Maintenance work Carried out by Frequency Comments
Carry out an inspection and
visual check
Siemens serv‐
ice personnel
Annually
Check spare parts Siemens serv‐
ice personnel
Annually
9.4.1 Visual inspections
9.4.1.1 Equipment for visual inspections
You require the following basic equipment to carry out the visual checks and maintenance work:
● Mirror
● Flashlight
● Torque wrench for tightening screws
NOTICE
Damage due to contamination and dirt
Contamination and dirt can damage the device.
● Visually inspect the equipment at least once per year. For more information, please refer
to the section "Visual inspections".
● Dust deposits inside the cabinet unit must be removed at regular intervals (or at least once
a year) by qualified personnel in line with the relevant safety regulations.
Note
The actual intervals at which maintenance procedures are to be performed depend on the
environmental and operating conditions. Define maintenance intervals that reflect your plant-
specific environmental and operating conditions and meet your availability requirements. When
doing so, take the prescribed maintenance intervals into consideration, as well as the
instructions for repairing and replacing installed components.
9.4.1.2 Checking the isolating clearances
● Slight, dry, non-conducting contamination is permitted.
● Remove contamination caused by dust in conjunction with high humidity.
See also
Cleaning (Page 131)
Maintenance
9.4 Preventive maintenance
SINAMICS GL150 6SL38555UN113KA0Z
Operating Instructions Rev.201910281450 EXAMPLE 127
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