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Stihl MS 380 User Manual

Stihl MS 380
48 pages
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1MS 380
English
BA_SE_153_002_01_06.fm Printed on chlorine-free paper.
Printing inks contain vegetable oils; paper can be recycled.
© ANDREAS STIHL AG & Co. KG, 2004
0458 215 0121. M3. E4. MET. Printed in Brazil
STIHl
Contents
Guide to Using this Manual .............. 2
Safety Precautions ........................... 3
Using the Saw .................................. 9
Mounting the Bar and Chain ........... 17
Tensioning the Saw Chain .............. 18
Checking Chain Tension ................. 18
Fuel ................................................ 19
Fueling ............................................ 20
Chain Lubricant .............................. 21
Filling Chain Oil Tank ...................... 22
Checking Chain Lubrication ........... 22
Chain Brake .................................... 23
Information Before You Start .......... 24
Starting / Stopping the Engine ........ 24
Operating Instructions .................... 27
Oil Quantity Control
* ...................... 28
Taking Care of Guide Bar ............... 29
Cleaning the Air Filter ..................... 29
Adjusting the Carburetor ................ 30
Checking the Spark Plug ................ 32
Spark Arresting Screen
in Muffler* ....................................... 33
Replacing Starter Rope
and Rewind Spring ......................... 34
Storing the Machine ........................ 36
Checking and Replacing
Chain Sprocket ............................... 36
Maintaining and Sharpening
Saw Chain ...................................... 38
* see "Guide to Using this Manual"
Maintenance Chart ......................... 42
Minimize Wear and
Avoid Damage ................................ 44
Main Parts and Controls ................. 45
Specifications ................................. 46
Special Accessories ....................... 46
Ordering Spare Parts ..................... 47
Maintenance and Repairs .............. 47
Manufacturer's declaration
of conformity ................................... 48
Quality Certification ........................ 48
Dear Customer,
Thank you for choosing a quality
engineered STIHL product.
This machine has been built using
modern production techniques and
comprehensive quality assurance.
Every effort has been made to ensure
your satisfaction and troublefree use
of the machine.
Please contact your dealer or our
sales company if you have any
queries concerning your machine.
Hans Peter Stihl
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Stihl MS 380 Specifications

General IconGeneral
Engine Type2-stroke
Chain oil automaticYes
Chain pitch3/8"
Displacement72.2 cm³
Power Output4.4 kW
Bar Length40 cm

Summary

Safety Precautions

General Safety Advice

General safety rules for operating the chainsaw and user responsibilities.

Operational Safety and Procedures

Safe Fueling Practices

Details crucial safety practices for fueling the chainsaw.

Starting and Operating the Chainsaw

Pre-Start Checks

Lists essential checks before starting the engine, including assembly, chain brake, and spark plug.

Engine Starting Procedures

Details the steps for safely starting the engine, including location and hand guard use.

Dangers of Kickback

Kickback Situations and Prevention

Explains kickback causes and techniques to reduce the risk.

Cutting Techniques and Hazards

Using the Saw

Cutting Hazards and Prevention

Explains hazards like pull-in, pushback, and safe practices for different cutting scenarios.

Felling and Limbing Procedures

Felling and Limbing Basics

Covers training, regulations, and planning escape paths for felling.

Specific Operating Conditions and Caution

Extreme Caution Scenarios

Highlights situations requiring extreme caution, like leaners, blowdown, or near utilities.

Mounting the Bar and Chain

Component Matching and Installation

Explains matching chain pitch, drive link gauge, and guide bar groove for proper installation.

Chain Tensioning and Checking

Saw Chain Tensioning Procedure

Guides on how to tension the saw chain correctly during use.

Chain Tension Checking Method

Explains how to check chain tension for safety and proper operation.

Fuel and Lubrication

Fuel and Oil Requirements

Details gasoline octane requirements and recommended two-stroke engine oils.

Fuel Mixing Ratios and Safety

Provides mix ratios for STIHL and other oils, and safety for mixing fuel.

Chain Oil Tank Maintenance

Checking Chain Lubrication

Explains how to check chain lubrication and the importance of not running dry.

Chain Brake Operation and Maintenance

Locking and Releasing the Chain Brake

Details how to engage and disengage the chain brake for safety.

Chain Brake Check Procedure

Explains how to check the chain brake's proper function before operation.

Starting / Stopping the Engine

Chainsaw Starting Methods

Details safe methods for starting the chainsaw, including hand placement and pulling the rope.

Engine Starting Issues and Break-in

Troubleshooting Flooded Engines

Provides steps to take if the engine does not start due to a flooded condition.

Operation and Storage Guidelines

Chain Tension During Operation

Advises on checking and adjusting chain tension during operation and when cold.

Carburetor Settings and Adjustments

Standard Carburetor Settings

Guides on setting the carburetor without a tachometer for optimal performance.

Fine Tuning with Tachometer

Explains how to fine-tune the carburetor using a tachometer for precise engine speed.

Adjusting Idle Speed

Details how to adjust idle speed correctly to prevent chain rotation.

Engine Performance Issues

Spark Plug Inspection and Maintenance

Guides on checking, cleaning, and replacing the spark plug for engine performance.

Maintaining and Sharpening Saw Chain

Sharpening Fundamentals and Tools

Covers benefits of sharp chains, angles, and recommended sharpening tools.

Chain Angle and Depth Gauge Adjustment

Guides on checking and filing chain angles and adjusting depth gauge settings.

Maintenance Chart

Specifications