Ryobi AG452K User Manual

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Your angle grinder has been engineered and manufactured to our high standard for dependability, ease of operation, and
operator safety. When properly cared for, it will give you years of rugged, trouble-free performance.
WARNING: To reduce the risk of injury, the user must read and understand the operator’s manual before using
this product.
Thank you for your purchase.
OPERATOR’S MANUAL
4-1/2 in. ANGLE GRINDER
DOUBLE INSULATED
AG452

Ryobi AG452K Specifications

General

Brand	Ryobi
Model	AG452K
Category	Grinder
Language	English

Summary

General Safety Guidelines

Work Area Safety

Keep work area clean, avoid hazardous atmospheres, and keep bystanders away.

Electrical Safety

Proper grounding, avoiding wet conditions, and cord care for electrical safety.

Personal Safety

Stay alert, use common sense, dress appropriately, and avoid distractions.

Tool Use and Care

Proper workpiece securing, tool forcing, switch operation, and maintenance.

Specific Safety Rules

Guard and Accessory Safety

Use proper guard, ensure accessories are rated for speed, and check for damage.

Handling and Control

Proper grip, side handles, knowing the tool, and avoiding overreaching.

Personal Protective Equipment

Always wear eye protection, dust masks, and hearing protection as needed.

Cord and Extension Cord Safety

Use correct gauge extension cords, check for damage, and proper outdoor use.

Pre-Operation Checks

Inspect tool for damage, remove nails, and proper handling techniques.

Tool Symbols and Meanings

Electrical Symbols

Symbols for Volts, Amperes, Hertz, Watt, Minutes, AC/DC, No Load Speed, Class II.

Safety and Usage Symbols

Symbols for RPM, wet conditions, read manual, eye protection, safety alert, no hands, hot surface.

Electrical System Information

Double Insulation

Explanation of double insulation for electrical safety and its benefits.

Extension Cords

Guidelines for selecting and using appropriate extension cords for power tools.

Product Features Overview

Product Specifications

Details like wheel size, cord length, arbor size, speed, and power requirements.

Key Grinder Components

Explanation of the side handle, spindle lock, lock-on button, and rotating handle.

Assembly and Unpacking

Unpacking and Inspection

Instructions for safely unpacking the tool and checking for damage or missing parts.

Packing List

List of items included in the product packaging.

Installing the Side Handle

Step-by-step guide for attaching the side handle to the grinder.

Operating the Angle Grinder

Switch and Lock-On Button

How to turn the tool on/off and use the continuous run lock-on feature.

Accessory Wheel Installation

Steps for safely installing grinding wheels, wire brushes, and mop discs.

Grinding, Sanding, Brushing Techniques

Guidance on selecting accessories and proper techniques for grinding and sanding.

Grinding Operation and Handle Adjustment

Techniques for grinding, pressure, and adjusting the 90° rotating handle.

Adjustments and Guard Setup

Guard Adjustment

Instructions for properly positioning and adjusting the safety guard.

Guard Safety Warnings

Critical warnings regarding guard placement and usage for operator safety.

Maintenance and Brush Replacement

General Maintenance and Cleaning

Guidelines for cleaning the tool and avoiding damaging solvents.

Brush Assembly Check and Replacement

How to inspect and replace worn carbon brushes.

Guard Replacement

Steps for removing and installing a new safety guard.

Service and Parts Ordering

Model and Serial Number Identification

Where to find and record the tool's model and serial numbers.

Ordering Repair Parts

Information required for ordering replacement parts, including model and serial numbers.