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Ryobi ZR51950A—250000001 User Manual

Ryobi ZR51950A—250000001
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1
Operator’s Manual
Trimmer/Brushcutter
Model No. ZR51950A—250000001 & Up
Model No. ZR51970A—250000001 & Up
Model No. ZR51990A—250000001 & Up
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Ryobi ZR51950A—250000001 Specifications

General IconGeneral
BrandRyobi
ModelZR51950A—250000001
CategoryTrimmer
LanguageEnglish

Summary

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Fueling Safety

Instructions for safe gasoline fueling procedures.

Engine Starting Procedures

Guidance on starting engine based on temperature.

Flooded Engine Correction

Steps to resolve a flooded engine condition.

Introduction to Your Ryobi Tool

Product Identification

Locating and recording model and serial numbers.

Understanding Safety Signals

Explanation of DANGER, WARNING, CAUTION, Important, and Note.

Safety Rules and Precautions

Operator and Equipment Readiness

Operator condition, protective gear, and pre-use inspection.

Safe Operating Environment and Practices

Rules for fueling, work area, stance, and operation.

Specific Hazard Awareness

Warnings about blade thrust, stopping, and product use.

Product Symbols Explained

Safety Alerts and Manual Reference

Symbols for safety alerts and reading the manual.

Protective Gear and Bystander Safety

Symbols for eye/hearing protection and keeping bystanders away.

Hazard and Fuel/Oil Symbols

Symbols for ricochet, no blade, blade thrust, and fuel/oil mixture.

Signal Words and Service Guidance

Risk Level Definitions

Meanings of DANGER, WARNING, and CAUTION hazard signals.

Professional Service Recommendations

Guidance on seeking authorized service for repairs.

Eye Protection Warning

Specific warning emphasizing the need for eye protection.

Product Labels and Markings

Starting and Stopping Label

Label detailing the start-up and stop sequence for the tool.

Safety and Operation Labels

Labels displaying various safety and functional icons on the product.

Control and Accessory Labels

Labels for product controls and accessories like the shoulder strap.

Features and Specifications

Technical Specifications

Details on engine size, cutting width, line size, and weight.

Common Tool Features

Overview of engine, ergonomics, dual line, and grass deflector.

Brushcutter Specific Features

Features unique to the brushcutter model, like blade and guard.

Assembly Instructions

Unpacking and Initial Inspection

Steps for safely removing and checking the product for damage.

Parts List Verification

List of all included components required for assembly.

Critical Assembly Warnings

Important safety warnings to follow before and during assembly.

Attachment Assembly Procedures

Connecting Shaft Attachments

Steps to join the shaft and power head securely.

Detaching Shaft Attachments

Procedure to safely disconnect shaft from power head.

Front Handle Installation

Instructions for mounting the front handle for better control.

Shoulder Strap Attachment

Steps to connect the shoulder strap for user support.

Grass Deflector Installation

Curved Shaft Deflector Mounting

Steps for attaching the deflector on curved shaft models.

Straight Shaft Deflector Mounting

Steps for attaching the deflector on straight shaft models.

Converting Trimmer/Brushcutter Modes

Brushcutter to Trimmer Conversion

Steps to remove brushcutter parts and attach trimmer parts.

Trimmer Head Assembly Installation

Instructions for installing the trimmer head assembly.

Mode Conversion Procedures

Trimmer to Brushcutter Conversion

Steps to remove trimmer parts and attach brushcutter parts.

Brushcutter Guard and Blade Installation

Instructions for attaching the brushcutter guard and blade.

Operation: Fueling and Applications

Tool Applications

List of tasks the trimmer/brushcutter is designed for.

Fuel Mixing Guide

Chart and instructions for mixing gasoline and 2-cycle oil.

Safe Fueling Procedures

Steps for safely filling the fuel tank.

Starting and Stopping Procedures

Cold Engine Starting Guide

Step-by-step guide for initiating engine start from cold.

Warm Engine Starting Notes

Specific considerations for restarting a warm engine.

Safe Product Shutdown

Instructions on how to properly stop the engine and tool.

Operating the Trimmer

Curved Shaft Trimmer Use

Instructions for operating the curved shaft trimmer model.

Straight Shaft Trimmer Use

Instructions for operating the straight shaft trimmer model.

Advancing Trimmer Line

Method for extending the trimmer line during operation.

Operating the Brushcutter

Brushcutter Operation Technique

How to use the brushcutter for cutting weeds and brush.

Effective Cutting Tips

Advice and techniques for optimal and safe cutting.

Maintenance: Schedules and Cleaning

Emissions Maintenance Schedule

Table outlining maintenance intervals for emission control parts.

Product Cleaning Instructions

Steps for cleaning the exterior and air intake vents.

Replacing the Cutting Line

Detailed steps to replace the trimmer line.

Trimmer Line and Spool Maintenance

Completing Line Replacement

Final steps for securing and installing the new trimmer line.

Replacing the Trimmer Spool

Procedure for removing and installing the trimmer line spool.

Fuel Cap and Air Filter Maintenance

Fuel Cap Inspection and Replacement

How to check for leaks and replace a faulty fuel cap.

Air Filter Cleaning Procedure

Steps to clean, oil, and re-install the air filter.

Spark Plug and Product Storage

Spark Plug Replacement Guide

Instructions for replacing the spark plug for optimal performance.

Short-Term Product Storage

Guidelines for storing the tool for brief periods.

Long-Term Product Storage

Procedures for storing the tool for over one month.

Product Transportation Safety

Procedures for safely moving the product.

Troubleshooting Common Problems

Engine Starting Issues

Causes and solutions for engine not starting.

Engine Performance Problems

Troubleshooting excessive smoke and lack of full speed.

Line Feed and Retaining Cap Issues

Solutions for line advancement and retaining cap problems.

Limited Warranty Information

Warranty Coverage Details

Information on what the warranty covers and its limitations.

Owner's Responsibilities and Claims

User's duties for maintenance, proof of purchase, and warranty claims.

Emission Control System Warranty

Emission Standards Compliance

Explanation of EPA and CARB emission standards for engines.

Emission Warranty Coverage

Details of the warranty for emission control system parts.

Owner's Maintenance for Emissions

User's responsibility for maintenance impacting emission compliance.

Emissions Maintenance and Warranted Parts

Emissions Maintenance Schedule

Schedule for inspecting, cleaning, and replacing emission-related parts.

Warranted Emissions Parts List

List of specific components covered under the emission warranty.

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