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Stihl FS 111 RX User Manual

Stihl FS 111 RX
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STIHL FS 111 RX
WARNING
Read Instruction Manual thoroughly
before use and follow all safety
precautions – improper use can
cause serious or fatal injury.
ADVERTENCIA
Antes de usar la máquina lea y siga
todas las precauciones de
seguridad dadas en el manual de
instrucciones – el uso incorrecto
puede causar lesiones graves o
mortales.
Instruction Manual
Manual de instrucciones

Table of Contents

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Stihl FS 111 RX Specifications

General IconGeneral
Engine Displacement31.4 cc
Handle TypeLoop handle
Engine Type2-stroke
Shaft TypeStraight
Sound Power Level107 dB(A)
Sound Pressure Level94 dB(A)
Fuel Capacity710 cc (24 oz)
Cutting Swath16.5 inches
Overall Length180 cm (70.9 in)
Power Output1.05 kW
Engine Power1.4 bhp

Summary

Guide to Using this Manual

Pictograms and Symbols

Explains symbols and text markers used in the manual for clear understanding.

Engineering Improvements

Discusses STIHL's commitment to product enhancements over time.

Safety Precautions and Working Techniques

Operator Safety Requirements

Details operator's responsibilities and physical condition for safe operation.

General Safety Warnings

Covers essential safety rules for using the trimmer.

Safety Precautions: Health and Environment

Vibration and Health Risks

Warns about whitefinger and carpal tunnel syndrome from prolonged vibration exposure.

Proper Clothing and Apparel

Specifies required protective clothing for safe operation.

Safety Precautions: Tool and Operation

Eye, Face, and Hearing Protection

Emphasizes protection against thrown objects and noise damage.

Tool Handling and Modifications

Covers safe transport, avoiding modifications, and tool condition checks.

Fuel Handling and Safety

Fuel Requirements and Warnings

Details fuel type, octane, ethanol content, and general safety.

Fueling Procedures and Safety

Explains how to refuel safely and potential hazards.

Pre-Start Checks and Fuel Cap Security

Fuel Filler Cap Operation and Security

Instructions for opening, closing, and tightening fuel filler caps.

Before Starting Checks

Essential checks before operating the trimmer, including leaks.

Cutting Attachment and Starting Safety

Cutting Attachment Installation and Condition

Ensures proper mounting and condition of cutting attachments.

Starting the Engine Safely

Procedures and warnings for safe engine startup.

Control and Operation Safety

Holding and Controlling the Trimmer

Proper grip and control techniques for safe operation.

Important Adjustments and Working Conditions

Covers idle speed, balance, and safe operating environments.

Operating Environment and Safety

Exhaust Fumes and Dust Inhalation

Warnings about toxic fumes and dust hazards during operation.

Work Area Safety and Thrown Objects

Rules for clearing the work area and protecting from thrown debris.

Cutting Attachment and Component Safety

Cutting Attachment Checks and Warnings

Procedures for checking attachment tightness and condition.

Engine Component Safety Warnings

Warnings about hot parts, mufflers, and gearboxes.

Cutting Attachment and Mowing Head Usage

Using Cutting Attachments Safely

Warnings about metal blades and proper attachment use.

Mowing Head Operation Guidelines

Instructions for using mowing heads effectively and safely.

Mowing Head Types and Maintenance Safety

Mowing Head Types and Wear Limits

Lists mowing head types and wear indicators for safety.

Maintenance and Repair Safety

Warnings before performing maintenance or repairs.

Approved Cutting Attachment Combinations

Permissible Equipment Combinations

Lists required cutting attachment, guard, handle, and harness.

Deflector and Harness Selection

Importance of choosing the right deflector and harness.

Mounting and Adjusting Controls

Mounting the Loop Handle

Step-by-step guide for attaching the loop handle.

Adjusting the Throttle Cable

Ensures correct throttle operation and response.

Fitting Components and Mounting Attachments

Fitting the Carrying Ring

Attaching the carrying ring for harness connection.

Mounting Cutting Attachments

Procedures for attaching cutting heads, including specific types.

Engine and Fuel Information

4-MIX Engine Overview

Description of the 4-MIX engine technology.

Fuel Requirements and Safety

Details fuel type, octane, ethanol content, and warnings.

Fueling Procedures and Storage

Fuel Mix Preparation and Storage

Instructions for mixing fuel and storing it correctly.

Fueling Safety and Preparations

Steps before and during fueling to prevent hazards.

Fuel Filler Cap Operations

Toolless and Threaded Cap Use

Instructions for opening and closing both types of filler caps.

Harness Fitting and Machine Balancing

Fitting and Adjusting the Harness

How to properly attach and adjust the harness.

Balancing the Brushcutter

Steps to achieve correct balance for comfortable operation.

Starting / Stopping the Engine

Control Handle and Starting Procedure

Identification of controls and steps for starting the engine.

Detaching Unit from Harness

How to safely detach the trimmer from the harness.

Engine Starting and Stopping Details

Cranking and Initial Start Process

Detailed steps for starting the engine, including choke use.

Stopping the Engine and Troubleshooting

Procedures for stopping the engine and addressing start failures.

Operating Instructions and Air Filter Maintenance

Break-in Period and Normal Operation

Guidelines for initial use and ongoing operation.

Cleaning and Installing the Air Filter

Steps for maintaining the air filter for optimal performance.

Engine Management and Carburetor Adjustment

Engine Management Principles

How exhaust emissions are controlled.

Adjusting the Carburetor Idle Speed

Procedures for setting idle speed and troubleshooting.

Spark Arresting Screen Maintenance

Checking and cleaning the spark arresting screen.

Spark Plug Maintenance and Checks

Spark Plug Inspection and Replacement

How to check, clean, and replace the spark plug.

Gearbox Lubrication and Starter Maintenance

Lubricating the Gearbox

Procedure for checking and replenishing gearbox grease.

Rewind Starter Care

Tips to prolong the life of the starter rope.

Storing the Machine and Mowing Head Maintenance

Storing the Machine for Long Periods

Steps for proper storage to prevent damage.

Replacing Nylon Line

Instructions for refilling nylon line in mowing heads.

Cutting Attachment Blade Replacement

Replacing Cutting Blades

Procedure for replacing PolyCut blades.

Maintenance and Care Schedule

Maintenance and Care Schedule Continued

Main Parts Identification

Maintenance and Repairs

Disposal Guidelines

Federal Emission Control Warranty Statement

Warranty Rights, Responsibilities, and Coverage

Explains user rights, owner's duties, and STIHL's coverage.

Warranty Period and Manufacturer's Commitment

Defines warranty duration and STIHL's emission standard adherence.

Federal Emission Control Warranty Details

Diagnosis, Warranty Work, and Maintenance

Procedures for warranty claims, repairs, and owner maintenance.

Warranty Limitations and Parts List

Exclusions from warranty and list of covered emission parts.

California Emission Control Warranty Statement

California Warranty Rights and Responsibilities

User rights and owner's duties specific to California.

California Warranty Coverage and Period

STIHL's coverage and duration for California emission standards.

California Emission Control Warranty Details

Emission Warranty Parts List

List of parts covered under the emission warranty.

Claiming Service and Warranty Limitations

Procedures for service claims and warranty exclusions.

Trademarks and Brand Information

STIHL Registered Trademarks

Official STIHL registered brand names.

STIHL Common Law Trademarks

Other STIHL trademarks and brand associations.

Additional STIHL Trademarks

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