly Instructions Manual Download Page 4 | Manualshive

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ABB Sace Tmax XT XT5 THERMOMAGNETIC Disassembly Instructions Manual Download Page 4

4

INSTRUCTION HANDBOOK

If disassembled parts require a separate treatment a specific indication is provided inside each phase
with reason why for the separate treatment (see Chapter 6).

Description

Position inside circuit breaker

Quantity

Cap kits

In correspondence of circuit breaker connection terminals

6

UVR rod

Mounted on the breaking part cover

1

Test lever

Mounted on the breaking part cover

1

Left hand lever adapter

Mounted on the breaking part cover

1

RC lever release

Mounted on the breaking part cover

1

RC lever support

Mounted on the breaking part cover

1

Right hand open/close AUX adapter

Mounted on the breaking part cover

1

Toggle extention

Mounted on the toggle

1

Toggle protection

Mounted on the toggle

1

Operating mechanism

Mounted on the central pole

1

Plugs

Mounted on the trip unit

3

Trimmers

Mounted on the trip unit

2

Tripping rod

Mounted on the trip unit

1

Rod

Mounted on 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 are
provided:

•  Part/parts to be disassembled (title of the phase)
•  Tools to be used
•  Description of actions to be performed
•  Pictures showing actions to be performed
•  List, quantity and picture of disassembled parts with an indication about separate treatment (when

applicable)

• In case of potential hazards signal below is reported

5. SEPARATE TREATMENT

Table below lists parts requiring a separate treatment adding information about part location inside
circuit breakers and related quantity.

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Summary of Contents for Sace Tmax XT XT5 THERMOMAGNETIC

Page 1: ... INSTRUCTION HANDBOOK 1SDH002297A1001 ECN000285442 TMAX XT XT5 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 the toggle 1 Operating mechanism Mounted on the central pole 1 Plugs Mounted on the trip unit 3 Trimmers Mounted on the trip unit 2 Tripping rod Mounted on the trip unit 1 Rod Mounted on 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 pha...

Page 5: ...3 Manually separate the cap kits and their nuts from circuit breaker main structure 2 Insert the flat screwdriver as shown in Picture 2 and unhook the cap kits from circuit breaker main structure Actions to be performed 8mm Disassembled parts 6 screws and related washers Metal 6 nuts Metal 6 cap kits Plastic SEPARATE TREATMENT Thermoplastics containing brominated flame retardants ...

Page 6: ...anually remove the aesthetic front cover 7 By means of the cross screwdriver unscrew the 4 screws fixing the front cover to the circuit breaker main structure 5 Insert the flat screwdriver as shown in the picture and slightly push the screwdriver as shown by the arrow in order to raise up and to unhook the aesthetic front cover from circuit breaker main structure Actions to be performed Flat screw...

Page 7: ...7 Disassembly instruction TMAX XT XT5 THERMOMAGNETIC 8 Manually remove the front cover 1 aesthetic front cover Plastic 4 screws Metal 1 front cover Plastic Disassembled parts ...

Page 8: ...rip unit from the breaking part 10 By means of the allen key unscrew the 4 screws located in the bottom part of the circuit breaker fixing the trip unit to the breaking part Actions to be performed Tools Disassembled parts 4 screws Metal 1 trip unit Plastic and Metal Allen key 3mm Torx key No 30 Trip unit will be furtherly disassembled see Phases 6 7 and 6 8 ...

Page 9: ...ly complete the operation 14 Manually remove the breaking part cover from the breaking part main structure 13 By means of the cross screwdriver unscrew the 8 screws fixing the breaking part cover to breaking part main structure 15 By means of the pliers remove the 2 nuts mounted on the breaking part cover Actions to be performed Tools Cross screwdriver Pliers Flat screwdriver Cutter ...

Page 10: ...urn the test lever until it comes out from its housing 19 Manually remove the trip test button and separate the spring from test lever 16 By means of the pliers remove the UVR rod mounted on the breaking part cover 17 Manually separate the spring from the UVR rod ...

Page 11: ...located on the left part of the breaking part 22 By means of the flat screwdriver push the pin as indicated by the arrow and after manually remove the pin 21 Manually separate the S52 lever and the spring from the lever SX assembly 23 Manually separate the left open close lever the spring and the left hand lever adapter ...

Page 12: ... the right part of the breaking part 27 Manually separate the MOE rod indicator and the related spring from the lever DX assembly 24 By means of the pliers remove the benzing mounted on the RC group release 25 Manually separate the pin RC lever release and the RC lever support ...

Page 13: ...SEPARATE TREATMENT Thermoplastics containing brominated flame retardants 1 S52 lever Metal 1 1 1 pins Metal 1 left open close lever Plastic 1 left hand lever adapter Plastic SEPARATE TREATMENT Thermoplastics containing brominated flame retardants 1 benzing Metal 1 RC lever release Plastic SEPARATE TREATMENT Thermoplastics containing brominated flame retardants 1 RC lever support Plastic SEPARATE T...

Page 14: ...ey unscrew the 5 screws keeping connected the poles of the breaking part 32 Manually separate the poles 31 Manually remove the 5 screws and the related inserts 33 Manually remove the 2 pins and the 2 signalling devices from the central pole Actions to be performed Cross screwdriver Torx key No 20 Tools ...

Page 15: ...Disassembled parts 5 1 screws Metal 5 inserts Metal 2 pins Metal 2 signalling devices Plastic 1 toggle extension Plastic and Rubber SEPARATE TREATMENT Thermoplastics containing brominated flame retardants 1 toggle protection Plastic SEPARATE TREATMENT Thermoplastics containing brominated flame retardants 1 operating mechanism Plastic and Metal SEPARATE TREATMENT Thermoplastics containing brominate...

Page 16: ... remove the silicone sheath located in the bottom part of the pole 38 By gravity let the pin fall down from the pole 40 By means of the pliers remove the nut located in the bottom part of the pole Actions to be performed Cross screwdriver Torx key No 20 Pliers Flat screwdriver Tools Applicable to lateral poles only ...

Page 17: ...lete the removal operation 43 By means of the torx key unscrew the 3 screws located on the side of the pole 45 Manually separate the let and the right shells 42 By means of the cross screwdriver unscrew the 2 screws located in the rear part of the pole 44 Manually remove the 3 screws and the related short screws 46 Manually remove the terminal protection ...

Page 18: ...of the flat screwdriver remove the arc quenching from the fixed contacts 51 By means of the flat screwdriver push the 2 pins as indicated by the arrovw 48 Manually remove upper and lower fixed contacts 50 Manually remove the moving contact assembly 52 Manually remove the 2 pins ...

Page 19: ...e sheath Silicone 3 rear protection Plastic 6 9 screws Metal 9 short screws Metal 3 left shells Plastic 3 right shells Plastic 3 terminal protections Plastic 6 arching chambers Metal and GP0 3 6 fixed contacts Metal 6 arc quenchings Vulcanized fiber 6 pins Metal 3 moving contacts Metal 3 shafts Plastic Disassembly operations illustrated at pictures from 37 to 53 must be performed on the other 2 po...

Page 20: ... the trip unit frontal to the trip unit main structure 55 By means of the cutter start removing the label located on the trip unit frontal and manually complete the operation 57 Manually remove the trip unit frontal Actions to be performed Cutter Tools Disassembled parts 1 trip unit transparent protection Plastic 1 label Adhesive paper 2 screws Metal 1 trip unit frontal Plastic Cross screwdriver ...

Page 21: ...ain structure 60 Manually remove the trip unit cover 61 By means of the cross screwdriver unscrew the 3 screws located on the trip unit cover 59 By means of the torx key unscrew the screw located on the front of the trip unit main struc ture fixing the trip unit cover to the trip unit main structure Actions to be performed Torx key No 8 Tools Cross screwdriver Pliers Flat screwdriver ...

Page 22: ...ews located behind the plugs removed at previous step 65 Manually remove the 3 thermal groups and the 3 spacers 62 By gravity let the 3 fixed cores separate from the trip unit cover 63 By means of the flat screwdriver remove the 3 plugs located in the rear part of the trip unit ...

Page 23: ... pliers remove the spring mounted in the trip unit 68 Manually remove the tripping rod located in the front right part of the trip unit and the spring connected with the tripping rod 67 Manually remove the 2 trimmers 69 By means of the cross screwdriver unscrew the screws mounted on the magnetic groups ...

Page 24: ... of the magnetic groups 72 Manually remove the 3 magnetic groups from the trip unit 71 By means of the cross screwdriver unscrew the screws mounted on the magnetic groups 73 By gravity let the magnetic slide and the rod separate from the trip unit case ...

Page 25: ...rdants 3 thermal groups Metal 3 spacers Plastic 1 shaft Plastic 1 1 springs Metal 2 trimmers Plastic SEPARATE TREATMENT Thermoplastics containing brominated flame retardants 1 tripping rod Plastic SEPARATE TREATMENT Thermoplastics containing brominated flame retardants 3 metal groups Metal 1 magnetic slide Plastic 1 rod Plastic SEPARATE TREATMENT Thermoplastics containing brominated flame retardan...

Page 26: ...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 27: ...27 Disassembly instruction TMAX XT XT5 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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