Dewalt DCG412 Manual

The Dewalt DCG412 is a powerful 20V MAX cordless angle grinder designed for cutting, grinding, and polishing tasks. It features a brushless motor for increased efficiency and runtime, a 4-1/2 inch grinding wheel, and a durable design suitable for heavy-duty applications. Below are key sections for safety, features, installation, setup, operation, and troubleshooting.

Features at a Glance

Key components: Brushless motor, 20V MAX battery, 4-1/2 inch grinding wheel, safety guard, and ergonomic handle.

Feature	Description
Brushless motor	Provides longer runtime and durability
20V MAX battery	Compatible with other Dewalt 20V tools
4-1/2 inch grinding wheel	Ideal for various cutting and grinding tasks
Safety guard	Protects user from debris
Ergonomic handle	Improves comfort during use

Installation

Unpack and inspect the grinder. Ensure all components are included.

1. Attach the grinding wheel: Use the included wrench to secure the wheel.
2. Install the safety guard: Align and tighten the guard to prevent debris exposure.
3. Insert the battery: Ensure it clicks into place for a secure connection.

WARNING! Always wear safety gear when operating the grinder.

First-Time Setup

Power on the grinder by inserting the battery and pressing the trigger.

1. Check battery charge: Ensure the battery is fully charged before use.
2. Familiarize with controls: Understand the trigger and safety features.
3. Practice handling: Get comfortable with the weight and balance of the tool.

CAUTION! Ensure a stable surface when operating the grinder.

Specifications

• Voltage: 20V MAX.
• Motor Type: Brushless.
• Wheel Size: 4-1/2 inches.
• Weight: 5.6 lbs.
• Battery Compatibility: Compatible with all Dewalt 20V MAX batteries.
• Speed: 8,000 RPM.
• Dimensions: 12.5 x 4.5 x 4.5 inches.

Controls and Settings

Access the trigger for operation. The safety lock must be engaged before the trigger can be pressed.

Adjustments: The guard can be adjusted without tools for convenience.

Connecting Devices

Ensure the grinder is off before connecting any accessories.

1. Attach the grinding wheel securely.
2. Ensure the safety guard is in place.
3. Check battery connection before use.

Tip: Always disconnect the battery when changing accessories.

Operating the Grinder

Supports various grinding and cutting applications.

1. Power on: Insert battery and press the trigger.
2. Control speed: Adjust pressure on the trigger for desired speed.
3. Stop: Release the trigger to stop the grinder.

WARNING! Keep hands clear of the grinding wheel during operation.

Safety Features

Includes a safety lock to prevent accidental start and a protective guard to shield the user from debris.

Care & Cleaning

Unplug and remove the battery before cleaning. Use a dry cloth to wipe down the tool.

CAUTION! Do not use liquids or solvents for cleaning.

Regulatory Information

Meets applicable safety standards for power tools. For support, visit www.dewalt.com or contact customer service.

Troubleshooting

Symptom	Possible Cause	Corrective Action
Grinder does not start	Battery not charged	Charge the battery and retry.
Excessive vibration	Improperly mounted wheel	Check and secure the grinding wheel.
Overheating	Continuous use	Allow the tool to cool down before resuming.
Battery not fitting	Debris in connection	Clean the battery contacts and retry.

Reset: If issues persist, consult the manual for reset instructions.

Service: 1-800-433-9258; www.dewalt.com