Introduction
This manual provides essential information for the safe and correct installation of Hobbypower24 carbon brushes. These carbon brushes are designed as replacement parts for various washing machine motors from manufacturers such as Bosch, Neff, Siemens, Whirlpool, Blomberg, and Quelle. Please read these instructions carefully before proceeding with installation.
Product Overview
The Hobbypower24 carbon brushes are high-quality replacement components for washing machine motors. They are engineered for durability and low spark formation, ensuring a long service life for your appliance.
- Dimensions: 5 x 12.5 x 32 mm
- Connection Type: Terminal connection (solder-free)
- Quantity: 1 set = 2 pieces
- Compatible with BSH Group motor boards: 088421, 092024, 092025, 092094, 096331, 096357, 096805, 096809, 496871, 496872, 496874, 496875, 496876 (replaces BSH-group: 021521)
- Compatible with Whirlpool Group motor boards: 481290208006, 481290308084
Note: Always compare the dimensions and connection type of the new carbon brushes with the worn-out ones to ensure compatibility, as motor designs can vary or be updated over time.

This image shows a set of two Hobbypower24 carbon brushes, each measuring 5 x 12.5 x 32 mm, with pre-attached terminal connectors. They are packaged in a transparent plastic bag, with the Hobbypower24 branding visible on the insert card.
Installation Instructions
Replacing carbon brushes requires basic technical understanding and adherence to safety precautions. If you are unsure, consult a qualified technician.
- Safety First: Before beginning any work on your washing machine, ensure it is completely disconnected from the mains power supply. Unplug the power cord from the wall socket.
- Access the Motor: Depending on your washing machine model, you may need to remove the back panel or front panel to access the motor. Refer to your washing machine's service manual for specific instructions on how to access the motor.
- Locate Carbon Brush Holders: The carbon brushes are typically located on either side of the motor, housed in plastic or metal holders.
- Remove Old Carbon Brushes: Carefully disconnect the electrical terminals from the old carbon brushes. Then, unclip or unscrew the brush holders to remove the worn brushes. Note their orientation.
- Inspect Commutator: While the brushes are out, inspect the motor's commutator (the copper segments on the rotor). It should be clean and smooth. If it's heavily grooved or dirty, professional servicing may be required.
- Install New Carbon Brushes: Insert the new Hobbypower24 carbon brushes into the holders, ensuring they are oriented correctly. The brushes should slide in smoothly and make firm contact with the commutator.
- Connect Terminals: Reconnect the electrical terminals to the new carbon brushes. Ensure connections are secure. These brushes feature a solder-free terminal connection for convenience.
- Reassemble: Reattach the brush holders, and then reassemble the washing machine panels in reverse order of removal.
Warning: Failure to disconnect power before servicing can result in electric shock or serious injury.
Post-Installation Check
After installing the new carbon brushes and reassembling the washing machine, perform the following checks:
- Power Connection: Plug the washing machine back into the mains power supply.
- Initial Test Cycle: Run a short, empty wash cycle (e.g., a rinse and spin cycle) to observe the motor's operation.
- Listen for Abnormal Noises: Pay attention to any unusual noises, excessive sparking from the motor, or burning smells. A slight initial spark is normal as the brushes bed in, but excessive sparking is not.
- Check for Smooth Operation: The drum should rotate smoothly and the motor should operate without hesitation.
If any issues arise, immediately disconnect the power and re-check the installation steps.
Maintenance
Carbon brushes are wear-and-tear components that gradually shorten with use. Regular maintenance involves periodic inspection and replacement when they become too short to make proper contact with the commutator.
- Inspection Frequency: The lifespan of carbon brushes varies depending on usage. If your washing machine exhibits symptoms like intermittent motor operation, reduced spin speed, or excessive sparking, it may be time to inspect the brushes.
- Replacement: Replace carbon brushes as a pair to ensure even wear and optimal motor performance.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Motor not starting or intermittent operation | Brushes not making proper contact; Worn-out brushes; Incorrect installation | Ensure brushes are fully seated and terminals are secure. Check brush length. Reinstall if necessary. |
| Excessive sparking from motor | Brushes not bedded in; Commutator dirty or damaged; Incorrect brush type | Allow for a few cycles for brushes to bed in. Inspect commutator for cleanliness and damage. Ensure correct brush dimensions. |
| Burning smell from motor area | Overheating motor; Incorrect brush material; Commutator issues | Immediately disconnect power. Check for proper brush installation and commutator condition. Seek professional help if smell persists. |
If troubleshooting steps do not resolve the issue, it is recommended to contact a qualified appliance repair technician.
Specifications
- Product Type: Carbon Brushes (Motor Carbons)
- Brand: Hobbypower24
- Dimensions (L x W x H): 5 mm x 12.5 mm x 32 mm
- Connection: Terminal connection (solder-free)
- Quantity: 2 pieces per set
- Manufacturer Reference: WA-A73-500-43
- Replaces BSH Group Part No.: 021521
- Compatibility: Bosch, Neff, Siemens, Whirlpool, Quelle, Blomberg washing machine motors (specific models listed in Product Overview)
Warranty and Support
For warranty information regarding your Hobbypower24 carbon brushes, please refer to the purchase documentation or contact your retailer. As these are wear-and-tear parts, warranty terms may vary.
For technical support or further inquiries, you may contact Hobbypower24 directly:
- Website: www.Hobbypower24.de
- Email: info@hobbypower24.de
- Address: Dachstraße 27, 34286 Spangenberg, Germany