Cleaning The Cabinet - Siemens SINAMICS S120 Manual

Maintenance and servicing

6.2 Cleaning the cabinet

6.2 Cleaning the cabinet
The cabinet comprises mostly electronic components. Apart from the fan(s), therefore, it
contains hardly any components that are subject to wear or that require maintenance or
servicing. The purpose of maintenance is to preserve the specified condition of the cabinet.
Dirt and contamination must be removed regularly and parts subject to wear replaced.
The following points must generally be observed.
Dust deposits
Dust deposits inside the cabinet must be removed at regular intervals (or at least once a
year) by qualified personnel in line with the relevant safety regulations. The unit must be
cleaned using a brush and vacuum cleaner, along with dry compressed air (max. 1 bar) for
areas that cannot be easily reached.
Ventilation
The ventilation openings in the cabinet must never be obstructed. The fan must be checked
to make sure that it is functioning correctly.
6.3 Servicing the cabinet
Servicing involves activities and procedures for maintaining and restoring the operating
condition of the cabinet.
Required tools
The following tools are required for replacing components:
● Spanner or socket spanner (width across flats 10)
● Spanner or socket spanner (width across flats 13)
● Spanner or socket spanner (width across flats 16/17)
● Spanner or socket spanner (width across flats 18/19)
● Hexagon-socket spanner (size 8)
● Torque wrench
● Screwdriver (size 1/2)
● Screwdriver Torx T20 / T25 / T30
A socket-spanner case with two long extensions is recommended.
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Cabinet Modules
Manual, 03/2013, A5E03263538A