To remove the bearing on a Dewalt miter saw, first secure the armature in a vise. Grip only the bearing area. Apply pressure to break the outer race of the bearing. Once it pops off, let it fall carefully. This method is simple, effective, and prevents damage to the armature during the removal process.
To begin the bearing replacement process, first, disconnect the power supply to ensure safety. Next, remove the blade guard and saw blade. Use appropriate tools to unscrew the housing cover. Once the cover is removed, you can access the bearings. Carefully extract the old bearings using a bearing puller or suitable tools designed for this purpose.
Inspect the bearing seats for damage before installing the new bearings. Secure the new bearings in place, ensuring they are properly seated. After installation, reassemble the housing, blade, and guard. Test the saw to confirm smooth operation.
Successfully completing DeWALT miter saw bearing replacement improves performance and extends the life of your saw. With these steps in mind, you are ready to learn about troubleshooting common issues and maintaining your miter saw for optimal performance.
What Are the Common Signs of a Failing Bearing on a DeWALT Miter Saw?
Common signs of a failing bearing on a DeWALT miter saw include unusual noises, rough movement, excessive vibration, and difficulty in operation.
- Unusual noises
- Rough movement
- Excessive vibration
- Difficulty in operation
Understanding the common signs of a failing bearing on a DeWALT miter saw can help achieve timely repairs and enhance the tool’s lifespan.
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Unusual Noises: Unusual noises indicate potential bearing failure. These noises may manifest as grinding, squeaking, or rattling sounds during operation. These sounds arise when worn or damaged bearings fail to support the blade properly. Regular maintenance and inspection can identify these early indicators.
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Rough Movement: Rough movement is a result of compromised bearings. This occurs when the internal surfaces of a bearing wear down, causing stiffness or resistance in the saw’s mechanism. Smooth movement is essential for clean cuts, and noticing any resistance can signal a need for immediate inspection or replacement.
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Excessive Vibration: Excessive vibration can indicate that the bearings are not performing as they should. Vibration may lead to unwanted movements during the operation, affecting precision and safety. According to a study by the National Institute for Occupational Safety and Health (NIOSH), excessive vibration can also lead to more significant mechanical failures if not addressed.
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Difficulty in Operation: Difficulty in operation refers to challenges in using the saw, such as the blade not reaching optimal speeds or binding during cuts. It often results when the bearings wear out and increase friction within the saw’s assembly. This can lead to longer cutting times and reduce overall efficiency.
By recognizing these signs, users can address potential issues before they escalate, ensuring safety and performance in their DeWALT miter saw operations.
Which Tools Are Essential for Removing the Bearing on DeWALT Miter Saws?
The essential tools for removing the bearing on DeWALT miter saws include the following:
- Socket Set
- Screwdriver Set
- Bearing Puller
- Lubricant
- Pliers
- Torque Wrench
To effectively remove the bearing, you should understand the specific uses of each tool listed above.
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Socket Set: A socket set is necessary for loosening and removing bolts that hold the bearing in place. A variety of socket sizes can accommodate different bolt sizes on various DeWALT models.
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Screwdriver Set: A screwdriver set helps in removing screws that may be securing component parts near the bearing. Flathead and Phillips screwdrivers will be essential as they fit in most screw types.
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Bearing Puller: A bearing puller is a specialized tool designed to extract bearings from their housing without damaging surrounding components. This tool is critical when a bearing is tightly fitted.
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Lubricant: Lubricant aids in easing the removal of the bearing. It reduces friction and helps loosen rusted or stuck components, making the extraction process smoother and preventing damage.
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Pliers: Pliers may be needed to grasp and manipulate various components during the removal. They are particularly useful for holding small parts securely while you work.
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Torque Wrench: A torque wrench is important for reassembling the miter saw. It ensures bolts are tightened to the manufacturer’s specified torque, which is essential for the safe operation of the saw.
Each of these tools plays a crucial role in the proper maintenance and servicing of DeWALT miter saws, ensuring longevity and optimal performance.
How Do You Prepare Your DeWALT Miter Saw for Bearing Removal?
To prepare your DeWALT miter saw for bearing removal, you must gather necessary tools, ensure safety through disconnecting power, and carefully disassemble the saw components.
Gather necessary tools: You will need a socket set, screwdrivers, and possibly a bearing puller. These tools will help you efficiently remove screws and bearings.
Ensure safety: Disconnect the miter saw from the power source. This step is crucial to prevent any accidental start-up or injury while performing maintenance.
Disassemble components: Remove the saw blade by loosening the blade screw. Be sure to wear gloves to protect your hands from sharp edges. After that, detach the blade guard and any other components blocking access to the bearing. Keep track of screws and parts to facilitate reassembly later.
Remove the bearing: Once all the obstructive components are off, you can access the bearing. Depending on its condition, you may use a bearing puller to remove the bearing with minimal effort. Ensure you apply even pressure to avoid damaging the surrounding components.
These steps ensure a thorough and safe preparation for bearing removal on your DeWALT miter saw, leading to effective maintenance and repair.
What Detailed Steps Should You Follow to Remove the Bearing on the DW718?
To remove the bearing on the DeWALT DW718 miter saw, follow a series of detailed steps to ensure proper removal and installation.
- Gather required tools and materials.
- Disconnect the power supply.
- Remove the blade guard.
- Take off the saw blade.
- Remove the motor housing.
- Extract mounting screws.
- Use a bearing puller to detach the bearing.
- Clean the bearing housing.
- Install the new bearing.
- Reassemble the saw.
These steps create a clear path to replacing the bearing effectively. It is crucial to address each task with attention to detail to avoid potential complications or damage during the process.
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Gather Required Tools and Materials:
Gathering the necessary tools and materials is the first step in the bearing removal process. You will need items such as a wrench, screwdriver, bearing puller, and a new bearing for replacement. -
Disconnect the Power Supply:
Disconnecting the power supply ensures your safety while working on the saw. Always unplug the miter saw or turn off the circuit breaker to prevent accidental starts. -
Remove the Blade Guard:
Removing the blade guard is crucial to gain access to the saw blade and motor. Use a screwdriver to unfasten the guard from its mounting points. -
Take Off the Saw Blade:
Taking off the saw blade allows you access to the bearings. Use a wrench to loosen and remove the arbor nut, and carefully take off the blade. -
Remove the Motor Housing:
Removing the motor housing provides access to the internal components. Unscrew the screws holding the housing in place and gently lift it off. -
Extract Mounting Screws:
Extracting the mounting screws that secure the bearing will be necessary for removal. Keep these screws organized for easy reinstallation. -
Use a Bearing Puller to Detach the Bearing:
Using a bearing puller is an efficient method to detach the bearing from its shaft. Ensure the puller is properly aligned and apply steady pressure to remove the bearing smoothly. -
Clean the Bearing Housing:
Cleaning the bearing housing after removal ensures proper installation of the new bearing. Remove any debris or old grease to prepare for the new component. -
Install the New Bearing:
Installing the new bearing should be done carefully to avoid damage. Place the new bearing in the housing and ensure it is seated correctly. -
Reassemble the Saw:
Reassembling the saw includes reversing the disassembly steps. Replace the motor housing, reinstall the saw blade, secure the blade guard, and finally reconnect the power supply.
Following these steps will allow for the successful removal and replacement of the bearing on the DW718, ensuring the tool remains in optimal working condition.
What Is the Procedure to Remove the Bearing on the DW708 Model?
The procedure to remove the bearing on the DW708 model involves specific steps to ensure effective replacement. The primary steps include gathering necessary tools, disassembling the tool, removing the retaining ring, and carefully extracting the bearing.
According to the DeWALT Service Center, proper bearing removal is essential for maintaining the tool’s performance and longevity. Following manufacturer instructions ensures safety and efficiency during the process.
The removal process includes various aspects such as understanding the function of the bearing in the miter saw and identifying compatible replacement parts. The bearing supports the blade and impacts the saw’s accuracy and smooth operation.
The DeWALT repair manual outlines that bearings should be replaced if excessive wear or damage is noted, as these issues can lead to decreased performance. Maintenance is essential for any rotating machinery to prevent breakdowns.
Common causes for bearing issues include overheating, contamination from dust, and incorrect lubrication. Regular maintenance and cleaning can significantly reduce these problems.
According to a report from DeWALT, nearly 70% of tool failures are linked to improper maintenance, emphasizing the need for routine checks and timely repairs to extend tool life.
Bearing failure can affect the tool’s overall performance, leading to inaccuracies in cuts and increasing the risk of accidents. This poses risks to both operator safety and project quality.
On the economic front, unreliable tools can lead to increased downtime and project delays. This impacts productivity and financial outcomes for both individuals and businesses.
To address bearing issues, DeWALT recommends regular inspections and immediate replacement of worn parts. Understanding the repair process can enhance tool reliability and productivity.
Effective strategies include maintaining clean working environments, using quality lubricants, and employing regular maintenance schedules. Implementing these practices can minimize bearing-related failures.
How Can You Remove the Bearing on the DWS 779 Model Effectively?
To effectively remove the bearing on the DWS 779 model, follow these key steps: gather necessary tools, secure the work area, disassemble the saw, remove the old bearing, and install the new bearing.
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Gather necessary tools: Collect a screwdriver set, pliers, a bearing puller, and lubricant. These tools are essential for safely disassembling the saw and extracting the bearing.
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Secure the work area: Ensure that you have a clean, well-lit workspace. Disconnect the power supply and place the saw on a stable surface. This step helps prevent accidents during the repair process.
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Disassemble the saw: Carefully remove the screws and components surrounding the bearing. Take note of the order of disassembly to facilitate reassembly. Keeping track of parts ensures a smoother installation process later on.
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Remove the old bearing: Use the bearing puller to extract the old bearing. Position the puller correctly to avoid damaging the surrounding components. Apply even pressure as you pull the bearing out to prevent any breakage.
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Install the new bearing: Apply a small amount of lubricant to the new bearing. Carefully slide it into place, ensuring it fits snugly. Proper installation is crucial for the performance of the saw.
Following these steps will help you remove and replace the bearing on your DWS 779 model effectively and safely.
What Steps Are Involved in Removing the Bearing on the DWS727 Model?
To remove the bearing on the DWS727 model, follow these steps:
- Unplug the saw for safety.
- Remove the blade guard.
- Take off the saw blade.
- Access the motor housing.
- Detach the retaining ring.
- Slide off the damaged bearing.
- Install the new bearing.
- Reassemble all components.
Transitioning to a detailed explanation, each step involves important actions for successful bearing replacement.
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Unplug the Saw for Safety: Unplugging ensures that the saw will not operate during the repair, preventing potential accidents or injuries. Always prioritize safety when working with power tools.
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Remove the Blade Guard: Removing the blade guard is necessary to gain access to the saw blade. This step typically involves unscrewing or releasing latches that secure the guard in place.
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Take Off the Saw Blade: To remove the saw blade, you will need to loosen the arbor nut with the appropriate wrench. This allows you to lift off the blade for access to the bearing.
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Access the Motor Housing: Removing the saw blade exposes the motor housing, which may require additional screws or fasteners to be released. It is necessary to carefully detach this component to access the bearings.
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Detach the Retaining Ring: The retaining ring holds the bearing in place. You will need a suitable tool, such as pliers or a retaining ring tool, to remove it without damaging surrounding parts.
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Slide Off the Damaged Bearing: Once the retaining ring is removed, the damaged bearing can be gently pulled off the motor shaft. Be cautious not to exert excessive force, as this could damage the shaft.
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Install the New Bearing: The new bearing should be slid onto the shaft in the same orientation as the old one. Ensure it is seated properly to avoid future operational issues.
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Reassemble All Components: After replacing the bearing, reassemble the saw by reversing the disassembly steps. Make sure everything is tightly secured and in the correct position.
Following these detailed steps will allow you to successfully replace the bearing on the DWS727 model and restore the saw’s functionality.
What Common Mistakes Should You Avoid When Removing Bearings on DeWALT Miter Saws?
To avoid common mistakes when removing bearings on DeWALT miter saws, ensure you follow the proper techniques and use the correct tools.
Common mistakes to avoid include:
1. Not disconnecting power.
2. Failing to mark and organize parts.
3. Using incorrect tools.
4. Ignoring manufacturer guidelines.
5. Overheating the bearing during removal.
6. Lack of safety gear.
7. Not checking for damage on reinstallation.
Understanding these points can enhance your efficiency and safety during the bearing removal process.
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Not Disconnecting Power:
Not disconnecting power can lead to accidental starts of the miter saw. This poses a severe injury risk. Always ensure the saw is unplugged before beginning any work. -
Failing to Mark and Organize Parts:
Failing to mark and organize parts can complicate reassembly. Properly labeling each component during disassembly can save time and reduce mistakes during reinstallation. Use a labeled container or a diagram for ease. -
Using Incorrect Tools:
Using incorrect tools can damage the saw or bearings. Ensure you have appropriate tools such as a bearing puller or socket set. DeWALT recommends specific tools in their manuals to achieve optimal results. -
Ignoring Manufacturer Guidelines:
Ignoring manufacturer guidelines can lead to improper handling and potential damage. Always consult the DeWALT manual specific to your model for detailed instructions on bearing removal. -
Overheating the Bearing During Removal:
Overheating the bearing during removal can cause damage. Utilize a proper bearing puller and apply even pressure to avoid heat buildup. Excessive heat can warp the bearing and surrounding components. -
Lack of Safety Gear:
Lack of safety gear increases the risk of injury. Always wear safety goggles and gloves when working on power tools. This protects against hazards such as flying debris. -
Not Checking for Damage on Reinstallation:
Not checking for damage on reinstallation can lead to operational issues. Examine bearings and related components for wear and tear to ensure efficient performance after reassembly. Replace damaged parts promptly to maintain the saw’s functionality.
How Do You Properly Install New Bearings Back into Your DeWALT Miter Saw?
To properly install new bearings back into your DeWALT miter saw, follow a step-by-step process that ensures the bearings are correctly positioned and secured.
First, gather necessary tools and prepare the workspace. You will need a replacement bearing, a wrench set, a screwdriver, and possibly a bearing puller or press. Ensure the saw is unplugged to prevent accidents.
Next, remove the old bearing. Use a wrench to loosen any screws securing the bearing cover. Once the cover is off, carefully pull out the old bearing. If it is stuck, a bearing puller can help extract it without damaging the surrounding components.
Then, clean the bearing seat. Use a cloth or a soft brush to remove any debris or grease from the area where the new bearing will sit. This helps ensure a proper fit and function.
After cleaning, install the new bearing. Align it with the bearing seat, ensuring that it fits snugly. Use a press or carefully tap it into place using a soft mallet. Make sure it is flush with the surrounding surface.
Next, reattach the bearing cover. Place the cover back over the bearing, aligning screw holes. Secure it using a wrench, ensuring it is tight but not overtightened to avoid damaging the cover or bearing.
Finally, test the saw. Plug the miter saw back in and run it briefly at a low speed to check for any unusual noises or vibrations. Any abnormalities may suggest that the bearing is misaligned or not installed correctly.
By following these steps, you can ensure that the new bearings in your DeWALT miter saw are properly installed and functioning efficiently.
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