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BJ5-615 Chapter 5: Maintenance 36 of 85
5. Attach the bearing housing to the bearing seats using screws.
6. Push the distance sleeve onto the rotor axis.
7. Put the gear onto the rotor axis
8. Put back the rotor cover plates
9. Put in the screen
10. Pull on V-belts and adjust the V-belt tension force.
11. Attach the V-belt cover.
12. Carry out a test run.
NOTE:
• The roller bodies will be damaged unless the mounting forces engaged into inner
ring.
• The hardened bearing rings are sensitive to impact stress; never hit the rings with
the hammer. Use a brass arbor or a striking bushing (piping piece) made from a
soft material. The inner diameter of the striking bushing should be only slightly
larger than the diameter of the bearing base.
• The bearing is then pushed onto the shaft using light blows. The force of pressure
must be evenly distributed on the circumference of the bearing ring.
Lubricating the Main Bearings
An important requirement for high operational safety and long service life of the arrangement
of bearings is the correct lubricant supply. Every machine is greased and checked in test runs
before delivery.
NOTE: Unsuitable lubricant, lubricant deficiency, excessive lubricant, or impurities in the
lubricant lead to overheating and extreme wear of the bearings.
Lubrication Intervals
Shift Operation Replace Lubricant Check
One shift operation Every 18 months Monthly
Two shift operation Every 9 months Monthly
Three shift operation Every 6 months Monthly
Check lubricant quality
You can judge whether the lubricant needs to be replaced by checking for the
following features:
• Change in consistency
• Discoloration
• Degree of soiling