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Morrison MCS25 User Manual

Morrison MCS25
16 pages
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Petrol Chainsaws
MCS25, MCS38, MCS46, MCS52, YR4503
Owner’s Manual
Important
Please read this Owner’s Manual and the Express Warranty before using this product. The Warranty
does not cover damage due to misuse or failure to follow the operating and installation instructions
Keep the instructions in a safe place for future use.
This manual covers the Morrison MCS25, MCS38, MCS46, MCS52 and YR4503 Petrol Chainsaws.
www.morrisonoutdoor.com
Part N
o
: 542037.F.0
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Morrison MCS25 Specifications

General IconGeneral
BrandMorrison
ModelMCS25
CategoryChainsaw
LanguageEnglish

Summary

Owner's Manual Introduction

Important Safety Notice

Read the manual and express warranty before use. Warranty does not cover misuse.

Machine Symbols and Warnings

Safety and Operational Symbols

Explains symbols for warnings, protection, operation, and controls like choke, brake, and kill switch.

Fuel and Oil Identification Symbols

Identifies symbols for fuel and oil tank caps and chain oil adjuster nut.

Carburetor Adjustment Symbols

Illustrates symbols for H, L, and T carburetor adjustment screws.

Safety and Proper Use

User Restrictions and Safety Guidelines

Defines user age limits, safe operation for wood only, and general safety rules.

Pre-Operation Preparation

Covers user condition, work environment, and essential gear like PPE and tools.

Fuel Handling Safety

Safe Refueling Procedures

Precautions for handling fuel including avoiding heat, no smoking, and safe filling practices.

Pre-Starting Checks

Work Area and Footing

Ensures a clear work area, secure footing, retreat path, and exclusion of bystanders/animals.

Operation and Assembly

Pre-Operation Checks and Grip

Inspect machine, ensure proper grip and body positioning during operation.

General Operation and Transportation

Covers safe handling, avoiding hazards, and transporting the chainsaw.

Kickback Safety

Kickback Prevention Techniques

Understand kickback causes and methods to prevent it, like firm grip and clear area.

Chainsaw Parts and Assembly

Component Identification and Assembly

Diagram of parts and instructions for assembling the guide bar and saw chain.

Assembly and Fueling

Guide Bar and Chain Assembly

Steps for attaching the guide bar and saw chain, including tension adjustment.

Fuel and Oil Specifications

Details recommended fuel/oil mixture ratios and types of chain oil.

Fuel Mixing and Tank Filling

Procedure for mixing fuel and oil and safely filling the fuel tank.

Engine Operation and Care

Starting and Warm-up Procedures

Instructions for starting engine on different models and allowing it to warm up.

Engine Longevity and Fuel Avoidances

Tips for engine life and what to avoid regarding fuel and usage.

Engine Controls and Adjustments

Stopping and Oiler Adjustment

Procedure for stopping the engine and adjusting the chain oil flow.

Carburetor Tuning Guide

Steps for adjusting carburetor settings (H, L needles, idle speed) for optimal performance.

Cutting Techniques and Safety

Sawing and Bucking Methods

Guidance on sawing logs, bucking, limbing, and cutting limbs safely.

Tree Felling Procedure

Steps for felling a tree, including preparation, notch cuts, and felling cuts.

Chain Brake Operation

Chain Brake Functionality

How the chain brake works, how to check it, and precautions for its use.

Kickback Guarding

Kickback Prevention Measures

Ensuring chain brake effectiveness and sharp chain for kickback safety.

Maintenance Procedures

Pre-Maintenance Safety and Post-Use Tasks

Safety steps before maintenance and daily checks like air filter, oiling port, and guide bar.

Periodical Service Checks

Regular checks for cylinder fins, spark plug, sprocket, fuel filter, oil filter, and anti-vibration system.

Saw Chain and Guide Bar Care

Chain Sharpening Importance

Key indicators for chain sharpening and cutter setting standards for performance.

Saw Chain Filing

Filing Preparation and Technique

Steps for securing the chain and filing cutters with correct angles and depth gauge.

Kickback Prevention Filing

Rounding front edges and ensuring consistent cutter length for safety.

Guide Bar Maintenance

Guide Bar Wear and Replacement

How to check guide bar for wear, flip it for even wear, and identify when replacement is needed.

Troubleshooting Engine Issues

Engine Not Starting Diagnosis

Diagnosing and resolving issues when the engine fails to start, covering common causes.

Low Power and Knocking Solutions

Addressing low power output, rough running, and engine knocking by checking components and fuel.

Additional Troubleshooting

Acceleration, Stalling, and Vibration Issues

Resolving problems like poor acceleration, engine stopping abruptly, and excessive vibration.

Chain Oiler Problems

Troubleshooting steps for when the chain oiler is not dispensing oil correctly.

Technical Specifications

Model and Power Unit Specifications

Detailed specifications for different models including dimensions, engine, and capacities.

Carburetor, Ignition, and Fuel Systems

Information on carburetor type, ignition system, and fuel tank details.

Cutting Bar and Saw Chain Details

Specifications for guide bar sizes and saw chain types, pitch, and gauge.

Manufacturer Information

Company Contact and Copyright

Provides company address, contact phone numbers, and copyright notice.

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