When your DeWalt DCD950 drill starts to falter, it can be frustrating, especially if you rely on it for your projects at home or in your profession. One common issue that affects the performance of this robust tool is a malfunctioning armature. In this article, we’ll explore how to diagnose and fix issues related to the armature of your DeWalt DCD950 drill, giving you the knowledge needed to keep your tool in prime condition.
Understanding the Armature in Your DeWalt DCD950
The armature is a critical component of your DeWalt drill’s motor. It plays an essential role in transforming electrical energy into mechanical energy, which then drives the drill’s spindle. If your drill is experiencing power loss, unusual noises, or overheating, it may be due to a faulty armature.
Before diving into repairs, it’s paramount to understand the structure and function of the armature:
What is an Armature?
The armature can be described as the rotating part of an electric motor. It typically consists of a core, winding, and a commutator. These components work together to generate a magnetic field, allowing the motor to spin and produce torque.
Common Signs of Armature Failure
Recognizing the signs of armature failure is crucial for timely intervention. Here are a few symptoms to watch out for:
- Inconsistent power delivery or incomplete rotation
- Burning smell or excessive heat during operation
If you notice these signs, proceed with caution and prepare to inspect and potentially repair or replace the armature.
Tools and Materials You’ll Need
Getting the right tools and materials is the first step in fixing your DCD950 drill’s armature. Below is a comprehensive list of what you will likely need:
Essential Tools
- Philips screwdriver
- Flathead screwdriver
- T30 Torx driver
- Multimeter
- Replacement armature (if necessary)
- Lubricant (optional for maintenance)
Where to Find Replacement Parts
If you determine that the armature needs replacement, ensure you purchase a genuine part from a reputable supplier or directly from DeWalt.
Step-by-Step Guide to Fixing the Armature in Your DCD950 Drill
Now that you are equipped with the necessary tools and understanding of armatures, it’s time to tackle the repair. Follow these steps for a successful fix.
Step 1: Disconnect the Power Source
Safety should always be your top priority. Before starting your repair:
- Unplug the drill from the power source or remove the battery.
- Ensure you are working in a well-ventilated space to avoid inhaling any dust or debris.
Step 2: Remove the Chuck Assembly
The chuck assembly holds the drill bit in place, and you’ll need to remove it to access the motor.
- Locate the chuck: Use a flathead screwdriver to loosen the chuck.
- Remove the chuck: Once loosened, unscrew it by turning counterclockwise until it is completely detached.
Step 3: Open the Drill Housing
Next, you will need to access the interior of your drill.
- Unscrew the casing: Use the T30 Torx driver to remove the screws on the housing.
- Carefully separate the halves: Gently pull apart the two halves of the drill housing. Take your time to avoid damaging any internal wiring.
Step 4: Inspect the Armature
With the drill housing open, you can now get a good look at the armature.
- Visual inspection: Look for signs of wear and tear, such as burned windings or physical damage to the armature.
- Use a multimeter: Check for continuity in the armature windings using a multimeter. If you get an open circuit reading, the armature is faulty.
Step 5: Removal of the Defective Armature
If you’ve confirmed the armature is defective, it’s time to take it out.
- Disconnect wires: Carefully disconnect any wires connected to the armature.
- Remove screws/brackets: Take out any screws or brackets holding the armature in place.
- Gently lift out the armature: With all connections removed, carefully lift up the armature from its housing.
Step 6: Install the New or Repaired Armature
If you are replacing the armature, now is the time to install the new one:
- Position the new armature: Place it in the housing, ensuring it fits snugly into the designated area.
- Reconnect wires: Reattach any wires that were disconnected during removal.
- Secure with screws: Fasten screws and brackets to hold the new armature in place.
Step 7: Reassemble the Drill
After replacing the armature, it’s time to put your drill back together.
- Snap the housing back together: Align both halves and press them back into place.
- Replace the screws: Secure the casing with the screws you removed earlier.
- Reassemble the chuck: Screw the chuck back onto the spindle clockwise until it’s secure.
Step 8: Test Your Drill
Now for the moment of truth. Before placing the drill back in your toolbox, take the following steps to ensure everything works correctly:
- Reconnect to power: Plug in the drill or reinsert the battery.
- Run a test: Activate the drill at a low speed, and gradually increase the speed. Listen for any unusual noises and check that power is consistent.
Maintaining Your DeWalt DCD950 Drill
Preventative maintenance is key to keeping your DeWalt DCD950 drill in optimal condition. Here are some tips:
Regular Cleaning
Dust and debris can accumulate inside the drill, affecting performance. Make it a habit to clean the exterior and utilize compressed air to blow out the interior, especially around the motor and armature.
Lubrication
Consider applying a light lubricant to the moving parts of the drill periodically to minimize friction and wear.
Conclusion
Fixing an armature in your DeWalt DCD950 drill may seem daunting, but with the right tools and guidance, it can be a straightforward process. Always prioritize safety and take your time, ensuring you follow each step meticulously. By following this guide, you should be able to diagnose issues, replace your drill’s armature, and enjoy many more hours of reliable performance from your DeWalt tool. Armed with this knowledge, you’re now more than capable of tackling your drill repairs like a pro!
What is an armature in a DeWalt DCD950 drill?
The armature is a critical component of the drill’s motor that is responsible for transferring electrical energy into mechanical motion. It consists of a winding of copper wire wrapped around a core that generates a magnetic field when electricity flows through it. This magnetic field interacts with the stator, causing the armature to rotate and, in turn, driving the chuck of the drill.
In the DeWalt DCD950, the armature’s quality and functionality directly impact the overall performance of the tool. A malfunctioning armature can lead to reduced power, overheating, and inefficient drilling. Understanding the role of the armature can aid users in troubleshooting issues and performing necessary repairs to reinstate their drill’s capability.
How do I determine if my DeWalt DCD950 armature is faulty?
To ascertain if your armature is faulty, begin by conducting a few basic tests. First, inspect the drill for any obvious signs of damage, such as burning smells, unusual noises, or a lack of power. A good way to troubleshoot is to check if the drill operates intermittently or only under specific conditions, as these can be indicative of armature failure.
Additionally, you can perform a continuity test using a multimeter. Disconnect the power source and set the multimeter to measure resistance. Touch the probes to the terminals of the armature. If the reading indicates a break in continuity, then it’s likely that the armature has failed and needs replacing. This step can provide you with a clearer diagnosis before proceeding with repairs.
What tools do I need to fix the DeWalt DCD950 armature?
To fix the armature of a DeWalt DCD950, you’ll need a few essential tools. Basic hand tools like screwdrivers (both Phillips and flathead), pliers, and wrenches are necessary to disassemble and reassemble the drill. Additionally, a multimeter is crucial for testing electrical components, including the armature, to identify any faults accurately.
Moreover, having a replacement armature and possibly other electrical components, such as brushes or bearings, on hand will streamline the repair process. It may also be helpful to have some lubrication for reassembly and a clean workspace to keep all parts organized. Using proper tools and materials ensures that your repair is effective and the drill is restored to optimal working condition.
Can I repair a damaged armature?
In some cases, minor damage to the armature can be repaired, although it often depends on the nature and extent of the damage. If the issue involves worn-out contacts or brushes, these can typically be replaced without needing to replace the entire armature. However, if the winding is damaged or the core shows signs of cracking, it may be more economical to replace the armature entirely.
If you decide to attempt a repair, it’s vital to have a reliable understanding of the armature’s construction and function. Detailed resources or guides can provide insight into the repair process, but if you’re uncertain, consulting a professional or considering a replacement may save you time and potential complications in the long run.
How long does it typically take to replace the armature?
Replacing the armature in your DeWalt DCD950 can vary in the time it takes, depending on your skill level and the tools available. For someone with experience in repairing power tools, the process could take as little as 1 to 2 hours. This timeframe includes disassembling the drill, replacing the armature, and reassembling the unit.
However, if you are unfamiliar with the process or lack the necessary tools, it may take longer. Thoroughly reading guides or watching instructional videos beforehand can help speed up the process. It’s crucial to work carefully to avoid damaging other components, so don’t rush if you’re new to this type of repair.
Where can I find a replacement armature for the DeWalt DCD950?
Replacement armatures for the DeWalt DCD950 can be found through several reliable sources. Authorized DeWalt retailers or service centers carry genuine parts that ensure compatibility and reliability. You can also visit DeWalt’s official website, which provides a list of available replacement parts for their tools, including the armature.
Online marketplaces, such as Amazon or eBay, often have both genuine and aftermarket replacement parts. While these convenient options might offer lower prices, it’s crucial to verify the quality and compatibility of the parts before purchasing. Always read reviews and check ratings to make an informed decision and ensure you obtain a product that meets your needs.
What safety precautions should I take when repairing my drill?
When repairing your DeWalt DCD950, safety should always be a priority. Start by disconnecting the drill from any power source before attempting any disassembly or inspections. This step is vital to avoid electrical shocks or accidental activation during the repair process. Wearing safety glasses is also recommended to protect your eyes from debris while working.
Additionally, keep your workspace organized and ensure that all tools and replacement parts are readily accessible. Using appropriate personal protective equipment, such as gloves, can help prevent injuries from sharp edges within the drill. Taking these safety precautions not only protects you but also ensures a smoother and more efficient repair process.
Can I prevent future armature issues in my DeWalt DCD950?
Preventing future armature issues involves proper maintenance and usage practices. Regularly cleaning the drill, especially around the vents and the motor housing, helps to keep dust and debris from accumulating inside. Furthermore, ensuring that the drill is used within its specified limits, and avoiding prolonged use under heavy loads can significantly reduce stress on the armature.
Additionally, it’s a good idea to occasionally inspect the brushes and other electrical components to ensure they’re in good condition. Replacing worn brushes proactively can prevent damaging the armature and other internal components. By understanding your drill’s maintenance needs and adhering to recommended practices, you can prolong its lifespan and minimize potential issues with the armature.