1. Product Definition

• Replacement assembly for DeWalt DCD735 cordless drill, integrating:

• Carbon brush holder (insulated base with spring mechanism)

• Pre-installed carbon brushes (2pcs standard)

2. Compatibility

• Model Fit: Exclusive to DeWalt DCD735 20V MAX* cordless drill (verify via model label on tool body)

• Function: Maintains current conduction to motor rotor via commutator contact

3. Technical Specs

• Carbon Brush Dimensions:

• Thickness: 6mm × Width: 9mm × Length: 12mm (graphite-copper composite, 15% Cu content)

• Holder Material: Glass fiber-reinforced nylon (PA6+GF), heat-resistant to 130℃

• Spring Pressure: 1.4–1.8kg (maintains constant contact at 0–2,000 RPM)

4. Replacement Indicators

• Excessive sparking (flame length >3mm) during operation

• Reduced drilling torque or intermittent motor stalling

• Carbon brush wear below 8mm residual length (original 12mm)

5. Installation Steps

1. Disconnect battery and remove motor housing screws

2. Release old holder from brush slot (note spring orientation)

3. Clean commutator with isopropyl alcohol (remove carbon dust)

4. Verify spring compression (should deflect 8–10mm under load)

6. Maintenance Tips

• Inspect every 50 charging cycles for wear

• Avoid running with worn brushes (risk of commutator grooving >0.5mm)

• Store in dry environment to prevent holder deformation

7. Genuine Part Verification

• Check for DeWalt logo and part number "10080467" on packaging

• Cross-validate with DCD735 service manual (section 3.2.1 for brush assembly)

• Aftermarket alternatives should match OEM spring tension specs