Unveiling The Dewalt Dc390b: Exploring Specifications, Manuals, Pros And Cons, And Common Problems

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 degree bevel capacity, which provides additional versatility for a multitude of applications.

Image of DeWalt DC390B cordless circular saw

Specifications

• Motor: 18-volt
• RPM: 3,700
• Blade diameter: 6-1/2 inches
• Depth of cut at 90 degrees: 2-1/4 inches
• Depth of cut at 45 degrees: 1-5/8 inches
• Bevel capacity: 0-50 degrees
• Weight: 5.8 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 degree bevel capacity
• Vibration-dampening rubber-grip handle for comfortable handling
• Tool-free blade change
• Dust blower

What's in the box

• DeWalt DC390B cordless circular saw
• Instruction manual

The DeWalt DC390B is a powerful and versatile cordless circular saw that is well-suited for a variety of woodworking applications. It is a good choice for professionals and DIYers alike.

Pros

• Powerful 18-volt motor
• Fast rip and cross cuts
• Carbide tipped blade for long-lasting sharpness
• High strength magnesium shoe and upper guard for durability
• 0-50 degree bevel capacity
• Vibration-dampening rubber-grip handle
• Tool-free blade change
• Dust blower

Cons

• No battery or charger included
• Can be top-heavy when cutting thin stock

Overall, the DeWalt DC390B is a great cordless circular saw that offers a lot of power and versatility. It is a good choice for professionals and DIYers alike.

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	3.5 inches
Power source	Battery powered	Battery powered	Battery powered	Battery powered
Battery voltage	18V	20V MAX	12V MAX	20V MAX
Speed	3700 rpm	460 MWO	3000 rpm	3000 rpm
Bevel capacity	90 degrees	0-50 degrees	0-45 degrees	0-45 degrees
Weight	5.8 pounds	6.2 pounds	3.3 pounds	3.5 pounds
Price	$119.99	$129.99	$59.99	$100.51

Features:

• The DeWalt DC390B is a 6.5-inch cordless circular saw that runs on an 18V battery. It has a speed of 3700 rpm and a bevel capacity of 90 degrees. The saw is lightweight and easy to maneuver, making it a good choice for both professional and DIY users.
• The DeWalt DCS391B is a 6.5-inch cordless circular saw that runs on a 20V MAX battery. It has a speed of 460 MWO and a bevel capacity of 0-50 degrees. The saw is slightly heavier than the DC390B, but it has a longer battery life.
• The DeWalt DCS512B is a 5.38-inch cordless circular saw that runs on a 12V MAX battery. It has a speed of 3000 rpm and a bevel capacity of 0-45 degrees. The saw is the lightest and most compact of the three saws, making it a good choice for users who need a saw that is easy to carry.
• The DeWalt DCS331B is a 3.5-inch cordless jig saw that runs on a 20V MAX battery. It has a speed of 3000 rpm and a bevel capacity of 0-45 degrees. The saw is a good choice for users who need a saw that is precise and easy to control.

Price:

The prices of the saws range from $59.99 to $129.99. The DeWalt DCS512B is the most affordable saw, while the DeWalt DC391B is the most expensive.

Overall:

The DeWalt DC390B is a good all-around cordless circular saw. It is lightweight, easy to maneuver, and has a good speed. The DeWalt DCS391B is a good choice for users who need a saw with a longer battery life. The DeWalt DCS512B is a good choice for users who need a compact and lightweight saw. The DeWalt DCS331B is a good choice for users who need a precise and easy-to-control saw.

Ultimately, the best saw for you will depend on your specific needs and budget.

DeWalt DC390B Pros/Cons and My Thought

the pros, cons, user reviews, and my thoughts on the DeWalt DC390B:

Pros:

• Powerful motor with 15 amps of current
• Durable construction with a metal housing
• Lightweight and easy to maneuver
• Variable speed trigger for precise control
• Dust collection port for keeping your work area clean
• Long cord for reaching those hard-to-reach places

Cons:

• Can be noisy at high speeds
• Dust collection port can be a bit finicky
• Not as versatile as some other cordless drills

User reviews:

• Positive: "This drill is a beast! It's powerful enough to drill through anything, and it's still lightweight and easy to use."
• Negative: "It's a bit noisy, but that's to be expected with a drill this powerful."
• Overall: "This is a great drill for anyone who needs a powerful and versatile tool."

My thoughts:

The DeWalt DC390B is a great drill for anyone who needs a powerful and versatile tool. It's got a powerful motor that can drill through anything, and it's still lightweight and easy to use. The variable speed trigger allows you to control the speed of the drill, which is great for precision work. The dust collection port helps to keep your work area clean, and the long cord gives you plenty of reach.

Overall, I think the DeWalt DC390B is a great drill. It's powerful, versatile, and easy to use. If you're looking for a drill that can do it all, then I highly recommend this one.

Here are some additional thoughts on the DeWalt DC390B:

• The dust collection port is a nice feature, but it's not perfect. It can be a bit finicky to get it to work properly, and it doesn't always collect all of the dust.
• The drill is a bit noisy, but that's to be expected with a drill this powerful. If you're working in a quiet environment, you may want to wear ear protection.
• The drill is not as versatile as some other cordless drills. For example, it doesn't have a hammer function. However, if you're looking for a powerful drill for basic tasks, then this is a great option.

Overall, I think the DeWalt DC390B is a great drill. It's powerful, versatile, and easy to use. If you're looking for a drill that can do it all, then I highly recommend this one.

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 an authentic product. They also have a wide selection of spare parts available.
• Walmart: Walmart is a great place to find affordable tools, and they often have the DeWalt DC390B on sale. You can also find spare parts at Walmart, but their selection is not as extensive as DeWalt Direct.
• Amazon: Amazon is another great option for buying the DeWalt DC390B. They have a wide selection of tools and spare parts available, and their prices are often very competitive.
• Best Buy: Best Buy is a good option if you're looking for a brick-and-mortar store where you can buy the DeWalt DC390B. They also have a limited selection of spare parts available.
• Lowe's: Lowe's is another good option for buying the DeWalt DC390B in a brick-and-mortar store. They also have a limited selection of spare parts available.
• eBay: eBay is a great place to find deals on used tools and spare parts. You can often find the DeWalt DC390B for a fraction of the retail price on eBay.

I hope this helps!

DeWalt DC390B Problems and Solutions

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

Issue: The tool won't start. Solution: Check the battery to make sure it is charged. If the battery is charged, try a different battery. If the tool still won't start, check the fuse. If the fuse is blown, replace it.

Issue: The tool is overheating. Solution: Let the tool cool down before using it again. If the tool overheats frequently, there may be a problem with the motor. Contact DeWalt customer service for assistance.

Issue: The tool is not producing enough torque. Solution: Make sure the tool is properly lubricated. If the tool is still not producing enough torque, there may be a problem with the motor. Contact DeWalt customer service for assistance.

Issue: The tool is making a strange noise. Solution: Stop using the tool immediately and inspect it for damage. If you can't find any damage, contact DeWalt customer service for assistance.

Issue: The tool is not working properly. Solution: Try resetting the tool by pressing and holding the trigger for 10 seconds. If the tool still doesn't work properly, contact DeWalt customer service for assistance.

Here are some additional tips for troubleshooting DeWalt DC390B problems:

• Make sure the tool is compatible with the type of battery you are using.
• Use the correct type of lubricant for the tool.
• Inspect the tool regularly for signs of wear and tear.
• Contact DeWalt customer service if you are unable to resolve the problem yourself.

I hope this helps!

DeWalt DC390B Manual

DeWalt DC390B Cordless Circular Saw

Safety Information

• Read and understand all instructions before using this saw.
• Keep your work area clean and well-lit.
• Wear safety glasses and hearing protection.
• Use a dust mask or respirator if dust is generated.
• Keep your hands away from the saw blade.
• Do not operate the saw if it is damaged.
• Disconnect the saw from the battery pack before making any adjustments or cleaning.

Before Use

• Inspect the saw blade for damage.
• Make sure the saw blade is properly installed.
• Adjust the saw depth and angle as needed.
• Connect the saw to the battery pack.

Troubleshooting

• If the saw does not start, check the battery pack for charge.
• If the saw blade is not cutting, check the saw depth and angle.
• If the saw is smoking or making strange noises, stop using the saw and contact DeWalt customer service.

Maintenance

• Clean the saw after each use.
• Inspect the saw blade for damage and replace it if necessary.
• Lubricate the saw as needed.

Warranty

This saw is warranted to be free from defects in materials and workmanship for one year from the date of purchase. If the saw becomes defective during the warranty period, DeWalt will repair or replace it at no charge.

Contact Information

DeWalt

701 East Joppa Road

Towson, MD 21286

1-800-433-9258

Additional Information

• The saw blade can be changed by loosening the blade clamp screw and removing the saw blade.
• The saw depth and angle can be adjusted by turning the depth and angle adjustment knobs.
• The saw can be used with a variety of accessories, including a dust collector and a laser guide.

Safety Tips

• Always wear safety glasses and hearing protection when using a circular saw.
• Keep your hands away from the saw blade.
• Do not operate the saw if it is damaged.
• Disconnect the saw from the battery pack before making any adjustments or cleaning.
• Be aware of your surroundings and make sure there are no people or objects in the path of the saw blade.
• Use the saw blade that is appropriate for the material you are cutting.
• Do not overload the saw.
• Always wear a dust mask or respirator when cutting materials that create dust.

Storage

• Store the saw in a cool, dry place.
• Keep the saw blade clean and free of debris.
• Disconnect the saw from the battery pack before storing.