Siemens SIMOTICS FD 1LH1, Operating Instructions & Installation Instructions

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4. Screw suitable bolts or screws into the radial threads for pulling off. Note the length of
engagement to avoid clamping to the shaft or damaging the thread.
5. Warm the labyrinth sealing ring as you pull it off.
See also
Installing the labyrinth sealing ring (Page 138)
9.2.3.4 Installing roller bearings
● Extreme caution and attention to cleanliness are vital to installation. Observe the correct
assembly sequence of the components.
● Attach all components with the specified tightening torques (Page 165).
Note
For further information about mounting the roller bearing, please refer to the catalog or the
information provided by the roller bearing manufacturer.
Procedure
1. Replace the damaged components.
2. Remove any dirt from the components. Remove any grease and the remains of sealant or
liquid threadlocker.
3. Prepare the bearing seats:
– Lightly oil the inner ring seat.
– Grease the outer ring seat with a solid lubricant such as Altemp Q NB 50.
– Press the inner bearing cover onto the shaft.
4. Warm up the roller bearing.
5. Push the inner ring of the warmed up roller bearing onto the shaft. Avoid any blows that
might damage the bearing.
6. Make sure that the roller bearing is resting against the shaft shoulder or the second bearing.
7. Fill the bearing to the top with the specified lubricating grease as stamped on the lubricant
plate.
8. Warm up the grease slinger and push it onto the shaft.
9. Depending on the particular version, fix the bearing with a locking ring or shaft nut.
10.Support the rotor when installing the bearing housing or bearing end shield.
11.Use a suitable sealant when assembling.
12.Assemble the bearing shield or bearing housing together with the bearing shield.
Maintenance
9.2 Corrective Maintenance
SIMOTICS FD 1LH1
136
Operating Instructions 01/2019