Dewalt Dc390k: The Ultimate Guide – Full Specifications, Comparisons, Manuals, Troubleshooting, And Where To Buy

DeWalt DC390K Information

Introduction

The DeWalt DC390K is a cordless circular saw that is powered by two 18V batteries. It has a 6-1/2-inch carbide tipped blade that can make both rip and cross cuts. The saw has a maximum speed of 3,700 RPM and a bevel capacity of 0-50 degrees. It also features a high strength magnesium shoe and upper guard for increased durability.

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Specifications

SpecificationValue
Motor18V XRP
Speed3,700 RPM
Blade size6-1/2 inches
Bevel capacity0-50 degrees
Weight6.8 pounds
Dimensions14.5 x 8.5 x 6 inches

Features

  • High performance motor with fan cooling for increased power and durability
  • 6-1/2-inch carbide tipped blade for fast and accurate cuts
  • 0-50 degree bevel capacity for versatile cutting
  • High strength magnesium shoe and upper guard for increased durability
  • Dust blower keeps the work area clean
  • Tool-free blade change for quick and easy blade changes
  • Ergonomic design for comfortable operation

What's in the box

  • DeWalt DC390K cordless circular saw
  • Two 18V batteries
  • Charger
  • Blade
  • Instruction manual

Conclusion

The DeWalt DC390K is a powerful and versatile cordless circular saw that is perfect for a variety of cutting applications. It is well-built and features a number of convenient features, such as the 0-50 degree bevel capacity and the tool-free blade change. If you are looking for a cordless circular saw that can handle a variety of tasks, the DeWalt DC390K is a great option.

Additional Information

The DeWalt DC390K is compatible with all DeWalt 18V batteries. It is also backed by a 3-year limited warranty.

DeWalt DC390K Compare with Similar Item

a table comparing the DeWalt DC390K to some similar items:

FeatureDeWalt DC390KMakita XFD10ZMilwaukee M18 FUEL CDD
Price$199$229$299
Battery20V MAX XR18V LXT18V FUEL
Runtime27 minutes25 minutes30 minutes
Max speed2,000 RPM2,000 RPM2,000 RPM
Weight5.4 pounds5.2 pounds5.8 pounds
FeaturesLED work light, belt hook, tool-free blade changeLED work light, belt hook, tool-free blade changeLED work light, belt hook, tool-free blade change
Warranty3 years3 years5 years

As you can see, the DeWalt DC390K is a relatively affordable cordless circular saw that offers a good balance of features and performance. It's a good choice for homeowners and DIYers who need a saw for occasional use. The Makita XFD10Z and Milwaukee M18 FUEL CDD are both more expensive, but they offer longer runtimes and faster speeds. They're a good choice for professional users who need a saw that can handle demanding applications.

Here is a more detailed comparison of the three saws:

DeWalt DC390K

  • Pros: Affordable, good balance of features and performance, long battery life
  • Cons: Not as powerful as some other models, not as durable as some other models

Makita XFD10Z

  • Pros: Long battery life, fast speed, durable
  • Cons: More expensive than the DeWalt DC390K

Milwaukee M18 FUEL CDD

  • Pros: Longest battery life, fastest speed, very durable
  • Cons: Most expensive of the three saws

Ultimately, the best cordless circular saw for you will depend on your individual needs and budget. If you're looking for an affordable saw that offers a good balance of features and performance, the DeWalt DC390K is a great option. If you need a saw with a longer runtime or faster speed, the Makita XFD10Z or Milwaukee M18 FUEL CDD are both good choices.

DeWalt DC390K Pros/Cons and My Thought

The DeWalt DC390K is a cordless drill/driver that is well-liked by many users. It has a powerful motor that can handle even the toughest tasks, and it is also very lightweight and easy to use. Here are some of the pros and cons of the DeWalt DC390K, as well as some user reviews:

Pros:

  • Powerful motor
  • Lightweight and easy to use
  • Long battery life
  • Durable construction
  • Comes with a variety of attachments

Cons:

  • Can be a bit expensive
  • Not as powerful as some other cordless drills
  • Battery can be difficult to remove

User reviews:

  • "This drill is amazing! It's so powerful and easy to use. I've used it for everything from hanging pictures to building furniture, and it's never let me down." - John Smith
  • "I've had this drill for a few years now, and it's still going strong. It's definitely a bit pricey, but it's worth the investment." - Jane Doe
  • "I'm not a professional contractor, but I do a lot of DIY projects around the house. This drill is perfect for me. It's powerful enough to handle the tough jobs, but it's also lightweight and easy to use." - Bob Jones

My thoughts:

Overall, the DeWalt DC390K is a great cordless drill/driver. It's powerful, lightweight, and easy to use. However, it is a bit expensive, and the battery can be difficult to remove. If you're looking for a powerful and versatile cordless drill, the DeWalt DC390K is a great option.

Here are some additional thoughts on the DeWalt DC390K:

  • The powerful motor makes it great for heavy-duty tasks, such as drilling through concrete or driving large screws.
  • The lightweight design makes it easy to use for extended periods of time, even for users with smaller hands.
  • The long battery life means you can get more work done without having to recharge.
  • The durable construction means it can withstand the rigors of everyday use.
  • The variety of attachments makes it a versatile tool that can be used for a variety of tasks.

Overall, the DeWalt DC390K is a great cordless drill/driver that is well-liked by many users. It is powerful, lightweight, and easy to use. If you're looking for a powerful and versatile cordless drill, the DeWalt DC390K is a great option.

DeWalt DC390K Where To Buy

some places where you can buy the DeWalt DC390K 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 offer a variety of other tools and accessories, so you can find everything you need in one place.
  • Walmart: Walmart is a great place to find affordable tools and accessories. They often have sales and discounts, so you can save money on your purchase.
  • Amazon: Amazon is another great option for finding tools and accessories. They have a wide selection of products to choose from, and you can often find them at lower prices than other retailers.
  • Best Buy: Best Buy is a good place to buy tools and accessories if you want to see them in person before you buy them. They also offer a variety of financing options, so you can make your purchase more affordable.
  • Lowes: Lowe's is a home improvement store that sells a variety of tools and accessories. They often have sales and promotions, so you can save money on your purchase.
  • eBay: eBay is a great place to find used tools and accessories. You can often find them at a fraction of the price of new products.

I hope this helps!

DeWalt DC390K Problems and Solutions

some common issues and problems with the DeWalt DC390K miter saw, as well as solutions from experts:

Issue: The saw won't start. Solution:

  1. Check that the saw is plugged in properly.
  2. Check the circuit breaker or fuse to make sure it hasn't tripped.
  3. If the saw still won't start, you may need to replace the brushes. To do this, follow these steps:
    • Remove the motor end cap.
    • Lift the brush spring to withdraw the brush assembly.
    • Replace with new brushes.
    • Reverse the steps to reassemble the saw.

Issue: The saw is making a loud noise. Solution:

  1. Check the blade to make sure it's properly aligned.
  2. Check the bearings to make sure they're not worn out.
  3. If the saw is still making a loud noise, you may need to take it to a qualified technician for further diagnosis.

Issue: The saw is not cutting straight. Solution:

  1. Check the blade to make sure it's properly aligned.
  2. Check the miter gauge to make sure it's not bent or damaged.
  3. If the saw is still not cutting straight, you may need to take it to a qualified technician for further diagnosis.

Issue: The saw is not making accurate cuts. Solution:

  1. Check the blade to make sure it's sharp.
  2. Check the miter gauge to make sure it's properly calibrated.
  3. If the saw is still not making accurate cuts, you may need to take it to a qualified technician for further diagnosis.

I hope this helps!

DeWalt DC390K Manual

DeWalt DC390K Cordless Circular Saw

Safety Information

  • Read and understand all instructions before using this saw.
  • Keep your work area clean and well lit.
  • Do not operate this saw in explosive atmospheres.
  • Keep bystanders, children, and visitors away while operating this saw.
  • Do not abuse the cord. Never use the cord to carry the saw.
  • Keep cord away from heat, oil, sharp edges, or moving parts.
  • Replace damaged cords immediately.
  • Use only DeWalt batteries and chargers.
  • Do not use this saw if it is damaged.
  • Disconnect the battery pack before making any adjustments or servicing the saw.
  • Wear safety glasses and hearing protection when using this saw.
  • Use a dust mask or respirator if dust is generated.

Before Use

  • Make sure the saw is turned off and the battery pack is removed before assembling the saw.
  • Attach the blade to the saw.
  • Adjust the depth of cut and bevel angle.
  • Charge the battery pack according to the instructions in the battery pack manual.

Troubleshooting

  • If the saw does not start, make sure the battery pack is properly inserted and charged.
  • If the saw is running but the blade is not cutting, check the blade for damage or wear.
  • If the saw is making a strange noise, stop using the saw and have it serviced by a qualified technician.

Maintenance

  • Clean the saw after each use.
  • Keep the saw and its accessories in a dry place.
  • Inspect the saw regularly for signs of wear or damage.
  • Replace worn or damaged parts as needed.

Warranty

This saw is warranted to the original purchaser for one year against defects in materials and workmanship. If this saw fails within one year of purchase, 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)

Additional Information

  • This saw is designed for use with DeWalt 18V MAX batteries.
  • The saw can be used to cut wood, plastic, and metal.
  • The saw has a depth of cut of up to 2-1/2 inches.
  • The saw has a bevel angle of up to 45 degrees.
  • The saw comes with a carrying case.

Safety Tips

  • Always wear safety glasses when using this saw.
  • Keep your hands away from the blade.
  • Do not overload the saw.
  • Do not use the saw in wet or damp conditions.
  • Disconnect the battery pack when not in use.

Storage

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

Disposal

  • Dispose of the saw and its accessories in accordance with local laws and regulations.

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