Dewalt DWD520 Manual

The Dewalt DWD520 is a powerful 1/2-inch dual-speed hammer drill designed for heavy-duty applications. It features a 10-amp motor that delivers high performance and durability, making it ideal for drilling into wood, metal, and masonry. The drill offers a two-speed range (0-1,200 and 0-3,000 RPM) for versatility in various tasks. Below are key sections for safety, features, installation, setup, operation, and troubleshooting.

1. Features at a Glance 2. Installation 3. First-Time Setup 4. Specifications 5. Controls and Settings 6. Connecting Devices 7. Operating Instructions 8. Maintenance 9. Safety Information 10. Troubleshooting

Features at a Glance

Key components: 10-amp motor, dual-speed settings, 1/2-inch keyless chuck, and a side handle for added control.

Feature	Description
10-amp motor	Provides high performance for tough applications.
Dual-speed settings	Allows for versatility in drilling applications.
1/2-inch keyless chuck	Enables quick and easy bit changes.
Side handle	Offers additional control and stability during use.
Variable speed trigger	Provides precise control for different materials.

Installation

Unpack the drill and inspect for any damage. Ensure you have the necessary bits and accessories for your tasks.

Choose a suitable drill bit for your application.
Insert the bit into the keyless chuck and tighten securely.
Connect the drill to a power source.
Adjust the side handle for comfort and control.

WARNING! Always wear safety goggles and a dust mask when operating the drill.

First-Time Setup

Before using the drill, familiarize yourself with its controls and features.

Read the user manual thoroughly.
Check all components for proper function.
Practice using the drill on scrap material to get comfortable with the controls.

CAUTION! Ensure the drill is unplugged when changing bits.

Specifications

Motor: 10-amp.
Speed: Dual-speed (0-1,200 and 0-3,000 RPM).
Chuck Size: 1/2-inch keyless.
Weight: 5.5 lbs.
Power Source: Corded electric.
Dimensions: 12 x 10 x 4 inches.

Controls and Settings

The drill features a variable speed trigger, a forward/reverse switch, and a mode selector for hammer or drill mode.

Trigger: Controls the speed and power of the drill.

Forward/Reverse Switch: Allows for easy switching between drilling and removing screws.

Connecting Devices

Ensure the drill is unplugged before connecting any accessories or attachments.

Choose the appropriate drill bit for your task.
Insert the bit into the chuck and tighten securely.
Connect any additional accessories as needed.

Tip: Always check that the drill is off before plugging it in.

Operating Instructions

To operate the drill, follow these steps:

Plug in the drill and select the desired speed setting.
Position the drill bit on the material and apply pressure.
Use the variable speed trigger to control the drilling speed.
Release the trigger to stop the drill.

WARNING! Keep hands clear of the drill bit while in operation.

Maintenance

Regular maintenance is essential for optimal performance.

Keep the drill clean and free of debris.
Inspect the power cord for any damage.
Lubricate moving parts as needed.

Safety Information

Always follow safety guidelines when operating the drill.

Wear appropriate personal protective equipment.
Do not operate the drill in wet conditions.
Keep the drill out of reach of children.

Troubleshooting

Symptom	Possible Cause	Corrective Action
Drill won't start	Power source issue	Check power cord and outlet.
Bit won't tighten	Chuck malfunction	Inspect and clean the chuck.
Excessive vibration	Improper bit installation	Ensure bit is securely tightened.
Overheating	Continuous use	Allow drill to cool down before further use.

Service: For further assistance, contact Dewalt customer service.