Siemens SIMOTICS DP 1PC13, Руководство по эксплуатации

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Maintenance
9.5 Corrective maintenance
Smoke extraction motors
Operating Instructions, 03/2016, 5 610 80000 40 018
77
Replacing bearings
Recommended interval after which bearings are to be replaced under normal operating
conditions:
Table 9- 4 Bearing replacement intervals
Ambient temperature Principle of operation Bearing replacement intervals
40 °C Horizontal coupling operation 40 000 h
40 °C With axial and radial forces 20 000 h
● Do not reuse bearings that have been removed.
● Remove the dirty spent grease from the bearing shield.
● Replace the existing grease with new grease.
● Replace the shaft seals when the bearings are replaced.
● Slightly grease the contact surfaces of the sealing lips.
Note
Special operating conditions
The operating hours are reduced, e.g.
•
When machines are vertically mounted.
• High vibration and surge loads
•
Frequent reversing operation
• Higher ambient temperatures.
•
High speeds etc.