4. Tighten the rear screws M8 ③ (tightening torque: 13 Nm).
5. Connect the fan cable.
6. Close the cover of the junction box ①.
9.4.2 Replacing the filter mats (option M11)
To prevent dangerous dust deposits from accumulating in the power unit components,
additional filter mats are attached to the outside of the device.
The device must not be operated when the filter mats are dirty. Dirty filter mats can cause a
premature thermal shutdown of the drive.
WARNING
Replacing the filter mats during operation
Replacing the filter mats while the drive is in operation can cause hazards for maintenance
personnel due to arcing. This can result in death, serious injuries or material damage.
Do not replace filter mats while the drive is operational.
NOTICE
Suction of the running cabinet fans
Dust can enter the interior of the cabinet during filter mat replacement due to the suction of
the running cabinet fans. Dust deposits can damage the device.
Ensure that no dust enters the cabinet when replacing the filter mats.
Maintenance
9.4 Maintenance
SINAMICS GL150 6SL38503UM114PA0Z
112 Operating Instructions 04/2017
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