1. Introduction
Thank you for choosing MARSTEK Electric Motor Carbon Brushes. This product is designed as a replacement component for various power tools and motors, addressing common malfunctions caused by worn carbon brushes. Made from high-quality graphite and copper, these brushes are quenched at high temperatures to ensure high hardness and wear resistance, providing reliable performance for your equipment.
This manual will guide you through the product overview, technical specifications, and detailed replacement procedures to help you maintain your power tools effectively.
2. Product Overview
The MARSTEK 30Pcs 10 Sizes Electric Motor Carbon Brushes set provides a comprehensive selection for a wide range of power tools. Each set includes 30 pieces across 10 different sizes, ensuring compatibility with various models of hammer drills, circular saws, cut-off saws, and angle grinders.
Figure 2.1: The MARSTEK 30Pcs 10 Sizes Electric Motor Carbon Brushes set, neatly organized in a clear plastic case.
2.1 Package Contents
The package includes 30 pieces of carbon brushes in 10 distinct sizes, with 3 pieces for each size:
- 7x17x19mm (3 Pcs)
- 5x11x18mm (3 Pcs)
- 6.5x7.5x13mm (3 Pcs)
- 6.5x13.5x18mm (3 Pcs)
- 6x10x17mm (3 Pcs)
- 6x9x14mm (3 Pcs)
- 7x11x18mm (3 Pcs)
- 6x8x14mm (3 Pcs)
- 5x8x13mm (3 Pcs)
- 5x8x15mm (3 Pcs)
Figure 2.2: Detailed illustration of the 10 carbon brush sizes and their respective quantities included in the package.
3. Technical Specifications
| Attribute | Specification |
|---|---|
| Brand | MARSTEK |
| Model Name | Carbon Brushes |
| Model Number | HF-0020 |
| Material | Graphite and Copper |
| Item Weight | 0.11 Kilograms (3.84 ounces) |
| Product Dimensions | 5.31 x 4.13 x 1.18 inches |
| Power Source | AC/DC |
| Included Components | Carbon Brushes (30 Pcs) |
Figure 3.1: Product packaging dimensions for the carbon brush set.
4. Carbon Brush Replacement Guide
Carbon brushes are consumable parts that require periodic replacement. Follow these steps carefully to replace them in your power tools.
4.1 External Replacement Steps
For power tools with externally accessible carbon brush covers:
- Step 1: Remove Outer Cover. Use a screwdriver to remove the outer cover of the carbon brush. Take care to press the outer cover when removing it to prevent damage.
- Step 2: Remove Damaged Brush. After opening the outer carbon brush cover, carefully remove the damaged carbon brush. Observe and note how the original carbon brush is placed to ensure correct reinstallation.
- Step 3: Install New Brush. Install the new carbon brush. Tighten the outer cover and ensure proper contact with the carbon brush.
Figure 4.1: Visual guide for replacing externally accessible carbon brushes.
4.2 Built-in Replacement Steps
For power tools where carbon brushes are located internally:
- Step 1: Open Back Cover. Use a screwdriver to open the back cover screws and remove the back cover of the power tool.
- Step 2: Locate and Remove Damaged Brush. Find the carbon brush location. Use a small screwdriver to gently pick up the carbon brush at the snap. Do not use too much force to prevent deformation of components.
- Step 3: Install New Brush. After installing the new carbon brush, tighten the outer cover and pay attention to the carbon brush contact.
- Step 4: Connect Brushes. Install new carbon brushes and connect them correctly according to the connection method observed when removing the old ones.
- Step 5: Close Back Cover. Close the back cover and tighten the back cover screws securely.
Figure 4.2: Visual guide for replacing built-in carbon brushes.
5. Operating Guidelines
Carbon brushes are essential for the proper functioning of electric motors. They conduct current between stationary and rotating parts. Regular inspection and timely replacement are crucial for maintaining tool performance and safety.
Always ensure the power tool is disconnected from its power source before attempting any inspection or replacement of carbon brushes.
6. Maintenance and Inspection
Worn brushes are a common cause of motor malfunctions. It is important to regularly inspect your power tools for signs of wear.
- Brush Inspection: Check carbon brushes periodically for wear. They should be replaced if they appear significantly shortened or damaged.
- Armature Inspection: When replacing carbon brushes, always inspect your armature for burns, cracks, or other damage. Such damage can indicate larger motor problems that may not be resolved by simply replacing the carbon brushes.
7. Troubleshooting Common Issues
If you encounter issues after replacing carbon brushes, consider the following:
- Motor Smoking or Sparking: Worn brushes can cause the motor to smoke or spark. If this occurs, replace the brushes immediately. If the issue persists after replacement, inspect the armature for damage.
- Brushes Wearing Out Quickly: If new carbon brushes wear out or wear in half within a few minutes or hours of operation, it indicates a problem with your rotor. In such cases, the rotor should be replaced promptly to prevent further damage to the motor.
8. Warranty and Customer Support
MARSTEK is committed to customer satisfaction. If you are not satisfied with our products for any reason, please feel free to contact us. We offer hassle-free lifetime service and will work to resolve any issues you may encounter.
For support, please refer to the contact information provided with your purchase or visit the official MARSTEK website.
