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Stihl FS 66 User Manual

Stihl FS 66
46 pages
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Stihl FS 66 Specifications

General IconGeneral
BrandStihl
ModelFS 66
CategoryBrush Cutter
LanguageEnglish

Summary

FS 66 Parts and Controls

Definitions

FS 66 R Parts and Controls

Safety Precautions and Working Techniques

THE OPERATOR

Details about the physical and mental condition and proper clothing for the operator.

THE BRUSHCUTTER

Transporting the brushcutter

Instructions on how to safely transport the brushcutter, including securing and covering.

Preparation for the use of the brushcutter

Steps to adjust harness and grips for proper balance and control before operation.

THE USE OF THE BRUSHCUTTER

Fueling

Instructions on safe handling, mixing, and storage of fuel for the brushcutter.

Starting

Procedure for starting the brushcutter engine, including choke and throttle use.

Working Conditions

Guidelines for operating the brushcutter safely in various environments and conditions.

Important adjustments

Operating instructions

Guidance on how to attach the brushcutter to the harness and general operating advice.

STIHL "Supercut 2" mowing head

STIHL "Polymatic" mowing head

STIHL "Polycut" mowing head

Using the grass cutting blade

Using the brush knife

Using the circular saw blade

MAINTENANCE, REPAIR AND STORING

Risk of "kickout" with all rigid cutting blades

Explanation of kickout hazard and precautions when using rigid cutting blades.

Assembling the Brushcutter

Mounting the powerhead

Step-by-step guide to attaching the powerhead to the drive tube.

Mounting the two-handed handlebar (FS 66)

Mounting the loop handle (FS 66 R)

Mounting the deflector

Fitting the throttle cable

Procedure for fitting the throttle cable and stop switch lead to the brushcutter.

Mounting the Cutting Tools

STIHL "Supercut 2" mowing head

Detailed instructions for fitting and using the STIHL Supercut 2 mowing head.

STIHL "Polycut 1" mowing head

Detailed instructions for fitting and using the STIHL Polycut 1 mowing head.

STIHL "Polycut 2" mowing head

Detailed instructions for fitting and using the STIHL Polycut 2 mowing head.

STIHL "Polymatic 2" Mowing Head

Detailed instructions for fitting and using the STIHL Polymatic 2 mowing head.

Grass Cutting Blade 230

Brush Knife 250

Circular Saw Blade 200

Fuel

Fitting the Harness – balancing the Brushcutter

Notes on Operation

Starting for first time

Guidance on the initial break-in period for a new brushcutter engine.

During operation

Recommendations for engine operation at full load and idling.

Spark plug

Information on spark plug condition, maintenance, and troubleshooting.

Carburetor

Basic setting

Procedure for setting the basic carburetor adjustments for initial tuning.

Notes for adjusting idle speed

Instructions on how to adjust the idle speed and troubleshoot idling issues.

Air filter

Cutting tool rotates when engine is idling

Troubleshooting steps for when the cutting tool rotates at idle speed.

Erratic idling behavior; poor acceleration

Diagnosing and correcting poor idling and acceleration issues.

Exhaust smokes at idle speed

Troubleshooting steps for excessive exhaust smoke at idle speed.

Gearbox Lubrication

Sharpening the Grass Cutting Blade

Sharpening the Brush Knife

Sharpening the Circular Saw Blade

Rewind Starter

Replacing a broken starter rope

Step-by-step guide to replacing a broken starter rope in the rewind starter.

Maintenance Chart

Specifications (FS 66 and FS 66 R)

Special accessory for FS 66 (two-handed handlebar)

Special accessory for FS 66 R (loop handle)

Key to Symbols

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