Sterling manual Replacing carbon brushes at the motor, Disassemble the unit, Installation

Machine-Side Hopper Loaders

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.

MThis 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

8-8 Maintenance