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Ryobi RY10520 User Manual

Ryobi RY10520
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Your chain saw has been engineered and manufactured to Ryobi’s 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 buying a Ryobi product.
Cette scie à chaîne a été conçue et fabriquée conformément aux
strictes normes de fiabilité, simplicité d’emploi et sécurité d’utilisation
de Ryobi. Correctement entretenue, elle vous donnera des années
de fonctionnement robuste et sans problème.
AVERTISSEMENT : Pour réduire les risques de
blessures, l’utilisateur doit lire et veiller à bien comprendre le
manuel d’utilisation avant d’employer ce produit.
Merci d’avoir acheté un produit
Ryobi.
Su motosierra ha sido diseñada y fabricada de conformidad con las
estrictas normas de Ryobi para brindar fiabilidad, facilidad de uso
y seguridad para el operador. Con el debido cuidado, le brindará
muchos años de sólido y eficiente funcionamiento.
ADVERTENCIA: Para reducir el riesgo de lesiones,
el usuario debe leer y comprender el manual del operador antes
de usar este producto.
Le agradecemos la compra de un producto
Ryobi.
OPERATOR’S MANUAL
RY10520 / 20 in. 46cc Chain Saw
RY10518 / 18 in. 46cc Chain Saw
(ALL VERSIONS)
ENGINE/EVAP. FAMILY: *HCPS.0464AC
CONSERVER CE MANUEL POUR
FUTURE RÉFÉRENCE
GUARDE ESTE MANUAL PARA
FUTURAS CONSULTAS
SAVE THIS MANUAL FOR FUTURE REFERENCE

Questions and Answers:

Ryobi RY10520 Specifications

General IconGeneral
TypeGas
Bar Length20 inches
Automatic OilerYes
Power SourceGasoline
Chain Pitch0.325 inches
Chain Gauge0.050 inches

Summary

Introduction

General Safety Rules

Specific Safety Rules

Refueling

Safe procedures for fueling the chain saw to prevent fire and injury.

Kickback

Understanding and preventing dangerous kickback reactions.

Symbols

Service

Glossary of Terms

Features

Product Specifications

Detailed technical data for RY10520 and RY10518 models.

Know Your Chain Saw

Familiarization with the saw's operating features and safety rules before use.

Assembly

Unpacking

Steps to carefully remove the product and accessories from the packaging.

Operation

Applications

Permitted uses for the chain saw, such as limbing and felling.

Fuel and Refueling

Safe handling, mixing, and refueling procedures for the chain saw.

Filling the Fuel Tank

Step-by-step guide on how to safely fill the fuel tank, avoiding spillage.

Adding Bar and Chain Lubricant

Instructions for adding lubricant to the oil tank for chain lubrication.

Operating the Chain Brake

How to engage, reset, and check the functionality of the chain brake.

Starting the Engine

Procedures for starting the engine, including cold and warm start methods.

Stopping the Engine

Methods for safely stopping the engine and securing the chain saw.

Adjusting Idle Speed

How to adjust the idle speed screw for optimal engine performance.

Pull and Push Techniques

Techniques for controlling the saw's reaction forces during cutting.

Kickback Precautions

Measures to prevent kickback and ensure safe cutting operations.

Proper Grip on Handles

Correct way to hold the chain saw for maximum control and safety.

Proper Cutting Stance

Recommended body positioning for stability and safety during cutting.

Work Area Precautions

Ensuring a safe environment by clearing obstructions and managing bystanders.

Basic Operating/Cutting Procedures

Fundamental techniques for starting and performing cuts with the chain saw.

Felling Trees

Procedures and safety considerations for cutting down trees.

Proper Procedure for Tree Felling

Detailed steps and safety for felling trees, including notch and backcut.

Removing Buttress Roots

Steps for removing large roots before felling to ensure safety.

Bucking

The process of cutting a fallen tree into desired log lengths.

Bucking with a Wedge

Using wedges to prevent pinching during bucking operations.

Bucking Logs Under Stress

Safely cutting logs that are bent or under pressure to avoid pinching.

Overbucking and Underbucking

Techniques for cutting logs from the top (overbucking) and bottom (underbucking).

Limbing and Pruning

Safe methods for removing branches from trees.

Cutting Springpoles

Safety precautions when cutting bent branches or logs under tension.

Maintenance

General Maintenance

Routine cleaning and care of the chain saw parts.

Lubrication

Information on the product's lubrication system and requirements.

Replacing the Guide Bar and Chain

Step-by-step instructions for replacing the guide bar and chain assembly.

Adjusting the Chain Tension

How to properly adjust the chain tension for safe and effective cutting.

Chain Maintenance

Procedures for maintaining the chain, including sharpening and raker clearance.

Sharpening the Cutters

Techniques for sharpening the chain cutters to ensure efficient cutting.

Top Plate Filing Angle

Correct angle for filing the top plate of the chain cutters.

Side Plate Angle

Correct angle for filing the side plate of the chain cutters.

Maintaining Depth Gauge Clearance

How to adjust the depth gauge for proper cutting efficiency and kickback reduction.

Maintaining the Guide Bar

How to clean, inspect, and maintain the guide bar for maximum life.

Mounting the SAFE-T-TIP® Nose Guard

Instructions for installing and checking the SAFE-T-TIP® anti-kickback device.

Cleaning the Air Filter

Procedures for cleaning the air filter to ensure proper engine operation.

Cleaning the Starter Unit

How to clean the starter assembly vents to prevent overheating.

Adjusting the Carburetor

How to adjust the carburetor's idle speed for correct engine operation.

Cleaning the Engine

Procedures for cleaning engine fins to prevent overheating.

Checking the Fuel Filter

How to inspect and replace the fuel filter if contaminated.

Replacing the Spark Plug

Instructions for replacing the spark plug for proper ignition.

Spark Arrestor

Maintenance requirements for the spark arrestor to ensure proper performance.

Inspecting and Cleaning Chain Brake

How to inspect and clean the chain brake mechanism for reliable operation.

Storing the Product

Guidelines for safely storing the chain saw for extended periods.

Emissions Maintenance Schedule

Schedule for maintaining emission control parts according to usage hours.

Bar and Chain Combinations

Troubleshooting

Warranty

Limited Warranty Statement

Details of the warranty, coverage periods, and exclusions.

Your Warranty Rights and Obligations

Owner's responsibilities and rights concerning the product warranty.

Manufacturer's Warranty Coverage

Specifics of what the manufacturer warrants for the product's emission system.

Owner's Warranty Responsibilities

Required owner maintenance and responsibilities to maintain warranty validity.

Defect Warranty Coverage Requirements

Conditions and requirements for making a warranty claim for defective parts.

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