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Makita DCS 520 User Manual

Makita DCS 520
34 pages
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Owner’s
and
Safety Manual
for
Gasoline Chain Saws
(page
2
-
31)
Manuel
d’emploi
et
de
securite
de
tronGonneuses
thermiques
(page
32
-
61)
DCS
430,431
DCS 520,520i
DCS 540
DCS 5200i
WARNING!
Read and understand this Manual. Always follow safety precautions
in
the Owner’s and Safety Manual.
Improper use can cause serious injury!
The engine exhaust from this product contains chemicals known to the State
of
California to cause
cancer, birth defects or other reproductive harm. Presepe this Manual carefully!
AlTENTlONl
Suivez toujours les conseils de skurite du present manuel d’emploi et de securite. Une utilisation
incorrecte de la tronqonneuse peut entrainer des blessures graves! Conservez avec soin ce manuel!
Les
gaz
d’echappement emis par ce produit contiennent des produits chimiques connus par I’Etat de
Californie pour provoquer le cancer, des defauts de naissance ou autres dommages de reproduction.
Lisez et comprenez ce manuel.
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Makita DCS 520 Specifications

General IconGeneral
BrandMakita
ModelDCS 520
CategoryChainsaw
LanguageEnglish

Summary

General Safety and Compliance

Critical Safety Warnings

Emphasizes reading manual, kickback danger, and risks of serious injury.

Product Standards Compliance

Lists safety standards the product meets, including ANSI and CSA.

Package Contents and Symbols

Delivery Inventory List

Details the items included with the chain saw package.

Understanding Safety Symbols

Explains the meaning of various warning and operational icons used in the manual.

Chain Saw Operator Safety

Operator Safety Rules

Fundamental rules for safe operation, including hand grip and posture.

Kickback Hazard and Prevention

Detailed advice and practical steps for avoiding dangerous kickback situations.

Additional User Safety Guidelines

Further safety measures to be observed by all chain saw users.

General Safety and Operator Health

General Safety Precautions

Covers reactive forces, safety for minors, and unattended operation.

Operator Health and Condition

Addresses physical fitness, mental state, and effects of vibration on users.

Protective Gear and Safe Handling

Appropriate Protective Clothing

Details the essential safety gear required for chain saw operation.

Saw Modification and Guide Bar Warnings

Prohibits modifications and warns against using non-approved bow guide bars.

Transporting the Chain Saw Safely

Provides methods for safe transport of the chain saw by hand or vehicle.

Operating Procedures: Fueling and Starting

Chain Saw Operation Guidelines

Rules for chain tension and general operation during use.

Fuel Handling and Safety

Crucial precautions and safety measures for handling gasoline.

Engine Starting Instructions

Step-by-step guide for correctly starting the engine.

Key Adjustments and Working Conditions

Critical Saw Adjustments

Instructions for adjusting idle speed and checking chain tension.

Safe Working Conditions

Considerations for visibility, weather, and terrain during operation.

Cutting Techniques Overview

Guidance on holding the saw, proper grip, and posture for cutting.

Understanding Reactive Forces and Kickback

Maintaining Control During Operation

Ensuring stable footing and avoiding unsafe operating positions.

Reactive Forces Explained

Details the types and causes of forces like pushback and pull-in.

Kickback Definition and Causes

Explains kickback and the common scenarios that trigger it.

Kickback Factors and Prevention Strategies

Factors Influencing Kickback

Identifies elements like speed, angle, chain sharpness, and depth gauges.

Kickback Reduction Devices

Discusses the role of chain brakes and low-profile guide bars.

Practical Tips to Avoid Kickback

Actionable steps for users to minimize kickback risk.

Advanced Cutting Hazards and Techniques

Pushback and How to Avoid It

Understanding pushback forces and methods to prevent them.

Pull-in and How to Avoid It

Understanding pull-in forces and methods to prevent them.

Felling Introduction and Considerations

Initial steps and factors to consider before felling a tree.

Felling Procedures and Notches

Felling Safety Distances

Maintaining a safe distance from the tree during felling operations.

Felling Site Preparation

Clearing the work area and establishing escape routes.

Creating the Felling Notch

Detailed steps for accurately cutting the felling notch.

Felling Cuts and Advanced Methods

Making the Felling Cut and Hinge

Executing the main felling cut while maintaining the hinge.

Sectioning and Plunge-Cut Methods

Techniques for felling trees with large diameters.

Bucking and Limbing Safety

Bucking Logs Safely

Rules and precautions for safely cutting logs into sections.

Limbing Branches Safely

Precautions for safely removing branches from fallen trees.

Maintenance and Repair Procedures

General Saw Maintenance Rules

Guidelines for routine upkeep and care of the chain saw.

Maintaining and Storing the Saw

Instructions for cleaning, sharpening, and proper storage.

Component Identification and Details

Saw Component Overview

A labeled diagram identifying all parts of the chain saw.

Identification Plate Information

Location and purpose of the identification plate for spare parts.

Technical Specifications and Compatibility

Technical Data Table

Details performance and dimensional specifications for different models.

Approved Bar and Chain Combinations

Lists recommended parts for safe operation and kickback compliance.

Mounting the Guide Bar and Saw Chain

Step-by-Step Mounting Guide

Instructions for attaching the guide bar and saw chain to the saw.

Chain Tension and Brake System Checks

Checking Saw Chain Tension

Ensuring the chain has the correct tension for safe operation.

Operating the Chain Brake

How to engage and release the chain brake for safety.

Fuel and Chain Oil Management

Fuel Mixture Ratios

Correct gasoline and two-stroke oil mixing ratios for optimal performance.

Chain Oil Types and Usage

Recommendations for chain oils, including biodegradable options.

Safe Fuel Handling and Storage

Precautions and best practices for handling and storing fuel.

Refuelling and Lubrication Adjustment

Refuelling Safety Precautions

Essential safety steps to follow during the refueling process.

Adjusting Chain Oil Feed Rate

Setting the oil pump for proper chain lubrication.

Starting the Engine Procedures

Cold Starting Procedures

Detailed steps for cold starting different saw models.

Warm Starting and Special Conditions

Starting the saw after use or in specific environmental conditions.

Engine Start Troubleshooting

Guidance for addressing issues if the engine fails to start.

Stopping the Engine

The correct procedure for shutting down the engine.

Operational Checks and Carburetor Tuning

Checking Chain Brake Functionality

Verifying the proper operation of the chain brake system.

Checking Chain Lubrication Flow

Inspecting the oil delivery system for adequate lubrication.

Carburetor Adjustment Steps

Detailed tuning process for optimal engine performance.

Winter Operation and Chain Maintenance

Preventing Carburetor Icing in Winter

Using heated air intake to prevent icing in low temperatures.

When to Sharpen the Saw Chain

Indicators for when the saw chain requires sharpening.

Chain Sharpening Tools and Guide Bar Care

Using Chain Sharpening Files

Techniques and tools for proper chain sharpening.

Cleaning and Inspecting the Guide Bar

Maintaining the guide bar's condition for optimal performance.

Component Cleaning and Replacement Procedures

Cleaning Brake Band and Sprocket Area

Maintenance of the brake band and sprocket interior.

Saw Chain and Sprocket Replacement

Guidance on when and how to replace the chain and sprocket.

Spark Arrester Screen Maintenance

Instructions for cleaning and checking the spark arrester screen.

Replacing the Suction Head

Procedure for replacing the suction head to ensure fuel flow.

Air Filter and Spark Plug Maintenance

Air Filter Cleaning Steps

Detailed instructions for cleaning the air filter and prefilter.

Spark Plug Replacement and Checks

Servicing the spark plug, including replacement and gap setting.

Starter System and Fan Housing Maintenance

Starter Cable Replacement Guide

Instructions for replacing the starter cable assembly.

Return Spring Replacement Procedure

Steps for replacing the return spring in the starter mechanism.

Mounting the Fan Housing

Procedure for correctly attaching the fan housing.

Maintenance Schedule and Service Recommendations

Daily and Periodic Maintenance Tasks

A comprehensive schedule outlining maintenance tasks by frequency.

Service, Spare Parts, and Guarantee

Guidance on seeking professional service and understanding warranty.

Troubleshooting Common Issues

Malfunction Diagnosis and Causes

A table detailing common malfunctions, their observations, and causes.

Spare Parts and Warranty Information

Importance of Genuine Spare Parts

Emphasizes using original Makita parts for quality and safety.

Makita Product Guarantee Terms

Details the terms and conditions of the Makita product guarantee.

Makita Service and Contact Information

Global Makita Service Center Directory

Provides contact details for Makita service centers worldwide.

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