04.05
7 - Maintenance
Siemens AG 7VV3003-8TA74
ENGLISH 27
SICROWBAR 7VV3003 DC-Surge Suppressor Operating Instructions
The times specified below can be used as a guide for replacing a device or components and apply under the
following conditions:
•
The replacement device(s) or part(s) are available on site
•
Specialist personnel are available on site
•
Ambient conditions are appropriate for carrying out the required work
To be replaced
MTTR
Prerequisite
SICROWBAR device
50 min
PCB ignition module C98043-A7061-L*
15 min
Device remains installed
PCB voltage sensing module 449404.9210.50
30 min
Device remains installed
PCB high-speed de-excitation option C98043-A7060-L1
15 min
Device remains installed
PCB = Printed Circuit Board
MTTR = Mean Time To Restoration
1) Unplug cable connections
2) Unscrew 2x M4 screw and 2x
hexagonal spacer
3) Replace board
Fig. 10 Replace ignition module
Содержание 7VV3003-5AG32
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