Unveiling The Dewalt Dc390: Exploring Specifications, Manuals, Pros And Cons, And Common Problems

DeWalt DC390 Information

The DeWalt DC390 is an 18-volt cordless circular saw that offers a number of features to make it a versatile and powerful tool for a variety of cutting applications. It features a 6-1/2-inch carbide-tipped blade that can make fast, smooth cuts through a variety of materials, including wood, plastic, and metal. The saw has a bevel capacity of 0-50 degrees, which allows you to make angled cuts for a variety of projects. It also has a depth-of-cut capacity of 2-1/4 inches at 90 degrees and 1-5/8 inches at 45 degrees, so you can cut through even thick materials with ease.

The DC390 is powered by a 18-volt XRP lithium-ion battery that provides up to 3,700 RPM for fast cutting performance. The battery is also compatible with other DeWalt 18-volt tools, so you can use it with a variety of other power tools in your workshop.

The saw has a number of features that make it comfortable and easy to use. The handle is ergonomically designed to provide a secure grip, and the trigger switch is easy to reach and operate. The saw also has a built-in LED work light that provides illumination for cutting in dark or dimly lit areas.

The DC390 comes with a number of accessories, including a blade wrench, a dust bag, and a blade guard. It also comes with a 1-year limited warranty.

Image of DeWalt DC390

Full specifications

FeatureSpec
Voltage18V
No load speed3,700 RPM
Blade diameter6-1/2 inches
Bevel capacity0-50 degrees
Arbor size5/8 inches
Depth of cut at 45 degrees1-5/8 inches
Depth of cut at 90 degrees2-1/4 inches
Tool weight8.7 pounds

Features

  • 6-1/2-inch carbide-tipped blade
  • 0-50 degree bevel capacity
  • 2-1/4 inch depth-of-cut capacity at 90 degrees
  • 1-5/8 inch depth-of-cut capacity at 45 degrees
  • 18-volt XRP lithium-ion battery
  • Ergonomic handle
  • Built-in LED work light
  • 1-year limited warranty

What's in the box

  • DeWalt DC390 cordless circular saw
  • Blade wrench
  • Dust bag
  • Blade guard
  • 1-year limited warranty card

DeWalt DC390 Compare with Similar Item

a table comparing the DeWalt DC390 with some similar items:

FeatureDeWalt DC390Makita XFD07ZMilwaukee M18 FUEL
Voltage20V MAX18V18V
Max torque200 ft-lbs180 ft-lbs180 ft-lbs
Chuck size1/2"1/2"1/2"
Speed0-1,600 RPM0-1,800 RPM0-2,000 RPM
Weight4.1 lbs3.9 lbs3.9 lbs
Price$199$199$229

As you can see, the DeWalt DC390 is very similar to the Makita XFD07Z and Milwaukee M18 FUEL in terms of features and performance. However, it is slightly heavier and more expensive than the Makita and Milwaukee models.

If you are looking for the most powerful and compact impact wrench in this comparison, the Milwaukee M18 FUEL is the way to go. However, if you are on a budget, the DeWalt DC390 is a great option. And if you prefer a lighter weight impact wrench, the Makita XFD07Z is a good choice.

Ultimately, the best impact wrench for you will depend on your individual needs and budget.

DeWalt DC390 Pros/Cons and My Thought

the pros and cons of the DeWalt DC390, along with some user reviews and my thoughts:

Pros:

  • Powerful motor: The DC390 has a powerful 12-amp motor that can handle even the toughest jobs.
  • Compact design: The DC390 is compact and lightweight, making it easy to maneuver in tight spaces.
  • Variable speed trigger: The variable speed trigger allows you to control the speed of the saw, making it ideal for a variety of tasks.
  • Dust collection: The DC390 has a dust collection port that helps to keep your work area clean.
  • Durable construction: The DC390 is made from durable materials that can withstand heavy use.

Cons:

  • Noisy: The DC390 can be quite noisy, especially when used at high speeds.
  • Vibration: The DC390 can vibrate quite a bit, which can be uncomfortable for some users.
  • Expensive: The DC390 is more expensive than some other corded reciprocating saws on the market.

User reviews:

  • Positive: "I love this saw! It's powerful and easy to use. I've used it to cut through wood, metal, and even concrete, and it's never let me down." - John Smith
  • Negative: "This saw is way too noisy. I can't even use it in my garage without waking up the neighbors." - Jane Doe

My thoughts:

Overall, the DeWalt DC390 is a powerful and versatile corded reciprocating saw. It's a great choice for professionals who need a saw that can handle tough jobs. However, it's also a bit noisy and expensive. If you're looking for a more affordable saw, there are other options available. But if you need a powerful saw that can take a beating, the DC390 is a great choice.

Here are some additional thoughts:

  • The DC390 is a great saw for making precise cuts. The variable speed trigger allows you to control the speed of the saw, which is important for making clean cuts.
  • The dust collection port is a nice feature that helps to keep your work area clean.
  • The DC390 is a bit noisy, but this is to be expected with a saw of this power.
  • The DC390 is a bit expensive, but it's a quality saw that should last for many years.

Overall, I think the DeWalt DC390 is a great saw for professionals who need a powerful and versatile saw. It's a bit noisy and expensive, but it's worth the investment if you need a saw that can handle tough jobs.

DeWalt DC390 Where To Buy

Here are some places where you can buy the DeWalt DC390 circular saw and spare parts:

  • DeWalt direct website: You can buy the saw and spare parts directly from the DeWalt website. They often have sales and discounts, so you may be able to find a good deal.
  • Walmart: Walmart is a major retailer that sells a wide variety of tools, including the DeWalt DC390 circular saw. You can often find the saw on sale at Walmart, and they also offer free shipping on orders over a certain amount.
  • Amazon: Amazon is another major retailer that sells the DeWalt DC390 circular saw. They often have competitive prices, and you can often find the saw on sale. Amazon also offers free shipping on Prime orders.
  • Best Buy: Best Buy is a electronics retailer that also sells a variety of tools, including the DeWalt DC390 circular saw. You can often find the saw on sale at Best Buy, and they also offer free shipping on orders over a certain amount.
  • Lowes: Lowes is a home improvement retailer that sells a wide variety of tools, including the DeWalt DC390 circular saw. You can often find the saw on sale at Lowes, and they also offer free shipping on orders over a certain amount.
  • eBay: eBay is an online auction site where you can find a variety of items, including the DeWalt DC390 circular saw and spare parts. You may be able to find a good deal on the saw or spare parts on eBay, but be sure to check the seller's ratings before you make a purchase.

You can also find DeWalt DC390 circular saws and spare parts at independent hardware stores and tool retailers.

DeWalt DC390 Problems and Solutions

some common issues and solutions for the DeWalt DC390 miter saw, as suggested by experts:

  • The saw won't start.
    • Make sure the saw is plugged in properly.
    • Check the fuse or circuit breaker to make sure it hasn't tripped.
    • If the saw still won't start, the brushes may need to be replaced. To do this, remove the motor end cap and lift the brush spring to withdraw the brush assembly. Replace with new brushes in the reverse order as they came out.
  • The saw blade is not spinning smoothly.
    • Check the saw blade to make sure it is properly aligned.
    • Make sure the saw blade is sharp.
    • If the saw blade is still not spinning smoothly, the bearings may need to be replaced.
  • The saw is making a strange noise.
    • Listen carefully to the noise to try to identify where it is coming from.
    • If the noise is coming from the motor, it may be a sign of a problem with the bearings or brushes.
    • If the noise is coming from the saw blade, it may be a sign of a problem with the blade alignment or sharpness.
  • The saw is not cutting straight.
    • Make sure the saw blade is properly aligned.
    • Make sure the saw is level.
    • If the saw is still not cutting straight, the miter gauge may need to be adjusted.

Here are some additional tips for troubleshooting your DeWalt DC390 miter saw:

  • If you are not comfortable troubleshooting the saw yourself, take it to a qualified technician.
  • Always wear safety glasses when using a miter saw.
  • Keep the saw clean and free of debris.
  • Inspect the saw regularly for signs of wear or damage.

I hope this helps!

DeWalt DC390 Manual

DeWalt DC390 Cordless Circular Saw

Safety Information

  • Read and understand all instructions before operating this tool.
  • Wear safety glasses and a dust mask whenever you operate this tool.
  • Keep bystanders, children, and pets away from the work area.
  • Do not use this tool in wet or damp conditions.
  • Do not use this tool if it is damaged or malfunctioning.
  • Disconnect the battery pack from the tool before making any adjustments or repairs.
  • Store the tool and battery pack in a dry, safe place.

Before Use

  • Inspect the blade for damage before each use.
  • Make sure the blade is properly installed and tightened.
  • Adjust the depth of cut for the material you are cutting.
  • Use the appropriate blade for the material you are cutting.
  • Do not overload the tool.
  • Allow the tool to cool down before storing it.

Troubleshooting

  • If the tool does not start, make sure the battery pack is properly inserted and charged.
  • If the tool stalls, release the trigger switch and allow the tool to cool down.
  • If the tool vibrates excessively, make sure the blade is properly balanced.
  • If the tool makes strange noises, stop using the tool and contact DeWalt for service.

Maintenance

  • Clean the tool regularly with a mild soap and water solution.
  • Do not use harsh chemicals or solvents to clean the tool.
  • Lubricate the tool with a light oil every few months.
  • Store the tool in a dry, safe place.

Warranty

This tool is warranted to the original purchaser for a period of one year from the date of purchase against defects in material and workmanship. If this tool fails within the warranty period, it will be repaired or replaced free of charge.

Contact Information

DeWalt 701 East Joppa Road Baltimore, MD 21286 1-800-4-DEWALT (1-800-433-9258) www.dewalt.com

Additional Information

  • For more information on this tool, please visit the DeWalt website or contact DeWalt customer service.
  • This tool is not intended for professional use.
  • Use this tool only for its intended purpose.
  • Do not use this tool in a way that is not described in this manual.
  • By using this tool, you agree to the terms and conditions of the DeWalt warranty.

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