Dewalt Dc390b: The Ultimate Guide – Full Specifications, Comparisons, Manuals, Troubleshooting, 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 high strength magnesium shoe and upper guard for increased durability. The saw also has a 0-50° bevel capacity for added versatility.

Image of DeWalt DC390B cordless circular saw

Specifications

• Blade diameter: 6-1/2 inches
• Depth of cut at 90°: 2-1/4 inches
• Depth of cut at 45°: 1-5/8 inches
• Bevel capacity: 0-50°
• Motor speed: 3,700 RPM
• Battery type: 18-volt
• Weight: 6.8 pounds

Features

• 3,700 RPM motor for fast rip and cross cuts
• Carbide tipped blade for long-lasting sharpness
• High strength magnesium shoe and upper guard for increased durability
• 0-50° bevel capacity for added versatility
• Fan-cooled motor with replaceable brushes for maximum power and durability
• Tool-free blade change
• Ejection spring for easy blade removal
• LED work light for improved visibility

What's in the box

• DeWalt DC390B cordless circular saw
• Instruction manual

The DeWalt DC390B is a versatile and powerful cordless circular saw that is perfect for a variety of woodworking tasks. 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 the tough jobs, the DeWalt DC390B is a great option.

Here is a table that summarizes the specifications of the DeWalt DC390B:

Specification	Value
Blade diameter	6-1/2 inches
Depth of cut at 90°	2-1/4 inches
Depth of cut at 45°	1-5/8 inches
Bevel capacity	0-50°
Motor speed	3,700 RPM
Battery type	18-volt
Weight	6.8 pounds

I hope this information is helpful. Please let me know if you have any other questions.

DeWalt DC390B Compare with Similar Item

a table comparing the DeWalt DC390B with three similar items:

Feature	DeWalt DC390B	DeWalt DCS391B	DeWalt DCS512B	DeWalt DCS331B
Blade size	6.5 inches	6.5 inches	5.38 inches	3.25 inches
Battery voltage	18V	20V MAX	12V MAX	20V MAX
No-load speed	3700 rpm	4600 rpm	3400 rpm	3000 rpm
Bevel angle	0-90 degrees	0-50 degrees	0-45 degrees	0-45 degrees
Weight	5.6 pounds	6.1 pounds	3.7 pounds	4.2 pounds
Price	$99.99	$108.94	$50.00	$100.51

As you can see, the DeWalt DC390B is a lightweight and affordable cordless circular saw. It has a 6.5-inch blade and a no-load speed of 3700 rpm. The saw can be used to make bevel cuts up to 90 degrees.

The DeWalt DCS391B is a more powerful cordless circular saw. It has a 20V MAX battery and a no-load speed of 4600 rpm. The saw can be used to make bevel cuts up to 50 degrees.

The DeWalt DCS512B is a smaller and more compact cordless circular saw. It has a 5.38-inch blade and a no-load speed of 3400 rpm. The saw can be used to make bevel cuts up to 45 degrees.

The DeWalt DCS331B is a cordless jig saw. It has a 3.25-inch blade and a no-load speed of 3000 rpm. The saw can be used to make a variety of cuts, including curves and angles.

Ultimately, the best cordless saw for you will depend on your specific needs and budget. If you are looking for a lightweight and affordable saw, the DeWalt DC390B is a good option. If you need a more powerful saw, the DeWalt DCS391B is a good choice. And if you are looking for a compact and versatile saw, the DeWalt DCS512B is a good option.

DeWalt DC390B Pros/Cons and My Thought

a 500-word summary of the DeWalt DC390B cordless drill, including pros, cons, user reviews, and my thoughts:

Pros:

• Powerful motor: The DC390B has a 1.5-amp motor that delivers up to 550 in-lbs of torque, making it a great choice for heavy-duty drilling tasks.
• Lightweight and compact design: The drill weighs just 3.5 pounds and is 12.5 inches long, making it easy to maneuver in tight spaces.
• 20+1 clutch settings: The clutch allows you to control the amount of torque applied, so you can avoid overdriving screws and damaging materials.
• LED work light: The LED work light illuminates your work area, making it easier to see what you're doing in low-light conditions.
• Long battery life: The drill comes with two 20V MAX batteries that provide up to 180 minutes of runtime.

Cons:

• No belt clip: The drill does not come with a belt clip, so you'll need to find a way to carry it if you need to have your hands free.
• No carrying case: The drill also does not come with a carrying case, so you'll need to purchase one separately if you want to protect it from damage.
• Pricey: The DC390B is a bit more expensive than some other cordless drills on the market.

User reviews:

Overall, user reviews of the DeWalt DC390B are very positive. Many users praise the drill's power, lightweight design, and long battery life. However, some users have complained about the lack of a belt clip and carrying case.

My thoughts:

The DeWalt DC390B is a great cordless drill for those who need a powerful and versatile tool. It's perfect for heavy-duty drilling tasks, and it's also lightweight and compact enough to be used in tight spaces. The only real downside is the lack of a belt clip and carrying case. However, if you're looking for a powerful and reliable cordless drill, the DC390B is a great option.

Here are some additional thoughts:

• The DC390B is a great choice for professionals who need a powerful and reliable cordless drill.
• The drill is also a good option for DIYers who need a drill for heavy-duty tasks.
• The DC390B is a bit more expensive than some other cordless drills on the market, but it's worth the investment if you need a powerful and reliable tool.

Overall, I would highly recommend the DeWalt DC390B cordless drill. It's a powerful, versatile, and reliable tool that's perfect for both professionals and DIYers.

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're getting genuine products. They have a wide selection of DeWalt tools and accessories, including the DC390B.
• Walmart: Walmart is a great place to find affordable tools and hardware. They usually have a good selection of DeWalt products, including the DC390B.
• Amazon: Amazon is another great option for finding DeWalt tools and spare parts. They have a huge selection of products, and you can often find good deals on Amazon.
• Best Buy: Best Buy is a good option if you're looking for a brick-and-mortar store to buy the DC390B. They usually have a good selection of DeWalt tools, and you can often get help from a knowledgeable salesperson.
• Lowes: Lowes is another good option for finding the DC390B in a brick-and-mortar store. They usually have a good selection of DeWalt tools, and you can often get help from a knowledgeable salesperson.
• eBay: eBay is a good option if you're looking for a used or refurbished DC390B. You can often find good deals on eBay, but you'll need to be careful to buy from a reputable seller.

I hope this helps!

DeWalt DC390B Problems and Solutions

some common issues and problems with the DeWalt DC390B and their solutions:

Issue: The drill won't start. Solution: Check the battery. Make sure that it is charged and properly inserted into the drill. If the battery is good, then the problem may be with the switch. Try cleaning the switch contacts with a contact cleaner. If that doesn't work, then the switch may need to be replaced.

Issue: The drill won't drill through a material. Solution: Make sure that the drill bit is sharp and the correct size for the material you are drilling. If the drill bit is dull or the wrong size, it will not be able to penetrate the material. You may also need to apply more pressure to the drill.

Issue: The drill overheats. Solution: Let the drill cool down before using it again. You may also want to use a lower speed setting. If the drill continues to overheat, then there may be a problem with the motor.

Issue: The drill vibrates too much. Solution: Make sure that the drill is properly balanced. If the drill is not balanced, it will vibrate too much. You may also want to use a different drill bit.

Issue: The drill chuck doesn't hold the bit securely. Solution: Tighten the chuck. If the chuck is still loose, then you may need to replace it.

Issue: The drill makes a strange noise. Solution: Stop using the drill immediately. There may be a problem with the motor or the bearings. If you continue to use the drill, you could damage it further.

I hope this helps!

DeWalt DC390B Manual

DeWalt DC390B Cordless Circular Saw

Safety Information

• Read and understand all safety warnings and instructions before using this saw.
• Keep your work area clean and well-lit.
• Do not use this saw in wet or damp conditions.
• Wear safety glasses and other appropriate personal protective equipment (PPE) when using this saw.
• Keep your hands away from the saw blade.
• Do not overload the saw.
• Allow the saw to cool down before storing it.

Before Use

• Inspect the saw before each use.
• Make sure the saw is properly assembled and that all the parts are in good condition.
• Check the battery level and charge the battery as needed.
• Choose the correct blade for the material you are cutting.
• Set the saw depth and bevel angle to the desired settings.

Troubleshooting

• If the saw does not start, check the battery level and make sure the battery is properly inserted.
• If the saw is overheating, allow it to cool down before using it again.
• If the saw blade is dull, replace it with a new blade.

Maintenance

• Keep the saw clean and free of debris.
• Inspect the saw blades regularly and replace them as needed.
• Lubricate the saw as instructed in the owner's manual.

Warranty

This saw is covered by a one-year limited warranty. If the saw malfunctions during the warranty period, it will be repaired or replaced free of charge.

Contact Information

For more information about this saw, please contact DeWalt customer service at:

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

Additional Information

• The saw blade can be changed by loosening the blade clamp and removing the old blade.
• The saw depth and bevel angle can be adjusted by turning the depth adjustment knob and the bevel adjustment knob.
• The saw can be used to cut wood, plastic, and metal.
• The saw comes with a carrying case for easy transportation.

Safety Precautions

• Always wear safety glasses when using this saw.
• Keep your hands away from the saw blade.
• Do not overload the saw.
• Allow the saw to cool down before storing it.
• Inspect the saw regularly and replace worn or damaged parts.

Storage

• Store the saw in a cool, dry place.
• Keep the saw out of the reach of children.

Disposal

• Dispose of the saw and batteries in accordance with local regulations.