Siemens SINAMICS DCM Operating Instructions Manual page 518

Maintenance
11.2 Replacing components
Replacing fans in 1,200 A units
Remove the front cover and cover at the top of the SINAMICS DC MASTER.

Disconnect the fan connector

③
Release the nuts .

Lift out the fan together with the fan stay.

Install the new fan in the inverse sequence

Tightening torque for the nuts
Figure 11-6 Replacing fans in 1,200 A units
516
①
and fan monitoring equipment
③
= 15 Nm
②
.
Operating Instructions, 1.2012, C98130-A7066-A1-05-7619
SINAMICS DCM DC Converter