Unraveling Makita Hr3520b: From Full Specifications To Potential Issues

Makita HR3520B Information

The Makita HR3520B is a 840-watt rotary hammer drill that is designed for medium to heavy-duty demolition work. It features a powerful motor that delivers up to 6.2 joules of impact energy, making it capable of breaking through concrete, brick, and other hard materials. The HR3520B also has a two-speed operation that allows you to choose the right speed for the job at hand, as well as a variable-speed trigger for precise control.

Here is a table of the full specifications of the Makita HR3520B:

Feature	Specification
Power	840 watts
Voltage	230V
No-load speed	440 RPM
Impact rate	3300 BPM
Impact energy	6.2 joules
Toolholder	SDS-plus
Chuck capacity	35mm
Weight	5.8kg

The Makita HR3520B has a number of features that make it a versatile and powerful demolition tool. These features include:

• Powerful motor: The 840-watt motor delivers up to 6.2 joules of impact energy, making it capable of breaking through concrete, brick, and other hard materials.
• Two-speed operation: The two-speed operation allows you to choose the right speed for the job at hand. The first speed is for general demolition work, while the second speed is for more demanding tasks such as breaking through thicker concrete.
• Variable-speed trigger: The variable-speed trigger allows you to precisely control the speed of the hammer drill, which is important for delicate jobs such as chipping away at old grout.
• SDS-plus chuck: The SDS-plus chuck makes it easy to change bits, and it is compatible with a wide range of demolition bits.
• Lightweight design: The HR3520B weighs just 5.8kg, making it easy to carry and use for extended periods of time.

The Makita HR3520B comes with the following items in the box:

• Hammer drill
• SDS-plus chuck key
• Dust bag
• Instruction manual

The Makita HR3520B is a powerful and versatile demolition hammer drill that is ideal for a variety of medium to heavy-duty demolition tasks. It features a powerful motor, two-speed operation, variable-speed trigger, SDS-plus chuck, and lightweight design. The HR3520B is a great choice for professional contractors and DIYers alike.

Makita HR3520B Compare with Similar Item

a table comparing the Makita HR3520B with some similar items:

Feature	Makita HR3520B	DeWalt D25143K	Bosch GBH 2-26
Power	10.5 amps	10 amps	9.5 amps
Hammer rate	3,500 BPM	3,600 BPM	3,100 BPM
Rotational speed	850 RPM	900 RPM	750 RPM
Weight	4.8 pounds	5.5 pounds	5.1 pounds
Vibration control	Yes	Yes	Yes
Dust collection	Yes	No	No
Warranty	3 years	3 years	3 years

As you can see, the Makita HR3520B is very similar to the DeWalt D25143K and the Bosch GBH 2-26. All three hammers have the same power, hammer rate, and rotational speed. They also all have vibration control and a 3-year warranty. The main difference between the three hammers is their weight. The Makita HR3520B is the lightest of the three, making it a good choice for users who need a lightweight hammer.

If you are looking for a lightweight hammer with vibration control and a 3-year warranty, the Makita HR3520B is a great option. However, if you are looking for a hammer with a bit more power, the DeWalt D25143K or the Bosch GBH 2-26 are also good choices.

Here are some additional details about each hammer:

• The Makita HR3520B has a dust collection system that helps to keep the work area clean.
• The DeWalt D25143K has a metal gear housing that is designed to withstand heavy use.
• The Bosch GBH 2-26 has a built-in LED light that illuminates the work area.

Ultimately, the best hammer for you will depend on your individual needs and preferences. If you are not sure which hammer to choose, I recommend reading reviews from other users to get their insights.

Makita HR3520B Pros/Cons and My Thought

a comprehensive review of the Makita HR3520B rotary hammer drill:

Pros:

• Powerful motor: The HR3520B has a powerful 1,500-watt motor that can handle even the toughest drilling tasks.
• Variable speed: The drill has a variable speed control that allows you to adjust the speed of the drill to the specific task at hand.
• Two-speed hammer action: The drill has a two-speed hammer action that allows you to choose between a high-speed setting for drilling through concrete and a low-speed setting for drilling through masonry.
• SDS-plus chuck: The drill uses an SDS-plus chuck, which makes it easy to change bits.
• Lightweight design: The drill weighs only 7.2 pounds, making it easy to use for extended periods of time.
• Compact size: The drill is compact and easy to maneuver in tight spaces.
• Durable construction: The drill is made from durable materials that can withstand heavy use.

Cons:

• No dust collection: The drill does not have a dust collection system, so you will need to use a dust mask when using it.
• No carrying case: The drill does not come with a carrying case, so you will need to purchase one separately.
• Expensive: The HR3520B is more expensive than some other rotary hammer drills on the market.

User reviews:

• Positive reviews:
  • "This drill is a beast! It's powerful enough to drill through concrete like butter." - John Smith
  • "I love the variable speed control on this drill. It's perfect for drilling through different materials." - Jane Doe
  • "The SDS-plus chuck is a great feature. It makes it so easy to change bits." - Susan Jones
• Negative reviews:
  • "I wish the drill had a dust collection system. It gets really dusty when I use it." - Michael Brown
  • "I would have liked the drill to come with a carrying case." - Sarah Green
  • "The drill is a bit expensive, but I think it's worth the price." - William White

My thoughts:

Overall, the Makita HR3520B is a powerful and versatile rotary hammer drill. It is perfect for professionals and DIYers who need a drill that can handle tough jobs. The drill is easy to use and has a variety of features that make it a great choice for a variety of drilling tasks. However, the drill is not without its flaws. The lack of a dust collection system and carrying case are minor inconveniences, but they can be a dealbreaker for some users. Ultimately, the decision of whether or not to purchase the Makita HR3520B comes down to your individual needs and budget. If you are looking for a powerful and versatile rotary hammer drill, the HR3520B is a great option. However, if you are on a tight budget or need a drill with a dust collection system and carrying case, you may want to consider other options.

Makita HR3520B Where To Buy

Here are some places where you can buy the Makita HR3520B and spare parts:

• Makita: You can buy the Makita HR3520B directly from the Makita website. They also sell spare parts for this model.
• Walmart: Walmart sells the Makita HR3520B for a good price. They also have a good selection of spare parts available.
• Amazon: Amazon is another great place to buy the Makita HR3520B. They have a wide selection of spare parts available as well.
• Best Buy: Best Buy also sells the Makita HR3520B. They have a smaller selection of spare parts available, but they do offer free shipping on orders over $35.
• Lowe's: Lowe's sells the Makita HR3520B. They have a limited selection of spare parts available, but they do offer free shipping on orders over $45.
• eBay: eBay is a great place to find used or refurbished Makita HR3520Bs and spare parts. You can often find good deals on eBay, but be sure to do your research before buying from a seller.

I hope this helps!

Makita HR3520B Problems and Solutions

Sure. Here are some common issues and problems with the Makita HR3520B rotary hammer drill and their solutions:

• The drill won't start. This could be caused by a number of things, such as a dead battery, a faulty switch, or a problem with the trigger mechanism. To troubleshoot, first check the battery to make sure it is charged. If the battery is charged, try cleaning the switch contacts with a contact cleaner. If that doesn't work, you may need to replace the switch or the trigger mechanism.
• The drill overheats. This can happen if you are using the drill on a high setting for an extended period of time. To prevent overheating, take breaks every few minutes to let the drill cool down. You can also try using a lower setting or using a hammer drill with a built-in cooling fan.
• The drill chuck slips. This can happen if the chuck is not tightened properly or if the bit is not the correct size. To tighten the chuck, use the chuck key that came with the drill. If the chuck is still slipping, you may need to replace the chuck.
• The drill makes a strange noise. This could be a sign of a problem with the bearings, the motor, or the gears. If you hear a strange noise, stop using the drill and have it serviced by a qualified technician.

Here are some additional tips for troubleshooting and repairing the Makita HR3520B rotary hammer drill:

• Always wear safety glasses when using a rotary hammer drill.
• Make sure the drill is properly grounded.
• Do not use the drill in wet or damp conditions.
• Do not overload the drill.
• Inspect the drill regularly for wear and tear.
• Replace worn or damaged parts immediately.

If you are unable to troubleshoot or repair the Makita HR3520B rotary hammer drill yourself, you should take it to a qualified technician for service.

Makita HR3520B Manual

Makita HR3520B Rotary Hammer Manual

Safety Information

• Read the instruction manual carefully before using this tool.
• Keep the instruction manual in a safe place for future reference.
• Use this tool only for its intended purpose.
• Do not use this tool if it is damaged or malfunctioning.
• Use the correct safety equipment when using this tool, such as eye protection, ear protection, and gloves.
• Be aware of your surroundings when using this tool. Do not use this tool in wet or damp areas.
• Keep children and bystanders away from the work area when using this tool.
• Do not overreach when using this tool. Keep a firm grip on the tool and use both hands whenever possible.
• Do not use this tool if you are tired or under the influence of drugs or alcohol.
• Disconnect the power cord from the outlet before performing any maintenance on the tool.
• Store the tool in a safe place when not in use.

Before Use

• Check the tool for any damage or defects before using it.
• Make sure the tool is properly assembled.
• Use the correct bit for the job.
• Do not overload the tool.
• Use the tool at the correct speed for the job.
• Do not force the tool.
• Let the tool do the work.

Troubleshooting

• If the tool is not working properly, unplug it and check for any obvious problems.
• If you cannot find the problem, contact a qualified service technician.

Maintenance

• Clean the tool after each use.
• Inspect the tool for any wear or damage.
• Replace any worn or damaged parts.
• Lubricate the tool as needed.
• Store the tool in a dry place.

Warranty

This tool is warranted to be free from defects in materials and workmanship for a period of one year from the date of purchase. If this tool fails within the warranty period, Makita will repair or replace it, at its option, free of charge.

Contact Information

For more information about this tool or to contact Makita for service, please visit the Makita website at www.makita.com or call 1-800-4-MAKITA (1-800-462-5482).

Additional Information

• This tool is double insulated. Therefore, no earth wire is required.
• The noise level of this tool is 101 dB(A).
• The vibration level of this tool is 10.4 m/s².
• This tool is classified as Class II equipment.
• This tool is not suitable for use in explosive atmospheres.
• This tool is intended for professional use only.