Dewalt 402 Grinder Manual

The Dewalt 402 Grinder is a powerful tool designed for grinding, cutting, and polishing various materials. It features a robust motor, adjustable speed settings, and ergonomic design for user comfort. 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 Accessories 7. Operating the Grinder 8. Safety Features 9. Care & Cleaning 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: High-performance motor, adjustable speed control, safety guard, ergonomic handle, and various grinding wheels.

Feature	Description
High-performance motor	Delivers powerful grinding and cutting performance
Adjustable speed control	Allows for precise control based on material
Safety guard	Protects user from debris during operation
Ergonomic handle	Provides comfort during extended use
Various grinding wheels	Compatible with different materials and applications

Installation

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

Attach the safety guard: Align and secure it to the grinder.
Install the grinding wheel: Follow the instructions for proper installation.
Connect to power: Ensure the power source matches the grinder's requirements.

WARNING! Always wear safety gear during installation and operation.

First-Time Setup

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

Adjust speed settings: Set according to the material being worked on.
Test operation: Run the grinder briefly to ensure proper function.
Check safety features: Ensure all guards and safety mechanisms are in place.

CAUTION! Ensure a stable work surface and secure the material being worked on.

Specifications

Power: 120V AC, 60Hz.
Motor: 8 Amp motor for high performance.
Speed: Adjustable from 3,000 to 10,000 RPM.
Weight: 5.5 lbs for easy handling.
Dimensions: 12 x 6 x 5 inches.
Safety Features: Overload protection and safety guard.

Controls and Settings

Access controls via the main switch and speed adjustment dial. Ensure the safety guard is properly positioned before use.

Tip: Familiarize yourself with the controls before operating the grinder.

Connecting Accessories

Ensure the grinder is off and unplugged before connecting any accessories.

Choose the appropriate grinding wheel for your task.
Securely attach the wheel to the grinder.
Check for proper alignment before powering on.

Tip: Always use accessories that are compatible with the Dewalt 402 Grinder.

Operating the Grinder

Follow these steps for safe operation:

Power on the grinder and adjust the speed as needed.
Hold the grinder firmly with both hands.
Move the grinder smoothly across the material.
Turn off the grinder when finished and unplug it.

WARNING! Never operate the grinder without the safety guard in place.

Safety Features

The Dewalt 402 Grinder includes several safety features to protect the user:

Overload protection to prevent motor damage.
Safety guard to shield against debris.
Ergonomic design to reduce strain during use.

Care & Cleaning

Unplug the grinder before cleaning. Use a dry cloth to wipe down the exterior.

CAUTION! Avoid using liquids or aerosols on the grinder.

Regulatory Information

This product complies with all applicable 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 connection and switch.
Excessive vibration	Improperly mounted wheel	Ensure wheel is securely attached.
Overheating	Overload or blockage	Allow to cool; check for obstructions.
Noisy operation	Worn bearings	Inspect and replace if necessary.

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

Service: Contact Dewalt customer service for further assistance.