Replacing The Filter Mats; Servicing; Replacing The Fan - Siemens SINAMICS G150 Operating Manual

11/03
11.2.2

Replacing the Filter Mats

The filter mats must be checked at regular intervals. If the mats are too dirty to
allow the air supply to flow normally, they must be replaced.
NOTE
Not replacing contaminated filter mats can cause premature drive shutdown.
11.3

Servicing

Servicing involves activities and procedures for maintaining and restoring the
operating condition of the cabinet unit.
11.3.1

Replacing the Fan

The service life of the device fans is normally 50,000 hours. The actual service life,
however, depends on various factors, such as the ambient temperature and the
degree of protection for the cabinet and can, therefore, differ. The fans must be
replaced promptly to ensure that the cabinet unit is always available.
Removal
1. Unscrew the fastening screws on the fan (3x/ Torx M6)
2. Disconnect the fan cable from the terminal and remove it (2x)
3. Pull out the fan
4. Detach the fan from the fixing bracket by removing the bolts M6 (2x)
5. Remove the fixing bracket
Installation
1. Mount the fixing bracket
2. Secure the fan to the fixing bracket by tightening the bolts M6 (2x) to a torque of
10 Nm
3. Push the fan into place
4. Connect the fan cable (2x/ 1.2 Nm)
5. Tighten the fastening screws on the fan (3x/ Torx M6) to a torque of 10 Nm
SINAMICS G150
Operating Manual
Maintenance and Servicing
11-3