Dewalt DW831 Manual

The Dewalt DW831 is a powerful 4-1/2 inch angle grinder designed for heavy-duty applications. It features a high-performance 12-amp motor that delivers 11,000 RPM for fast material removal. The grinder is equipped with a durable metal gear case for increased durability and a two-position side handle for added comfort and control. Below are key sections for safety, features, installation, setup, operation, and troubleshooting.

Features at a Glance

Key components: 12-amp motor, adjustable guard, two-position side handle, and durable metal gear case.

Feature	Description
12-amp motor	Delivers 11,000 RPM for fast material removal
Adjustable guard	Provides added safety and convenience
Two-position side handle	Offers comfort and control during operation
Durable metal gear case	Increases durability and extends tool life
Spindle lock	Allows for easy wheel changes

Installation

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

1. Attach the guard: Align the guard with the grinder and secure it.
2. Install the grinding wheel: Use the spindle lock to secure the wheel in place.
3. Connect to power: Plug the grinder into a suitable outlet.

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

First-Time Setup

Power on the grinder; ensure all safety features are functional.

1. Check the power source: Ensure the outlet is functioning.
2. Inspect the grinder: Look for any visible damage before use.
3. Adjust the guard: Ensure the guard is positioned correctly for safety.

CAUTION! Ensure the grinder is off before making adjustments.

Specifications

• Motor Power: 12 amps.
• Wheel Diameter: 4-1/2 inches.
• RPM: 11,000 RPM.
• Weight: 5.5 lbs.
• Dimensions: 12 x 4 x 4 inches.
• Power Source: Corded electric.
• Safety Features: Adjustable guard, spindle lock.

Controls and Settings

Access the power switch located on the body of the grinder. The adjustable guard can be repositioned for different applications.

Side Handle: Can be attached to either side for user preference.

Connecting Devices

This grinder is a standalone tool and does not require additional devices for operation.

1. Ensure the grinder is unplugged before making any adjustments.
2. Connect to a power source using the provided cord.

Tip: Always check the power source before use.

Operating the Grinder

To operate the grinder, follow these steps:

1. Power on the grinder using the switch.
2. Hold the grinder firmly with both hands.
3. Guide the grinder along the material to be worked on.
4. Power off the grinder when finished.

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

Accessibility Features

The Dewalt DW831 is designed for ease of use, with a lightweight design and ergonomic handles for comfortable operation.

Care & Cleaning

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

CAUTION! Keep the grinder away from moisture and extreme temperatures.

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 the outlet and power cord.
Excessive vibration	Wheel imbalance	Check the wheel for damage; replace if necessary.
Overheating	Continuous use	Allow the grinder to cool down before further use.
Noisy operation	Worn bearings	Inspect and replace bearings if needed.

Service: For service inquiries, contact Dewalt customer support.