Dewalt DW402 Grinder Manual

The Dewalt DW402 is a powerful 4-1/2 inch angle grinder designed for heavy-duty applications. It features a high-performance motor, adjustable guard, and a durable design that ensures longevity and reliability. 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 the Grinder 8. Safety Features 9. Care & Cleaning 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: 4-1/2 inch grinding wheel, adjustable guard, side handle, and a powerful motor for efficient grinding.

Feature	Description
Powerful Motor	Provides high performance for various grinding tasks.
Adjustable Guard	Protects user from debris and allows for versatile grinding angles.
Side Handle	Offers additional control and comfort during operation.
Durable Design	Built to withstand heavy-duty use in tough environments.
Lock-On Switch	For continuous operation without holding the trigger.

Installation

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

Attach the grinding wheel: Follow the instructions in the manual for proper installation.
Connect to power: Ensure the power source matches the grinder's requirements.
Check safety features: Ensure the guard and side handle are securely attached.

WARNING! Always wear appropriate safety gear when operating the grinder.

First-Time Setup

Power on the grinder; familiarize yourself with the controls and features.

Adjust the guard: Set it to the desired angle for your grinding task.
Test the operation: Run the grinder briefly to ensure it operates smoothly.
Check for vibrations: Ensure the grinder is stable and not vibrating excessively.

CAUTION! Ensure a stable work surface and secure your workpiece before grinding.

Specifications

Motor Power: 8 Amps.
Wheel Size: 4-1/2 inches.
Speed: 10,000 RPM.
Weight: 4.5 lbs.
Dimensions: 12 x 5 x 4 inches.
Power Source: 120V AC.
Safety Features: Overload protection, adjustable guard.

Controls and Settings

Access the power switch and speed settings easily. The side handle can be adjusted for left or right-handed use.

Safety Features: Ensure the guard is in place and the lock-on switch is functioning correctly.

Connecting Devices

Ensure the grinder is unplugged before connecting any accessories.

Attach the grinding wheel securely.
Connect to a compatible power outlet.
Check that all connections are tight and secure.

Tip: Always inspect the grinder before use to ensure safety.

Operating the Grinder

Follow these steps for safe operation:

Power on the grinder and allow it to reach full speed.
Apply the grinder to the workpiece with steady pressure.
Keep hands clear of the grinding wheel.
Power off the grinder when finished and unplug it.

WARNING! Do not force the grinder; let the tool do the work.

Safety Features

Always use the grinder with the guard in place. Ensure proper ventilation when grinding materials that produce dust.

Care & Cleaning

Unplug the grinder before cleaning. Use a dry cloth to wipe down the exterior; do not use liquids.

CAUTION! Ensure the grinder is cool before cleaning.

Regulatory Information

This product complies with all relevant safety standards and regulations. For support, visit www.dewalt.com or contact customer service.

Troubleshooting

Symptom	Possible Cause	Corrective Action
Grinder won't start	Power source issue	Check power outlet and connections.
Excessive vibration	Loose wheel	Ensure wheel is securely attached.
Overheating	Blocked vents	Clean vents and allow to cool.
Grinding wheel wears quickly	Incorrect application	Use appropriate pressure and technique.

Reset: If applicable, follow the reset procedure in the manual.

Service: For assistance, contact Dewalt customer service.