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Stihl MSE 250 C User Manual

Stihl MSE 250 C
96 pages
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STIHL MSE 250 C
Instruction Manual
Notice d’emploi

Table of Contents

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Stihl MSE 250 C Specifications

General IconGeneral
BrandStihl
ModelMSE 250 C
CategoryChainsaw
LanguageEnglish

Summary

Guide to Using this Manual

Symbols in text

Explanation of warning symbols (WARNING, NOTICE) and engineering improvement notes.

Pictograms

Meanings of pictograms used on the machine for chain oil, rotation, tension, etc.

Safety Precautions

General Safety Guidance

General safety rules for operating the chainsaw, including user responsibility.

Intended Use

Specifies the chainsaw's purpose for cutting wood and prohibits modifications.

Clothing and Equipment

Requirements for protective clothing, footwear, eye, hearing, and hand protection.

Transporting

Procedures for safely switching off, securing, and carrying the chainsaw.

Cleaning

Guidelines for cleaning the chainsaw using appropriate methods and materials.

Electrical Safety

Accessories

Recommendations for using STIHL-approved parts and high-quality accessories.

Connecting to Power Supply

Instructions for connecting the power tool safely to a grounded outlet.

Extension Cord Guidelines

Rules for selecting and using extension cords to prevent hazards.

Pre-Operation Electrical Checks

Checks for cord condition, insulation, and proper connection before starting.

Before Starting Work

Saw Assembly and Condition Check

Ensuring the saw is assembled correctly and all safety devices are functional.

Switching On the Saw

Procedures for safely starting the chainsaw on a stable surface.

During Operation

Safe operating practices, including footing, grip, and monitoring chain status.

Monitoring Chain Tension

Instructions on checking and maintaining proper chain tension during use.

Maintenance and Repairs

After Finishing Work

Steps to take after completing work, including disconnecting and slackening the chain.

Storing the Machine

Guidelines for storing the chainsaw safely and securely when not in use.

Vibration Effects and Precautions

Information on vibration-induced health issues and preventative measures.

General Maintenance Guidelines

Overview of regular servicing, repairs, and use of quality replacement parts.

Reactive Forces

Component Checks

Checks for chain catcher, chain/bar condition, and lubricant storage.

Chain Brake Issues

Troubleshooting steps for chain brake problems and safety warnings.

Kickback Hazards

Explanation of kickback dangers and how it occurs, leading to potentially fatal cuts.

QuickStop Chain Brake Function

Description of the chain brake's function in reducing injury risk.

Reducing Kickback Risk

Methods to minimize kickback, such as firm grip, full throttle, and awareness.

Working Techniques

Sawing Techniques

Methods for sawing, including proper body positioning and tool usage.

Safe Sawing Practices

Precautions during sawing, like avoiding foreign objects and managing sparks.

Working at Heights

Specific safety measures and restrictions when working at elevated positions.

Handling Tensioned Logs

Techniques for cutting logs under tension, emphasizing correct cut order.

Ripping Technique

Guidance on ripping cuts, focusing on shallow angles and careful execution.

Preparing for Felling

Work Area Preparation

Clearing the work area and base of the trunk for safe felling operations.

Fall Direction and Escape Paths

Determining fall direction and establishing clear escape routes for safety.

Felling Notch

Preparing the Felling Notch

Steps to prepare the felling notch using a meter stick for accuracy.

Making the Felling Notch

Instructions on making the bottom and angled cuts for the felling notch.

Checking Fall Direction

Verifying the planned direction of fall using the felling notch and meter stick.

Sapwood Cuts

Technique for making sapwood cuts to prevent splintering during felling.

Backcutting Principles

Basic Dimensions and Components

Explanation of felling notch, hinge, and backcut dimensions for tree felling.

Plunge Cutting

Techniques for plunge cutting, used for relieving cuts and wood carving.

Using Low Kickback Chains

Emphasis on using low kickback chains for safety and caution during cuts.

Selecting the Appropriate Backcut

Choosing the correct backcut based on tree characteristics like crown and lean.

Back Cut with Safety Strip (Thin Trunks)

Procedure for backcutting thin trunks using a safety strip.

Felling Wedges

Back Cut with Safety Strip (Thick Trunks)

Procedure for backcutting thick trunks using a safety strip.

Back Cut with Holding Wood (Leaner Tree)

Techniques for backcutting leaner trees, considering holding wood and trunk thickness.

Cutting Attachment

Components of Cutting Attachment

Identification of the saw chain, guide bar, and chain sprocket as the cutting attachment.

Matching Components

Importance of matching chain pitch, drive link gauge, and groove width for proper function.

Mounting the Bar and Chain (side chain tensioner)

Chain Scabbard

Using a chain scabbard that correctly matches the cutting attachment length.

Removing Chain Sprocket Cover

Steps to remove the chain sprocket cover for mounting the bar and chain.

Disengaging Chain Brake

How to disengage the chain brake by pulling the hand guard forward.

Fitting the Chain

Procedure for fitting the saw chain onto the guide bar, starting at the nose.

Tensioning the Saw Chain

Tensioning the Saw Chain

Detailed steps for tensioning the saw chain using the side chain tensioner.

Re-tensioning During Cutting

Instructions for re-tensioning the chain while cutting work is in progress.

Checking Chain Tension

How to check if the chain tension is correct, ensuring it fits snugly.

Chain Lubricant

Filling Chain Oil Tank

Procedures for filling the chain oil tank, including preparation and opening the cap.

Closing the Tank Cap

Correct method for closing and locking the chain oil tank cap to prevent leaks.

Checking Oil Level

Checking Chain Lubrication

Ensuring adequate chain lubrication by checking oil throw-off.

Coasting Brake

Explanation of the coasting brake and its function to stop the chain.

Chain Brake

Locking and Disengaging the Chain Brake

How to lock and disengage the chain brake for safe operation and maintenance.

Checking Chain Brake Operation

Procedures to verify the proper functioning of the chain brake.

Chain Brake Maintenance

Recommended servicing intervals and maintenance for the chain brake system.

Connecting to Power Supply

Connecting to Wall Outlet

Ensuring the power cord is correctly connected to a properly installed wall outlet.

Extension Cord Requirements

Specifies requirements for extension cords, including gauge and outdoor suitability.

Switching On

Switching Off

Overload Cutout

Operating Instructions

During Operation Checks

Checking oil level and chain tension during operation for optimal performance.

Chain Tension Adjustment

Adjusting chain tension for cold and operating temperatures to prevent jumping.

After Finishing Work Procedures

Steps to take after finishing work, including disconnecting power and slackening chain.

Taking Care of the Guide Bar

Motor Cooling

Instructions for cleaning cooling slots to ensure proper motor ventilation.

Storing the Machine

Guidelines for long-term storage, including cleaning and protecting the machine.

Checking and Replacing the Chain Sprocket

Maintaining and Sharpening the Saw Chain

Sharpening for Effortless Cutting

Achieving efficient cutting through proper chain sharpening and maintenance.

Chain Pitch and Filing Angles

Information on chain pitch, cutter shapes, and correct filing angles for sharpening.

File Holder and Correct Filing

Using the correct file holder and techniques for accurate chain sharpening.

Lowering Depth Gauges

Procedure for checking and lowering depth gauges to ensure proper cutting depth.

Sharpening Tools and Procedures

Overview of specialized tools and step-by-step procedures for chain sharpening.

Maintenance and Care

Maintenance Schedule and Intervals

Table outlining maintenance tasks and recommended intervals for the chainsaw.

Main Parts

Identification of Components

Diagram and list identifying all major parts of the chainsaw.

Specifications

Motor Specifications

Technical details of the motor, including voltage, frequency, and current rating.

Chain Lubrication Details

Information on the automatic chain lubrication system and oil tank capacity.

Weight and Cutting Attachment Specs

Specifications for chainsaw weight and cutting attachment dimensions.

Chain and Sprocket Specifications

Details on chain pitch, groove width, nose sprocket, and chain sprocket types.

Ordering Spare Parts

Maintenance and Repairs

Authorized Service and Parts

Guidance on obtaining service and replacement parts from authorized dealers.

Disposal

Key to Symbols

Guide Bar and Chain Markings

Explanation of symbols related to guide bar length and chain types.

Operational Symbols

Symbols indicating avoidance of guide bar tip contact and two-handed operation.

Model and Class Indicators

Symbols for model identification and chainsaw class ratings.

CSA Standard

Chain Saw Class Definitions

Definitions of chainsaw classes (1A, 1B, 1C, 2A, 2B) according to CSA Z 62.1-11.

Low-Kickback Chain Definition

Definition of a low-kickback saw chain as per CSA Standard Z 62.3-11.

General Power Tool Safety Warnings

Work Area Safety Precautions

Ensuring a safe work environment, including cleanliness and bystander exclusion.

Electrical Safety Precautions

Guidelines for safe use of electrical power tools, focusing on avoiding shocks.

Personal Safety Measures

Personal safety practices like staying alert, using PPE, and proper dressing.

Power Tool Use and Care

Instructions for correct usage, maintenance, and storage of power tools.

Service and Maintenance

Ensuring power tools are serviced by qualified personnel with identical replacement parts.

Chain Saw Safety Warnings

Body and Clothing Safety

Keeping body parts and clothing away from the moving saw chain.

Handling and Footing Safety

Maintaining proper grip, footing, and balance for control during operation.

Kickback Causes and Prevention

Understanding kickback causes and implementing preventative measures.

Handle Maintenance and Usage Restrictions

Keeping handles clean and dry; restrictions on cutting materials other than wood.

Kickback Prevention Strategies

Strategies to prevent kickback, including firm grip and not overreaching.

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