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
To Next Page
Loading...
