Stihl FS 550 User Manual

Instruction Manual
Manual de instrucciones
Warning!
For safe operation follow all safety
precautions in Instruction Manual - improper
use can cause serious injury.
Advertencia!
Para su seguridad durante el manejo de este
producto, siga siempre las precauciones de
seguridad dadas en el manual de
instrucciones - el uso indebido puede causar
lesiones graves.
STIH)
STIHL FS 500, 550
BA_U1_86_01.fm Seite 0 Mittwoch, 28. Mai 2003 1:40 13

Stihl FS 550 Specifications

General

Engine Power	2.8 kW
Engine Type	2-stroke
Ignition System	Electronic
Fuel Capacity	0.99 liters
Fuel Tank Capacity	0.99 liters
Recommended Cutting Attachment	Metal Grass Cutting Blade
Starter	Recoil

Summary

Safety Precautions and Working Techniques

THE OPERATOR

Details physical and mental requirements for safe operation.

Proper Clothing

Guidelines for appropriate attire to minimize injury risk.

THE USE OF THE CLEARING SAW

Fueling

Information on refueling the clearing saw.

Starting

Step-by-step guide to starting the engine.

MAINTENANCE, REPAIR AND STORING

Important adjustments

Covers critical adjustments for safe operation.

USING THE CUTTING TOOLS

Using the mowing heads

Instructions for using various mowing heads.

Mounting the Bike Handle

Risk of "kickout" (blade thrust) with all rigid cutting blades

Explains the danger of kickout with rigid blades.

Adjusting the Throttle Cable*

Throttle Cable Adjustment*

Details how to adjust the throttle cable for proper operation.

Adjusting Nylon Line

Fuel

Fueling

Fitting the Harness

Starting / Stopping the Engine

For cold start,

Steps for starting a cold engine.

For warm start,

Steps for starting a warm engine.

To shut down the engine:

Procedure to safely turn off the engine.

If the engine doesn't start:

Troubleshooting steps for a non-starting engine.

Operating Instructions

During break-in period

Guidelines for initial use of a new machine.

During operation

Recommendations for operating the machine.

Cleaning the Air Filter

If there is a noticeable loss of engine power

Adjusting the Carburetor

Standard Setting

Fine Tuning

Adjusting Idle Speed

Spark Arresting Screen* in Muffler

Erratic idling behavior, engine stops even though setting of LA screw is correct, poor acceleration

Checking the Spark Plug

Replacing the Starter Rope and Rewind Spring

Replacing a Broken Starter Rope

Storing the Machine

Sharpening Metal Cutting Tools

To avoid out-of-balance!

Maintenance Chart

Maintenance and Repairs

STIHL Incorporated Federal and California Emission Control Warranty Statement

Your Warranty Rights and Obligations

Outlines owner's rights and responsibilities under warranty.

Manufacturer's Warranty Coverage:

Details what the manufacturer covers under warranty.

Owner's Warranty Responsibilities:

Lists owner's duties for warranty validity.

Coverage by STIHL Incorporated

Specifies STIHL's warranty coverage details.

Warranty Period

When warranty periods begin and what they cover.

Warranty Work

Procedures for warranty repairs and parts.