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BJ5-620 Maintenance 34 of 73
9. Remove clinging shredded material residue using a suitable wooden scraper.
10. Place the screen back into its working position and fasten with the mounting
screws.
11. Close the machine and hopper doors.
12. Machine can be started again.
Replacing the Gear Box
The gearbox is designed so a replacement is only necessary in exceptional cases.
Dismounting and mounting of the gear box requires specialist knowledge and a careful
working method. Please observe the instructions given in the installation manual of the
gear box manufacturer or ask the service department for help.
Replacing the Rotor
The rotor’s design is heavy duty design, so a replacement is necessary only after a crash,
(i.e. a hammer fall inside). Dismounting and mounting of the rotor requires specialist
knowledge and a careful working method. Contact the Service Department for
assistance.
Dismounting the Rotor
1. Dismount the V-belt cover.
2. Dismount the V-belts.
3. Dismount the gearbox.
4. Remove the screen.
5. Remove the rotor mounting slot cover plates from the housing.
6. Screw in hooks on both shaft ends.
7. Remove the bearing housing fixing bolt.
8. Carefully lift out the complete rotor using suitable lifting and stopping
equipment.
9. Lay the rotor down in a safe location using appropriately sized timber beams.