Disassembly Process - ABB EMAX 2 E6.2 Instruction Handbook Manual

Disassembly instruction emaX 2 e6.2
Description
Trip coil cover
Trip coil
Flat cover
Auxiliary flat assembly
RTC micro lever
MID main structure
Springs charging lever
Operating mechanism
Auxiliary contacts cam
Cam
Lever
Measuring module connector
Protections
Spacers
Arc quenchings
Spacers
Sensors plugs
Sensors
Cables
Insulating protection
Insulation protection
Contacts spacer
*For circuit breakers in UL version characterized by a current rating up to 5000A
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).

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
Position inside circuit breaker
Mounted in the MID
Mounted in the MID
Mounted on the MID
Mounted on the MID
Mounted in the MID
Mounted in the MID
Mounted on the operating mechanism
Mounted on the center of the circuit breaker
Mounted on operating shaft assembly
Mounted on operating shaft assembly
Mounted on operating shaft assembly
Mounted behind the trip unit and connected with poles
Mounted in correspondence of rear terminals
Mounted in correspondence of rear terminals
Mounted in arcing chambers
Mounted in arcing chambers
Mounted in poles
Mounted in poles
Mounted in poles
Mounted in poles
Mounted in poles
Mounted in poles
5
Quantity
1
1
1
1
1
1
1
1
1
1
1
1
12
60*
12
6
6
6
6
6
6
6