Product Overview
These Tooldaddy carbon brushes are replacement components designed for specific Bosch washing machine models. Carbon brushes are essential for the proper functioning of the washing machine motor, facilitating electrical contact between the stationary and rotating parts. Worn carbon brushes can lead to issues such as power loss, erratic operation, sparking, unusual noises, or complete motor failure. Replacing worn brushes with these new ones can restore optimal functionality to your appliance.

Image: A pair of Tooldaddy carbon brushes, showing their rectangular carbon block, spring, and electrical connector. These brushes are designed to replace worn components in compatible Bosch washing machine motors.
Compatibility
These carbon brushes are 100% compatible with the following Bosch washing machine models:
- Bosch Avantixx 7 Sensitive: WIS24461EE/30, WIS24461EE/32, WIS24461EE/40, WIS24461EE/47
- Bosch Avantixx 7 SportLine: WAQ2844S/01, WAQ2844S/10, WAQ2844S/11, WAQ2844S/12, WAQ2849S/01, WAQ2849S/08
Specifications
| Dimensions | Approximately 5 x 12.5 x 42 mm (width x length x height) |
| Version | Spring plate |
| Quantity | 2 pieces (1 pair) |
| Manufacturer Part Number | KL-11-1212-19152-0512-12-42/6 |
| Item Weight | 20 grams |
| Brand | Tooldaddy |
Installation Guide
Warning: Before attempting any installation or replacement, ensure the washing machine is completely disconnected from the main power supply. Failure to do so can result in electric shock or injury. If you are unsure about any step, consult a qualified technician.
- Disconnect Power: Unplug the washing machine from the electrical outlet.
- Access Motor: Depending on your washing machine model, you may need to remove the back panel or side panel to access the motor and carbon brush holders. Refer to your washing machine's service manual for specific access instructions.
- Locate Carbon Brush Holders: Identify the carbon brush holders, typically located on the sides of the motor. There will be two holders, one for each brush.
- Remove Old Brushes: Carefully disconnect the electrical connector from the old carbon brush. Then, unclip or unscrew the brush holder to remove the worn carbon brush. Note the orientation of the brush and spring.
- Inspect Motor Commutator: While the brushes are removed, inspect the motor's commutator (the copper segments on the motor shaft). It should be clean and smooth. If it's heavily grooved or dirty, professional servicing may be required.
- Insert New Brushes: Insert the new Tooldaddy carbon brushes into the holders, ensuring they are oriented correctly. The carbon block should make firm contact with the commutator. Reattach the brush holder clips or screws.
- Reconnect Electrical Connectors: Securely reattach the electrical connectors to the new carbon brushes.
- Reassemble Washing Machine: Replace any panels removed to access the motor, ensuring all screws and fasteners are tightened.
- Test Operation: Plug the washing machine back into the power outlet and perform a test cycle to ensure proper operation. Listen for unusual noises and observe for smooth motor function.
Operation After Installation
After successful installation of the new carbon brushes, your washing machine motor should operate smoothly and efficiently. The brushes facilitate the transfer of electricity to the motor's rotating parts, enabling the drum to spin correctly. You should observe a reduction in previous symptoms such as power loss, excessive sparking, or unusual motor noises.
It is normal for new carbon brushes to 'bed in' during the first few cycles. During this period, a small amount of carbon dust may be produced, and the motor might sound slightly different until the brushes fully conform to the commutator's shape.
Maintenance
Carbon brushes are wear-and-tear parts and do not typically require routine maintenance. Their lifespan depends on the usage of the washing machine. However, to maximize their effectiveness and the motor's longevity:
- Regularly check for excessive vibrations or unusual motor noises, which could indicate brush wear.
- Ensure the washing machine is not consistently overloaded, as this can put additional strain on the motor and brushes.
- If you notice a recurrence of symptoms like power loss or excessive sparking, inspect the carbon brushes for wear.
Troubleshooting Common Issues
Motor Not Spinning or Weak Spin
Possible Cause: Severely worn or incorrectly installed carbon brushes.
Solution: Re-inspect the carbon brushes for proper seating and connection. If brushes are new, ensure they are making full contact with the commutator. If old, replace them.
Excessive Sparking from Motor
Possible Cause: Worn brushes, dirty commutator, or incorrect brush type.
Solution: Ensure the brushes are correctly installed. Clean the commutator if accessible and dirty. If sparking persists with new brushes, consult a professional as there might be an underlying motor issue.
Unusual Noises (Grinding, Squealing) from Motor
Possible Cause: Worn brushes, foreign object in motor, or bearing issues.
Solution: Check brushes for wear. If noises persist after brush replacement, it may indicate a more serious motor problem requiring professional diagnosis.
Warranty and Support
Information regarding specific warranty terms for Tooldaddy carbon brushes is not provided in this manual. Please refer to your purchase documentation or contact the retailer for warranty details.
For technical support or further assistance, please contact Tooldaddy customer service or consult a qualified appliance repair technician.