user manual

Machine-Side Hopper Loaders
8-8 Maintenance
8.2.4. Replacing carbon brushes at the motor
The carbon brushes in the motor must be replaced after approximately 1000 hours of
operation. The brushes can be replaced twice before the entire motor has to be
replaced. “BL” model loaders feature brushless motors, and do not require this
procedure.
M This work must be carried out by qualified personnel only.
Disconnect the unit from main power supply before working on the controller.
Remove compressed air and depressurize unit prior to disassembly.
Disassemble the unit:
1. Remove the screws (A) at the
lid.
2. Remove the lid (B).
3. Remove the latch carefully from
the brush holder (C).
4. Remove the cover (D).
5. Loosen the brush holder lock.
6. Pull out the brush holder.
Installation:
1. Push the latch with the
connecting line onto the new
brush holder.
2. Mount the brush holder.
3. Please be careful with the latch
connecting line.
4. Mount the cover.
5. Mount the lid.
6. Mount the screws at the lid.
7. Install the unit.
Figure 15: Replacing the carbon brushes