Ryobi AG450 User Manual

OPERATOR'S MANUAL
4-1/2 in. (115 mm) Angle Grinder
Model AG450 /
Double Insulated
SAVE THIS MANUAL FOR FUTURE REFERENCE
THANK YOU FOR BUYING A RYOBI ANGLE GRINDER.
Your new angle grinder has been engineered and manufactured to Ryobi's high standard for dependability, ease of operation,
and operator safety. Properly cared for, it will give you years of rugged, trouble-free performance.
CAUTION: Carefully read through this entire operator's manual before using your new angle grinder.
Pay close attention to the Rules for Safe Operation, Warnings, and Cautions. If you use your grinder properly and only for
what it is intended, you will enjoy years of safe, reliable service.
Please fill out and return the Warranty Registration Card so that we can be of future service to you.
Thank you again for buying Ryobi tools.
SPECIFICATIONS:
Grinding Wheel Capacity 4-1/2 in. (115 mm)
Rating 120 volts, 60Hz, AC only
No Load Speed 11,000 RPM
Amperes 5.5 Amperes
Net Weight 4.6 lbs. (2.1 kg.)
a
a a
a a a
a
aa a
aa
aaa
a a a
a a
a a aa

Ryobi AG450 Specifications

General

Disc Diameter	115mm
No Load Speed	10, 000 RPM
Voltage	120V
Power Source	Corded Electric
Arbor Size	5/8 inches
Spindle Thread	5/8 in - 11 UNC

Summary

Rules for Safe Operation

Safety Alert Symbols

Explains the purpose and usage of safety alert symbols for danger, warning, and caution.

Double Insulation Explained

Details the double insulation system providing protection from electrical shock.

General Safety Warnings

Highlights essential safety precautions for operating power tools.

Eye Protection Requirement

Stresses the importance of wearing safety glasses with side shields.

Safe Operation Practices

Work Area Safety

Guidelines for maintaining a clean, well-lit, and distraction-free work environment.

Electrical Safety

Precautions regarding power cords, grounding, and avoiding wet conditions.

Personal Safety Measures

Advice on staying alert, dressing properly, and avoiding accidental starts.

Proper Tool Use and Care

Instructions for using the tool correctly and maintaining it for safe operation.

Grinder Specific Safety & Symbols

Specific Grinder Safety Rules

Rules for guards, wheels, handling, and preventing hazards unique to grinders.

Additional Operation Safety

Covers cord care, extension cords, and checking for damaged parts.

Chemical Exposure Hazards

Warns about hazardous chemicals found in dust from construction activities.

Understanding Safety Symbols

Provides a reference table for understanding tool symbols and their meanings.

Electrical and Unpacking Information

Extension Cord Guidelines

Details on selecting the correct gauge extension cord for power tools.

Electrical Connection

Specifies power requirements and connection advice for the angle grinder.

Unpacking and Inspection

Steps for unpacking the grinder and checking for damage or missing parts.

Features and Assembly

Angle Grinder Features

Overview of key features like the heavy-duty motor, guard, and switch.

Installing the Side Handle

Instructions for attaching the side handle for stability and control.

Installing Accessory Wheels

Step-by-step guide for mounting grinding wheels and brushes.

Adjustments and Operation

Guard Location and Adjustment

Guidance on correctly positioning and adjusting the grinder's guard.

Switch and Lock-On Operation

How to use the trigger switch and the lock-on feature for continuous use.

Grinding Techniques

Best practices for controlling pressure, angle, and movement during grinding.

Maintenance and Service

Guard Replacement

Procedure for replacing a worn or damaged guard on the grinder.

General Maintenance

Tips for cleaning, care, and avoiding damage to plastic parts.

Service and Model Information

Contact information for service, parts, and recording model/serial numbers.