ABB TMAX XT XT7M, Инструкция по разборке

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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
Lever In the T.U. reset group 1
Lever support In the T.U. reset group 1
Support Mounted on the upper part of the circuit breaker 1
Cables protection Mounted on the back part of the trip unit 1
Rating plug case Mounted on the front of the trip unit 1
Rating plug printed circuit board
In the rating plug case 1
Backplane Mounted on the back part of the trip unit 1
Trip unit case
On the trip unit 1
Trip unit back cover On the trip unit 1
Trip unit printed circuit board
In the trip unit 1
Motor PCS support Mounted on the left part of the circuit breaker 1
Trip coil In the trip coil group 1
Trip coil group Mounted on the left part of the circuit breaker 1
MID Mounted on the right part of the circuit breaker 1
Wires cover Mounted on the left part of the circuit breaker 1
Wiring 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 contacts protections Mounted on the fixed contacts 3
Covers
Below the sensors 3
Sensors In the bottom part of the circuit breaker 3
Insulation protections On the moving contacts assembly 3
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.