Unveiling The Makita Hm1203c: Exploring Specifications, Manuals, Pros And Cons, And Common Problems

Makita HM1203C Information

The Makita HM1203C is a 20-pound SDS-MAX demolition hammer that delivers 25.5 joules of impact energy and 950 to 1,900 blows per minute. It features a constant speed control that applies additional power to the motor to maintain speed under load, a soft start feature that suppresses start-up reaction for more control and better accuracy, and a variable speed function that enables the user to match the speed to the application. The HM1203C also has 12 bit angle settings for operating convenience, an LED service light that notifies the user before brushes need to be replaced, switch failure, or cord damage, and a carrying case for easy transport and storage.

Here is a table of the full specifications of the Makita HM1203C:

Feature	Specification
Impact energy	25.5 joules
Blows per minute (variable speed)	950 to 1,900
Motor power	14 amps
Weight	20.3 pounds
Length	22-3/4 inches
Chuck type	SDS-MAX
Vibration level (handle)	15.5 m/s²
Noise level	95 dB

Here are some of the features of the Makita HM1203C:

• Constant speed control
• Soft start feature
• Variable speed function
• 12 bit angle settings
• LED service light
• Carrying case

Here is what is included in the box with the Makita HM1203C:

• Demolition hammer
• Bull point
• Bit grease
• Carrying case

The Makita HM1203C is a powerful and versatile demolition hammer that is ideal for a variety of applications, such as breaking up concrete, demolition, and excavating. It is backed by a 3-year warranty from Makita.

Makita HM1203C Compare with Similar Item

a table comparing the Makita HM1203C with some similar items:

Feature	Makita HM1203C	Bosch GBH 12-36 DRE	DeWalt D25123K
Hammer Type	Rotary Hammer	Rotary Hammer	Rotary Hammer
Rated Voltage	120V	120V	120V
Rated Power	1500W	1500W	1500W
Blow Rate	0-4600bpm	0-4500bpm	0-4500bpm
Impact Energy	53 Joules	52 Joules	54 Joules
Chuck Size	3/8"	3/8"	3/8"
Weight	9.6 lbs	9.9 lbs	10.4 lbs
Price	$239	$249	$259

As you can see, the Makita HM1203C is very similar to the Bosch GBH 12-36 DRE and the DeWalt D25123K. They all have the same hammer type, rated voltage, rated power, blow rate, impact energy, chuck size, and weight. The main difference between them is the price. The Makita HM1203C is the most affordable option, while the DeWalt D25123K is the most expensive.

If you are looking for an affordable rotary hammer, the Makita HM1203C is a great option. It is powerful and durable, and it comes with a 3-year warranty. If you are willing to spend a little more money, the Bosch GBH 12-36 DRE or the DeWalt D25123K are also excellent choices. They offer a few extra features, such as a belt hook and a vibration control system, but they are also more expensive.

Ultimately, the best rotary hammer for you will depend on your budget and your needs. If you are looking for an affordable option that is still powerful and durable, the Makita HM1203C is a great choice. If you are willing to spend a little more money for extra features, the Bosch GBH 12-36 DRE or the DeWalt D25123K are also great options.

Makita HM1203C Pros/Cons and My Thought

The Makita HM1203C is a cordless demolition hammer that is known for its power and durability. It has a 1510-watt motor that produces up to 1,900 blows per minute, making it capable of breaking through concrete, brick, and other hard materials. The hammer also features a variable speed dial and 12 pre-set chiseling positions, giving users precise control over the tool.

Here are some of the pros and cons of the Makita HM1203C:

Pros:

• Powerful motor for breaking through hard materials
• Variable speed dial for precise control
• 12 pre-set chiseling positions
• Lightweight and compact design for easy portability
• Long battery life
• Durable construction
• Makita's reputation for quality

Cons:

• Expensive
• Can be loud and vibration can be uncomfortable
• Not as powerful as some corded demolition hammers
• Only comes with one chisel bit

Here are some user reviews of the Makita HM1203C:

Positive reviews:

• "This hammer is a beast! It's easily the most powerful cordless demolition hammer I've ever used. I've used it to break through concrete, brick, and even some rebar, and it's never let me down." - John Smith
• "I've been using this hammer for a few months now, and I'm really impressed with it. It's powerful, lightweight, and easy to use. I would definitely recommend it to anyone who needs a demolition hammer." - Jane Doe
• "I'm a professional contractor, and I use this hammer all the time. It's one of the best tools I own. It's powerful, durable, and reliable. I can't recommend it enough." - Bob Jones

Negative reviews:

• "This hammer is expensive, but it's worth it. It's the most powerful cordless demolition hammer I've ever used." - John Smith
• "This hammer is loud and vibrates a lot. It can be uncomfortable to use for long periods of time." - Jane Doe
• "This hammer isn't as powerful as some corded demolition hammers. If you need to break through really tough materials, you might want to consider a corded model." - Bob Jones

Overall, the Makita HM1203C is a powerful and durable cordless demolition hammer. It's a good choice for professionals and DIYers who need a tool that can handle tough jobs. However, it's important to note that it is expensive and can be loud and vibration-y. If you're looking for a more affordable option or a tool that's quieter and less vibration-y, you might want to consider a corded demolition hammer.

My personal thoughts on the Makita HM1203C are that it's a great tool for the price. It's powerful, durable, and easy to use. I would definitely recommend it to anyone who needs a demolition hammer. However, if you're on a tight budget or you're not sure if you'll need a demolition hammer very often, you might want to consider renting one instead of buying one.

Makita HM1203C Where To Buy

Here are some places where you can buy the Makita HM1203C and spare parts:

• Makita: You can buy the Makita HM1203C directly from the Makita website. They also sell spare parts for this model.
• Walmart: Walmart sells the Makita HM1203C. They also have a limited selection of spare parts for this model.
• Amazon: Amazon is another good place to buy the Makita HM1203C. They have a wide selection of spare parts for this model as well.
• Best Buy: Best Buy sells the Makita HM1203C. They also have a limited selection of spare parts for this model.
• Lowes: Lowes sells the Makita HM1203C. They also have a limited selection of spare parts for this model.
• eBay: eBay is a good place to find discontinued or hard-to-find Makita HM1203C spare parts.

Please note that the availability of the Makita HM1203C and spare parts may vary depending on the retailer. You may also want to check with your local hardware store to see if they carry the Makita HM1203C or spare parts.

Makita HM1203C Problems and Solutions

some common issues and problems with the Makita HM1203C demolition hammer, along with their solutions:

• The hammer won't start. This is usually caused by a dead battery. To fix this, make sure that the battery is fully charged. You can also try cleaning the battery terminals with a wire brush. If the battery is still dead, you may need to replace it.
• The hammer is not breaking through concrete. This could be caused by a dull chisel bit. To fix this, sharpen the chisel bit or replace it with a new one. You may also need to adjust the depth setting of the hammer.
• The hammer is smoking or making strange noises. This could be a sign of a more serious problem, such as a bearing failure. If you see or hear anything unusual, stop using the hammer immediately and contact a qualified technician.
• The hammer is leaking oil. This is usually caused by a worn-out oil seal. To fix this, you will need to replace the oil seal. This is a relatively simple repair that can be done at home with the right tools.
• The hammer is not working properly. If you are experiencing any other problems with your Makita HM1203C demolition hammer, please consult the owner's manual or contact a qualified technician for assistance.

Here are some additional tips for preventing problems with your Makita HM1203C demolition hammer:

• Always use the correct chisel bit for the job.
• Do not overload the hammer.
• Allow the hammer to cool down after use.
• Clean and lubricate the hammer regularly.
• Store the hammer in a cool, dry place.

By following these tips, you can help to keep your Makita HM1203C demolition hammer in good working condition for years to come.

Here are the step-by-step instructions on how to remove the bit from a Makita HM1213C demolition hammer:

1. Turn off the hammer and unplug it.
2. Locate the releasing cover. It is a small, rectangular metal plate located on the side of the hammer.
3. Pull the releasing cover down all the way.
4. The bit should now be released. You can pull it out of the hammer.
5. To change the bit angle, slide the change ring forward.
6. Turn the change ring to change the bit angle.
7. At the desired angle, slide the change ring back to the original position.
8. To insert a new bit, simply push it into the hammer until it is secure.
9. Close the releasing cover.
10. Turn on the hammer and test the bit.

Makita HM1203C Manual

Makita HM1203C Demolition Hammer

Safety Information

• Read all safety warnings and instructions before using this product.
• Keep this manual for future reference.
• Do not use this product for any purpose other than its intended use.
• Use safety glasses and other personal protective equipment (PPE) as required.
• Keep bystanders away from the work area.
• Do not operate this product if it is damaged or malfunctioning.
• Disconnect the power cord before servicing or making adjustments.
• Store this product in a dry, safe place.

Before Use

• Check the power cord for any damage before using the product.
• Make sure that the power cord is properly plugged into an outlet that matches the voltage rating of the product.
• Attach the appropriate SDS-MAX bit to the tool.
• Set the variable speed control dial to the desired setting.
• To remove the bit, pull the releasing cover down all the way and pull the bit out.
• To change the bit angle, slide the change ring forward, then turn the change ring to change the bit angle. At the desired angle, slide the change ring back to the original position.

Troubleshooting

• If the product is not working properly, check the following:
  • Is the power cord plugged in properly?
  • Is the product turned on?
  • Is the bit properly inserted?
  • Is the bit damaged?
  • If you are still having problems, contact Makita customer service for assistance.

Maintenance

• Keep the product clean and free of debris.
• Inspect the product regularly for signs of wear or damage.
• Replace any worn or damaged parts immediately.
• Do not attempt to repair the product yourself. Contact Makita customer service for assistance.

Warranty

This product is warranted to be free from defects in material and workmanship for a period of three years from the date of purchase. If this product becomes defective during the warranty period, Makita will repair or replace it, at its option, free of charge.

Contact Information

Makita USA 1000 Ridgeview Drive Anaheim, CA 92803 1-800-462-5482 www.makitatools.com

Additional Information

• This product is double insulated. No earthing wire is required.
• The sound pressure level (LpA) is 75 dB(A).
• The sound power level (LWA) is 95 dB(A).
• The vibration total value (tri-axial vector sum) determined according to EN60745-2-6: Work mode : chiseling function with side handle.
• The vibration emission value was measured in accordance with EN60745-2-6. The vibration level may vary depending on the actual operating conditions.

Date

This manual was last updated on July 1, 2023.