Visual Inspections; Tools Required; Torques - Siemens SINAMICS S120 Operating Instructions Manual

Servicing
8.2 Preventive maintenance
Maintenance intervals of the components
Table 8-1
Component
Coolant
Cooling hoses
Fan
Gaskets
Filter
Pumps
8.2.3

Visual inspections

8.2.3.1

Tools required

You will need the following tools:
● Standard set of tools with screwdrivers, screw wrenches, socket wrenches, etc.
● Torque wrenches from 1.5 Nm up to 100 Nm
● 600 mm extension for socket wrenches
8.2.3.2

Torques

The following tightening torques apply when tightening current-conducting connections, e.g.
DC-link connections, motor connections, busbars, lugs and other connections (for example
ground connections, protective conductor connections, steel threaded connections/glands).
Table 8-2
108
Maintenance intervals
Review
Annually
Regularly, at least every three
months
Regularly, at least every three
months
Regularly, at least every three
months
See the notes in the cooling unit operating instructions
See the notes in the cooling unit operating instructions
Tightening torques for screw connections
Thread Ground connections, protective
conductor connections, steel threa‐
M3
M4
M5
M6
M8
M10
M12
M16
Replacement
After ten years
After six years
After approximately 50,000 operating hours
After six years
ded connections
1.3 Nm
3 Nm
6 Nm
10 Nm
25 Nm
50 Nm
88 Nm
215 Nm
Applications for Cabinet Modules, liquid cooled
Operating Instructions, 04/2015, A5E35974555A
Aluminum threaded connections,
plastic, busbars, lugs
0.8 Nm
1.8 Nm
3 Nm
6 Nm
13 Nm
25 Nm
50 Nm
115 Nm