How to Take a Hitachi Cordless Drill Apart: A Step-by-Step Guide

Taking apart a cordless drill might seem overwhelming, but it doesn’t have to be! If you find yourself in need of disassembling your Hitachi cordless drill, you’ve come to the right place. With the right tools and steps, disassembling your drill is relatively easy and straightforward. Not only will taking apart your drill give you better insight into how it works, but it can also help you diagnose and fix any issues you’re experiencing.

In this post, we’ll walk you through everything you need to know about disassembling your Hitachi cordless drill, step-by-step. So, grab your tools and let’s get started!

Preparing for Disassembly

If you want to take a Hitachi cordless drill apart, the first step is to make sure that it’s unplugged and the battery is removed before disassembly. Then, use a screwdriver to remove the screws and gently pry the drill apart. Before beginning, it’s important to have an organized and clean workspace to prevent any small parts from getting lost.

Take pictures or make a diagram of the parts and their placement as you take things apart, so you know how to put it all back together again. When you’re ready to reassemble the drill, follow your pictures or diagram in reverse order and be sure to double-check everything before testing it out. By properly preparing for disassembly and taking your time during the process, you can successfully take apart your Hitachi cordless drill for any necessary repairs or maintenance.

Gather Necessary Tools

When preparing for disassembly, gathering all necessary tools is essential for a smooth and efficient process. You don’t want to start disassembling your device only to realize that you don’t have the required tools for the job. Some of the essential tools you will need include a screwdriver set, pliers, tweezers, and a spudger.

It’s important to use the right tool for the job to avoid damaging any of the device’s components. For example, using a flathead screwdriver instead of a spudger could leave scratches or dents on the surface. Having all the tools you need readily available before starting the disassembly process will help you save time and make the whole process less frustrating.

With the right tools at your disposal, you’ll be able to disassemble your device with ease and efficiency.

how to take a hitachi cordless drill apart

Remove Drill Battery

If you’re planning to disassemble your drill and do some maintenance work, the first thing you need to do is to remove the drill battery. This is an important step as it prevents any electricity from flowing through the drill while you are working on it. Before starting, make sure the drill is switched off and unplugged from the power source.

If your drill has a detachable battery, press the release button or use a screwdriver to loosen the locking mechanism and then remove the battery. If your drill has a fixed battery, you’ll need to remove the screws that hold the drill housing and then carefully lift the battery out of the drill. Always be careful when removing the battery, make sure to handle it correctly, and keep it in a safe place away from children and pets.

By following these simple steps, you can prepare your drill for disassembly and ensure your safety while working on it.

Disassembling the Drill

Disassembling a Hitachi cordless drill may seem intimidating at first, but with the right tools and a bit of patience, it’s actually a straightforward process. First, remove the battery from the drill and set it aside. Next, locate the screw at the base of the drill’s handle and use a screwdriver to remove it.

Once the screw is removed, gently pull the handle away from the rest of the drill. You may need to wiggle it a bit to separate the two pieces. With the handle removed, you’ll have access to the drill’s motor and gearbox.

If you need to further disassemble the drill to make repairs or replace parts, be sure to consult the manufacturer’s instructions or seek the help of a professional. Overall, taking a Hitachi cordless drill apart is a manageable task as long as you take your time and have the right tools on hand.

Locate Screws and Remove Them

If you’re looking to disassemble your drill, the first step is finding and removing the screws. Depending on the make and model of your drill, there could be a variety of screws to locate. Some drills may have a visible screw that holds the handle in place, while others may require the removal of the battery to access hidden screws.

It’s important to use the appropriate screwdriver to avoid damaging the screws or stripping them. Once you have located the screws, carefully unscrew them and set them aside in a safe place. Be sure to keep track of any washers or other small pieces that may fall out during the removal process.

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With the screws removed, you can then begin disassembling the drill further to access specific parts or make repairs. Taking the time to carefully remove the screws will make the disassembly process smoother and prevent any potential damage to the drill.

Separate Drill Motor from Housing

When it comes to disassembling a drill, separating the drill motor from the housing is a crucial step. This allows you to access and replace the motor if necessary. To do so, start by removing any screws that hold the housing and motor together.

Once the screws have been removed, carefully separate the two components. It’s important to proceed with caution and care, as the motor may still be wired to the drill’s power source. Take the time to carefully detach any wires or connections before fully separating the motor from the housing.

Remember, each drill is unique and the disassembly process may vary slightly depending on the make and model. By separating the motor from the housing, you can access and maintain your drill’s components with ease.

Unscrew Chuck from Motor Shaft

If you’re looking to disassemble your drill, one of the first steps is removing the chuck from the motor shaft. Thankfully, this isn’t too complicated of a task and can be done with just a few basic tools. To begin, you’ll need to find the screw that’s holding the chuck in place.

This is typically located near the bottom of the drill and can be undone using a screwdriver. Once the screw is removed, you can use a wrench to unscrew the chuck from the motor shaft. Be sure to hold onto the chuck tightly as you do this, as it can be quite heavy and may fall off if you’re not careful.

With a little bit of elbow grease, you should be able to easily remove the chuck and move on to other parts of the drill. Keep in mind that if you’re having trouble with this task or any other part of the disassembly process, it may be best to consult with an expert or follow a step-by-step guide to avoid causing any damage to your drill.

Identifying the Drill Parts

So you’ve got a Hitachi cordless drill that needs disassembling. One of the first steps is to identify the different parts of the drill. The chuck is the part that holds the drill bit in place, and you can usually loosen it by rotating the outer sleeve counterclockwise.

The motor and transmission are other important parts of the drill, and they’re typically located towards the back of the tool. If the drill has a battery, you’ll want to remove it before taking the tool apart. Once you’ve identified all the different components, you can start removing screws and taking off covers to expose the inner workings of the drill.

Just be sure to keep track of all the screws and parts as you go, so you don’t lose anything important. With a bit of patience and some careful work, you’ll have your Hitachi cordless drill apart in no time!

Locate Drill Switch and Trigger

When it comes to using a drill, it’s important to first locate the drill switch and trigger. The switch is typically located on the side of the drill, and is used to turn the drill on and off. The trigger is located on the handle of the drill, and is the part that you squeeze in order to activate the drill.

It’s important to note that some drills may have other buttons or switches that serve different functions, such as a speed selector or a mode selector. However, the switch and trigger are the main components that you’ll need to identify in order to operate the drill properly. By familiarizing yourself with these parts, you’ll be able to use the drill with confidence and achieve the results you’re looking for in your DIY projects.

Identify Motor and Gearbox

When it comes to identifying the parts of a drill, one of the most important things to note is the motor and gearbox. The motor is what powers the drill, and is typically located at the rear of the tool. It’s important to note that the size and power of the motor can vary depending on the type of drill you’re using- for example, a cordless drill may have a smaller motor than a heavy-duty corded drill.

The gearbox, on the other hand, is responsible for transferring power from the motor to the chuck, which holds the drill bit. This is typically located towards the front of the drill and is often visible when looking at the chuck. Once you’re able to identify the motor and gearbox on your drill, you’ll have a better understanding of how the tool works and be able to troubleshoot any issues that arise.

So next time you’re examining your drill, take a closer look at these critical components and get a better understanding of how they work together to power your tool.

Reassembling the Drill

If you’ve ever wondered how to take a Hitachi cordless drill apart, the good news is it’s not as complicated as it may seem. The first step is to gather all necessary tools needed, such as screwdrivers and pliers. Next, remove the screws and any clips that may be holding the drill together.

Be mindful of any wires or electrical components and gently set them aside. Once the drill is disassembled, clean any parts that need it and inspect for any damage. Then comes the fun part – reassembling the drill.

Carefully connect any wires and attach any clips back into place. Finally, use your screws to put everything back together. Taking apart and reassembling a drill can be a great way to get to know the tool better and even make any necessary repairs.

Attach Chuck back to Motor Shaft

Now that we have dismantled our drill, let’s go ahead and reassemble it! The next step is to attach the chuck back to the motor shaft. It may seem like a simple task, but it requires precision and care. Start by ensuring that the motor shaft is clean and free from any debris or rust.

Then, insert the chuck onto the shaft and tighten it firmly. Make sure that the chuck is aligned correctly with the motor body. Give it a quick test by turning the drill on and off to verify that the chuck is securely attached.

Remember, the chuck plays a vital role in securely gripping the drill bit, which is essential for accurate drilling. By following these steps and attaching the chuck correctly, your drill will be ready to use again in no time.

Connect Motor to Housing

Now that we have disassembled and repaired our drill, it’s time to reassemble the various parts. One of the most crucial steps is to connect the motor to the housing of the drill. The motor is the heart of the drill, responsible for turning the drill bit and making our power tool function.

To connect the motor to the housing, we need to ensure that the shaft from the motor slips into the gearbox. We must also make sure the gears are aligned and seated correctly before securing them in place. Once the gears are in place, it’s time to attach the motor to the housing.

This step requires us to insert the screws and tighten them properly to ensure the motor is securely attached. Now that the motor is connected to the housing, we can move on to other essential components such as the chuck and the handle. With a little patience and attention to detail, we’ll have our trusty drill back up and running in no time.

Reinsert Screws and Battery

After completing the repair on your drill, it’s time to reassemble it. The next step is to reinsert the screws you removed earlier. Make sure to position them back in their respective places and tighten them firmly but not excessively.

An overtightened screw can damage your drill’s body and cause problems with the motor. With the screws in place, you can now reinstall the battery. Place the battery into the compartment and push it down gently until it locks in place.

Double-check that everything is secure and that your drill is fully functional. Once you’re done, test your drill to make sure it’s working correctly. If it is, congratulations on a job well done! If not, double-check all the connections and make sure that everything is properly secured.

With these simple steps, you can reassemble your drill and get back to work in no time.


In conclusion, taking apart a Hitachi cordless drill requires a steady hand and a bit of know-how. Make sure to have the proper tools on hand and take your time to avoid any mishaps. It may seem daunting at first, but with a little bit of elbow grease and determination, you’ll have your drill disassembled and ready for repairs or upgrades in no time.

And who knows, you might even impress your DIY friends with your newfound skills. Happy drilling!”


What tools do I need to take apart a Hitachi cordless drill?
You will need a screwdriver, pliers, and possibly a hex key to take apart a Hitachi cordless drill.

Can I disassemble my Hitachi cordless drill to fix a jammed chuck?
Yes, the chuck assembly can usually be disassembled and reassembled to fix a jammed chuck on a Hitachi cordless drill.

Are there any special precautions I should take before disassembling my Hitachi cordless drill?
Yes, always disconnect the battery and wear safety goggles before disassembling any power tool.

How do I remove the chuck from a Hitachi cordless drill?
To remove the chuck from a Hitachi cordless drill, you will need to loosen the screw inside the chuck and then use a wrench to unscrew the chuck from the drill.

Can I replace the battery on my Hitachi cordless drill?
Yes, most Hitachi cordless drills have replaceable batteries that can be easily swapped out.

How do I clean the motor on my Hitachi cordless drill?
You can clean the motor on your Hitachi cordless drill by using compressed air to blow out any dust and debris that has accumulated.

What should I do if I accidentally break a part while disassembling my Hitachi cordless drill?
If you break a part while disassembling your Hitachi cordless drill, you can usually order a replacement part from the manufacturer or a third-party supplier.

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