Maintenance
Replacing the FK3--07 operating mechanism
P51--8001EN/02
1/10
01--2011
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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
Lifting means
Provide an adequate means of hoisting (60 daN).
Tools required
List of ALSTOM Grid tools required to remove the operating mechanism:
Mark Illustration Description Quantity
(1) Hoisting strap 1
(4)
HOLDING
TOOL
1
Steps for
replacement
The operating mechanism is replaced in several steps:
Step Subject Page
A Safety measures 2
B Deflating the pole 4
C Maintaining the pole coupling sleeve 5
D Disconnecting the low voltage cables 6
E Removing the operating mechanism 7
F Mounting the new operating mechanism 8
G Reinflating the pole 9
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