Siemens SINAMICS S120 Equipment Manual page 484

Maintenance and Servicing
11.4 Replacing components
Installation steps
NOTICE
Checking the contacts of the new fan assembly to ensure that they are not damaged
A damaged plug connector of the new fan assembly can damage the mating contacts when
inserting the assembly into the housing.
• Before inserting the new fan assembly, check that the plug connections are not
Note
Sealing surface at the upper side of the new fan assembly
When mounting, ensure that the seal on the upper side of the new fan assembly is in a good
condition.
To reinstall, perform the above steps in reverse order. The power supply automatically
engages when inserting.
The tightening torque of the retaining screws for the fan assembly is 10 Nm.
482
damaged.
Air-cooled chassis power units
Manual, 07/2019, 6SL3097-4AE00-0BP9