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Maintenance
9.3 Preventive maintenance
Maintenance work
Check the cooling system
Clean the outside of the cab‐
inet
Clean the inside of the cabi‐
net
Check power and control
connections
Check internal connections
Carry out an inspection and
visual check
Check the software
Check spare parts
Check options
9.3.1
Visual inspections
9.3.1.1
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
● Dust deposits inside the cabinet unit must be removed at regular intervals (or at least once
78
to the section "Visual inspections".
a year) by qualified personnel in line with the relevant safety regulations.
Carried out by
Frequency
Operating com‐
After 30 000 operating
pany
hours
Operating com‐
As required
pany
Siemens serv‐
Annually
ice personnel
Operating com‐
After one year, and ev‐
pany
ery four years thereafter
Siemens serv‐
After one year, and ev‐
ice personnel
ery four years thereafter
Siemens serv‐
Annually
ice personnel
Siemens serv‐
After every parameter
ice personnel
modification, and then
every five years
Siemens serv‐
Annually
ice personnel
Siemens serv‐
ice personnel
Operating Instructions Rev.201910281458 EXAMPLE
Comments
Check the fans
Visual inspection, clean if
required
Visual inspection, clean if
required
See the specifications in
the Operating Manual
See the specifications in
the Operating Manual
SINAMICS SL150 6SL39616RC100AA02
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