Bticino Megabreak T803LE1250, Руководство по обслуживанию

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Megabreak® - Maintenance guide
M
ain
tenanc
e guide
41
2. Frequency of
maintenance
Check
Frequency-time Frequency-cycles
Procedure
1 year 2 years at In Without
current
Mechanism
MCH
• Correct working and lubricating
•
5000 5000 MCH-I
• Check the seals
•
5000 5000
MCH-II
• Check the position
•
5000 5000 MCH-III
Anti-shock opening spring
•
5000 5000 SCK
Arc chutes
•
1000 -
CTS
Main contacts MNC
• Visual
•
1000 5000 MNC-I
• sequence
•
1000 5000
MNC-II
Draw-out system * DWT
• Check the correct working
•
5000 5000
DWT-I
• Insulation shutter
•
5000 5000 DWT-II
• Cluster contacts
•
5000 5000 DWT-III
• Sliding aux contacts
•
5000 5000
DWT-IV
• Lubrication of draw-out chassis
•
5000 5000 DWT-V
• Draw-out mechanism
•
5000 5000
DWT-VI
Terminals
•
5000 5000 TRM
Auxiliary AXL
• Visual check
•
5000 5000
AXL-I
• Functional Test:
•
5000 5000 AXL-II
Motor drive CC ST UVR ECSR
• Functional test
•
5000 5000
ECSR-I
• Lubricating of motor gear
•
5000 5000 ECSR-II
Mechanical Accessories MCSR
• Open position lock
•
- - MCSR-I
• Draw-out shutter lock
•
- - MCSR-II
Mechanical interlock
•
100 100
NTK
Trip Unit
•
- - PRT
Level 1 Maintenance
Maintenance intended to be used by trained and qualified customer technicians who are familiar with
safety standards requirements for circuit breaker and distribution system. These level 1 procedures
are explained in this maintenance guide
* must be checked after 200 “draw-out/draw-in” cycles
Level 1 Maintenance - Explained in this maintenance guide
Whenever the product is used / installed in different condition than IEC standard, it is recommended
to plan a periodical maintenance according with this guide, in order to:
- Check the efficiency of product
- Identify parts / accessories damaged
- Prevent emergency
It is recommend to record the maintenance activity done on every breaker
In the following tables are summarized the level 1 and level 2 maintenance and respective frequency.
Level 1 can be performed by trained customer technicians and is completely explained in this main-
tenance guide
Level 2 is not object of this maintenance guide and to perform this maintenance level is necessary to
contact BTicino service.