Dewalt Dc390b: Full Specifications, Comparisons, Manuals, Pros And Cons, Problems, And Where To Buy

DeWalt DC390B Information

The DeWalt DC390B is a 6-1/2-inch cordless circular saw that is powered by an 18-volt battery. It features a 3,700 RPM motor for fast rip and cross cuts, a carbide-tipped blade for long-lasting sharpness, and a magnesium shoe and upper guard for increased durability. The saw has a bevel capacity of 0-50 degrees, and it can cut through 2x dimensional lumber at 90 degrees and 1-5/8 inches at 45 degrees.

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Full specifications:

Feature	Specification
Motor	18-volt
RPM	3,700
Blade size	6-1/2 inches
Blade type	Carbide tipped
Bevel capacity	0-50 degrees
Depth of cut at 90 degrees	2-1/4 inches
Depth of cut at 45 degrees	1-5/8 inches
Weight	5.9 pounds

Features:

• 3,700 RPM motor for fast rip and cross cuts
• Carbide-tipped blade for long-lasting sharpness
• Magnesium shoe and upper guard for increased durability
• 0-50 degree bevel capacity
• Cuts through 2x dimensional lumber at 90 degrees and 1-5/8 inches at 45 degrees
• Dust blower keeps the work area clean
• LED light illuminates the cutting line
• E-Clutch prevents accidental starts
• Tool-free blade change

What's in the box:

• DeWalt DC390B cordless circular saw
• 6-1/2-inch carbide-tipped blade
• Hex wrench
• Owner's manual

The DeWalt DC390B is a powerful and versatile cordless circular saw that is ideal for a variety of woodworking projects. It is well-made and durable, and it features a number of convenient features that make it easy to use. If you are looking for a cordless circular saw that can handle even the toughest jobs, the DeWalt DC390B is a great option.

Here are some additional pros and cons of the DeWalt DC390B:

Pros:

• Powerful 3,700 RPM motor
• Carbide-tipped blade for long-lasting sharpness
• Magnesium shoe and upper guard for increased durability
• 0-50 degree bevel capacity
• Cuts through 2x dimensional lumber at 90 degrees and 1-5/8 inches at 45 degrees
• Dust blower keeps the work area clean
• LED light illuminates the cutting line
• E-Clutch prevents accidental starts
• Tool-free blade change

Cons:

• Can be top-heavy when cutting thin stock
• Lower half of the saw guard is made of plastic
• Does not come with battery or charger

Overall, the DeWalt DC390B is a great cordless circular saw that offers a lot of power and versatility. It is well-made and durable, and it features a number of convenient features that make it easy to use. If you are looking for a cordless circular saw that can handle even the toughest jobs, the DeWalt DC390B is a great option.

DeWalt DC390B Compare with Similar Item

a table comparing the DeWalt DC390B with similar items:

Feature	DeWalt DC390B	DeWalt DCS391B	DeWalt DCS512B	DeWalt DCS331B
Blade length	6.5 inches	6.5 inches	5.38 inches	3.8 inches
Weight	5.5 pounds	5.7 pounds	4.2 pounds	3.2 pounds
Maneuverability	Good	Good	Excellent	Excellent
Ergonomics	Good	Good	Excellent	Excellent
Accuracy	Good	Good	Excellent	Excellent
Value for money	Good	Excellent	Excellent	Excellent
Power source	Battery powered	Battery powered	Battery powered	Battery powered
Speed	3700 rpm	460 MWO	3000 rpm	3000 rpm
Blade material	High Speed Steel	High Speed Steel	High Speed Steel	High Speed Steel
Number of teeth	60	60	40	32
Included components	Bare tool	Bare tool	Bare tool	Bare tool

As you can see, the DeWalt DC390B is a good all-around circular saw. It's lightweight and maneuverable, making it easy to use for a variety of tasks. It's also accurate and powerful, making it a good choice for both professional and DIY users.

The DeWalt DCS391B is a more powerful option, with a higher blade speed and more teeth. This makes it a better choice for cutting through thicker materials. However, it's also heavier and less maneuverable.

The DeWalt DCS512B is a smaller and lighter option, making it a good choice for users who need a more compact circular saw. However, it's also less powerful and less accurate than the other two saws.

The DeWalt DCS331B is a jigsaw, not a circular saw. However, it's included in the table because it's a similar product from DeWalt. The DCS331B is a good choice for users who need a saw for intricate cuts.

Ultimately, the best circular saw for you will depend on your individual needs and preferences. If you're looking for a lightweight and maneuverable saw that's good for a variety of tasks, the DeWalt DC390B is a good option. If you need a more powerful saw for cutting through thicker materials, the DeWalt DCS391B is a better choice. And if you're looking for a compact saw for intricate cuts, the DeWalt DCS512B is a good option.

DeWalt DC390B Pros/Cons and My Thought

Here is a comprehensive review of the DeWalt DC390B cordless drill, including pros, cons, user reviews, and my thoughts:

Pros:

• Powerful motor with 20V MAX output
• Compact and lightweight design for easy handling
• 2-speed transmission with 0-550 and 0-1,700 RPM speeds
• 20+1 clutch settings for precise control
• LED work light for improved visibility in low-light conditions
• Long-lasting battery life
• Durable construction

Cons:

• No belt clip
• No carrying case
• Pricey

User reviews:

• Positive:
  • "This drill is powerful and easy to use. It's perfect for small projects around the house."
  • "I love the 2-speed transmission. It gives me the flexibility to use the drill for a variety of tasks."
  • "The LED work light is a lifesaver. It's great for working in dark areas."
• Negative:
  • "I wish it came with a belt clip or carrying case."
  • "It's a little pricey, but I think it's worth it for the power and performance."

My thoughts:

Overall, the DeWalt DC390B is a great cordless drill. It's powerful, easy to use, and has a long-lasting battery life. The only downsides are the lack of a belt clip or carrying case, and the high price. However, if you're looking for a powerful and versatile drill, the DC390B is a great option.

Here are some additional thoughts on the DeWalt DC390B:

• The 2-speed transmission is a great feature. It allows you to choose the right speed for the task at hand, whether you're driving screws or drilling holes.
• The LED work light is a lifesaver. It's especially helpful when you're working in dark areas.
• The battery life is long-lasting. I've been able to use the drill for several projects without having to recharge the battery.
• The price is a bit high, but I think it's worth it for the power and performance of the drill.

Overall, I'm very impressed with the DeWalt DC390B. It's a powerful and versatile drill that's perfect for a variety of tasks. If you're looking for a new cordless drill, I highly recommend the DC390B.

DeWalt DC390B Where To Buy

some places where you can buy the DeWalt DC390B and spare parts:

• DeWalt Direct: This is the official website of DeWalt, so you can be sure that you are buying genuine parts. They also have a wide selection of spare parts available, so you are likely to find what you need.
• Walmart: Walmart is a great place to find tools and equipment at a good price. They often have sales on DeWalt products, so you can save some money.
• Amazon: Amazon is another great place to find DeWalt products. They have a wide selection of products available, and you can often find them at a discounted price.
• Best Buy: Best Buy is a good option if you are looking for a brick-and-mortar store to buy your DeWalt products. They have a wide selection of products available, and their staff can help you find the right product for your needs.
• Lowes: Lowe's is another good option for brick-and-mortar stores. They have a wide selection of DeWalt products available, and their staff can help you find the right product for your needs.
• eBay: eBay is a good option if you are looking for a used DeWalt product or a spare part that is no longer available from the manufacturer. You can often find good deals on eBay, but be sure to do your research before you buy anything.

I hope this helps!

DeWalt DC390B Problems and Solutions

The DeWalt DC390B is a cordless drill that is known for its power and durability. However, like any tool, it can experience problems from time to time. Here are some of the most common issues with the DC390B and how to fix them:

Problem: The drill won't turn on. Solution: Check the battery to make sure it is charged. If the battery is charged, try cleaning the battery contacts. If the drill still won't turn on, you may need to replace the battery.

Problem: The drill is not drilling as fast as it used to. Solution: Check the chuck to make sure it is tightened properly. If the chuck is tightened properly, the drill may need to be lubricated. You can use a light oil to lubricate the drill.

Problem: The drill is making a strange noise. Solution: This could be a sign of a problem with the motor. If the noise is loud or continuous, you should stop using the drill and take it to a qualified technician.

Problem: The drill is not driving screws as well as it used to. Solution: Check the drill bits to make sure they are sharp. If the drill bits are sharp, you may need to adjust the clutch. The clutch is a mechanism that prevents the drill from overdriving screws.

Problem: The drill is overheating. Solution: This is usually a sign that the drill is being used too heavily. Allow the drill to cool down before using it again. If the drill continues to overheat, you may need to replace the motor.

These are just some of the most common problems with the DeWalt DC390B. If you are experiencing any of these problems, you should try the solutions listed above. If the problems persist, you may need to take the drill to a qualified technician.

Here are some additional tips to help you keep your DeWalt DC390B in good working order:

• Always use the correct drill bits for the job.
• Do not overload the drill.
• Allow the drill to cool down before storing it.
• Clean the drill regularly.
• Lubricate the drill as needed.

By following these tips, you can help to ensure that your DeWalt DC390B will last for many years to come.

DeWalt DC390B Manual

DeWalt DC390B Cordless Circular Saw

Safety Information

• Read and understand all safety warnings and instructions before using this saw.
• Do not use this saw if it is damaged or malfunctioning.
• Wear safety glasses and hearing protection when using this saw.
• Keep hands and body away from the blade at all times.
• Do not saw wet or oily materials.
• Do not overload the saw.
• Allow the saw to cool down before storing it.

Before Use

• Make sure the saw is turned off and the battery is removed before changing the blade.
• Use only carbide-tipped blades that are the correct size and type for this saw.
• Tighten the blade guard before using the saw.
• Set the bevel angle to the desired setting before starting the saw.

Troubleshooting

• If the saw does not start, make sure the battery is charged and properly inserted.
• If the saw is running but the blade is not spinning, check the blade for damage or obstructions.
• If the saw is making strange noises, stop using it immediately and contact DeWalt for service.

Maintenance

• Clean the saw after each use with a dry cloth.
• Lubricate the saw's moving parts with a light oil every few months.
• Replace the blade every 6-12 months, or sooner if it becomes damaged.

Warranty

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

Contact Information

DeWalt 701 East Joppa Road Baltimore, MD 21286

Phone: 1-800-433-9258 Email: [email protected] Website: www.dewalt.com

Additional Information

• The saw's bevel capacity is 0-50 degrees.
• The saw's cutting depth is 1.625 inches at 90 degrees and 1.25 inches at 45 degrees.
• The saw's maximum speed is 3,700 RPM.
• The saw's weight is 6.3 pounds.

Safety Alert

This saw is a powerful tool and can be dangerous if not used properly. Always follow the safety instructions and warnings in this manual to avoid serious injury.