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Service and maintenance
10.2 Checking and changing lubricants
For a +80 °C oil sump temperature, the following service life can be expected when observing
the properties specified by Siemens:
Table 10-4
Type of oil
Mineral oil
Biodegradable oil
Physiologically safe oil according to USDA-H1/-H2
Synthetic oil
①
②
T
I
Figure 10-3
Grease service life of roller bearing greases
Roller bearings and the clearance in front are filled with sufficient grease.
Under approved operating conditions and ambient temperatures, no regreasing is required.
We recommend that the grease in the bearings is also renewed when the oil or shaft sealing
rings are replaced.
62
Service life of the oils
Mineral oil
Synthetic oil
Oil bath steady-state temperature in °C
Oil change interval in operating hours in h
Guide values for oil change intervals
Service life
10 000 operating hours or 2 years
20 000 operating hours or 4 years
SIMOGEAR electric monorail gearbox
Operating Instructions, 01/2024, A5E53220855A/RS-AA
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