Siemens S120 Manual page 467

Preparatory steps
● Disconnect the drive line-up.
● Make sure the power block is accessible.
● Remove the front cover.
Removal
The steps for the removal procedure are numbered in accordance with the previous diagram.
1. Unscrew the connection of the motor outgoing feeder (3 screws).
2. Unscrew the connection for the infeed (3 screws).
3. Remove the retaining screws at the top (2 screws).
4. Remove the retaining screws at the bottom (2 screws).
5. Remove the retaining nuts of the supporting plate for the Control Unit and remove the
6. Remove DRIVE-CLiQ cables and connections at –X41/–X42/–X46 (6 connectors).
7. Take out the retaining screws for the IPD card (2 screws) and remove the IPD card from
8. Disconnect the plug-in connections of the fiber-optic cables and the signal cables (5
9. Remove the retaining screws of the withdrawable electronic unit (2 screws) and carefully
10.Unscrew the 2 retaining screws for the fan and attach the mounting device for the power
You can now remove the Powerblock.
NOTICE
Damage to signal cables while removing the power block
The power block might damage signal cables when it is removed.
• Remember that the power block weighs approximately 70 kg.
AC Drive
Manual, (GH6), 04/2014, 6SL3097-4AL00-0BP4
supporting plate (3 nuts).
The DRIVE-CLiQ cables should be marked to ensure that they are subsequently correctly
inserted.
-X45 connector on the Control Interface Module.
connectors).
remove the electronic unit.
When removing the plug-in module, 5 additional connectors (2 at the top, 3 at the bottom)
must be removed one after the other.
block at this position.
11.3 Service and maintenance for Chassis format components
Service and maintenance
467