Maintenance
Intervention on the operating mechanism
P51--3001EN/03
1/10
09--2011
© ALSTOM 2010. All rights reserved. Information contained in this document is indicative only. No representation or warranty is given or should be
relied on that it is complete or correct or will apply to any particular project. This will depend on the technical and commercial circumstances. It is
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GRID
Presentation
Warning
BEFORE ANY INTERVENTION ON THE OPERATING MECHANISM,
MAKE SURE THE CIRCUIT--BREAKER IS OPEN AND THE STATUS OF
THE OPERATING MECHANISM INDICATOR IS AS SHOWN BELOW.
Circuit--breaker
Open
Closing spring
Unarmed
NEVER HANDLE AN OPERATING MECHANISM THAT IS NOT CONNEC-
TED TO THE CIRCUIT BREAKER.
In this module
This module covers the following subjects:
Subject Page
Position indicator statuses 2
Safety measures 3
Preparing the operating mechanism 4
Replacing a closing or opening electro--magnet 5
Return to operation 6
General 8
Cleaning the inspection windows 9
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