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Stihl GS 461 User Manual

Stihl GS 461
87 pages
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STIH)
STIHL GS 461
2012-06

Table of Contents

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Stihl GS 461 Specifications

General IconGeneral
BrandStihl
ModelGS 461
CategoryChainsaw
LanguageEnglish

Summary

Introduction and safety precautions

Introduction

Provides an overview of the service manual's purpose and usage guidelines.

Safety precautions

Outlines essential safety measures and precautions for operating and maintaining the equipment.

Specifications

Engine

Details the technical specifications of the engine, including displacement and power output.

Fuel system

Specifies the parameters for the fuel system, including leakage test and tank vent.

Ignition system

Lists the specifications for the ignition system, such as air gap and spark plug details.

Tightening torques

Provides a comprehensive list of fasteners and their specified tightening torques for proper assembly.

Troubleshooting

Clutch

Addresses common problems with the clutch, their causes, and recommended remedies.

Chain Drive, Chain Tensioner

Covers issues related to chain wear, tensioning, and the chain drive system.

Water system

Details troubleshooting steps for water supply issues, leaks, and insufficient flow.

Starter

Helps diagnose and resolve problems with the starter rope, rewind spring, and starter mechanism.

Ignition system

Guides troubleshooting for engine misfires, rough running, and power loss related to the ignition.

Carburetor

Provides solutions for carburetor issues like flooding, stalling, and poor acceleration.

Engine

Covers troubleshooting for engine starting problems, power delivery, and overheating.

Clutch

Clutch drum

Details the removal, examination, and installation of the clutch drum for servicing.

Clutch

Covers general clutch troubleshooting, removal of filter cover, air baffle, spark plug.

Pin / hand guard

Explains the function and procedures for removing and installing the pin and hand guard.

Chain tensioner

Provides instructions for removing, examining, and installing the chain tensioner mechanism.

Cut-off chain

Describes repairable damage to the cut-off chain and the assembly steps for repairs.

Bar mounting studs

Details the process for removing and installing bar mounting studs, including thread coating.

Collar nuts for chain sprocket cover

Explains how to replace collar nuts for the chain sprocket cover using special tools.

Engine

Muffler

Covers the removal, examination, and installation of the muffler and its components.

Leak testing

Guides on how to perform leak testing on the engine using vacuum and pressure methods.

Oil seal on ignition side

Provides instructions for replacing the oil seal on the ignition side of the engine.

Oil seals on clutch side

Details the process for removing and replacing oil seals on the clutch side of the engine.

Shroud

Covers the removal and installation procedures for the engine shroud.

Cylinder

Provides comprehensive instructions for removing and installing the cylinder.

Crankshaft

Details the steps for removing and installing the crankshaft, including associated parts.

Ball bearing / crankcase

Explains how to replace crankcase halves and ball bearings, and handle serial numbers.

Piston

Covers the removal and installation of the piston, including piston pin and snap ring procedures.

Piston rings

Details the process for removing, cleaning, and installing piston rings.

Decompression valve

Explains how to remove, examine, and install the decompression valve.

Ignition system

Ignition timing

States that ignition timing is fixed and cannot be adjusted during repair work.

Ignition module

Covers the removal and installation of the ignition module and its components.

Testing the ignition module

Outlines the procedure for testing the ignition module using specific testers.

Spark plug boot / ignition lead

Provides instructions for removing, installing, and preparing the spark plug boot and ignition lead.

Flywheel

Covers the removal and installation of the flywheel, including checks for damage.

Wiring harness

Details the removal and installation of the entire wiring harness.

Contact spring

Covers the removal, examination, and installation of the contact spring and switch housing.

Troubleshooting, ignition system

Provides a flowchart for troubleshooting ignition system issues when the engine does not run.

Starter

General

Discusses common starter issues like stiffness and slow rewinding, often due to dirt.

Starter Removal and Installation

Details the steps for removing and reinstalling the starter mechanism.

Pawls

Covers the removal, installation, and function of the starter pawls.

Rope rotor

Explains how to relieve rewind spring tension, remove the rope rotor, and inspect parts.

Starter rope / starter grip

Details the removal and installation of the starter rope and grip, including lubrication.

Tensioning Rewind Spring

Guides on how to properly tension the rewind spring and handle potential issues.

Replacing Rewind Spring

Covers the procedure for replacing a worn or broken rewind spring.

Antivibration elements

Ring Buffer Fuel Tank / Clutch Side

Details the removal, examination, and installation of the ring buffer on the fuel tank/clutch side.

Ring Buffer Fuel Tank / Ignition Side

Explains how to remove, examine, and install the ring buffer on the fuel tank/ignition side.

Ring Buffer Guard / Clutch Side

Covers the removal, installation, and checks for the ring buffer guard on the clutch side.

Ring Buffer Guard / Ignition Side

Details the procedure for removing and installing the ring buffer guard on the ignition side.

Stop Buffer on Clutch Side

Covers the removal, examination, and installation of the stop buffer on the clutch side.

Stop Buffer on Ignition Side

Explains how to remove, examine, and install the stop buffer on the ignition side.

Handlebar

Details the removal and installation of the handlebar, including screw fastening.

Guard

Covers the removal and installation of the guard, including stud fitting.

Rubber Buffers / Support

Details the installation of the water hose and its associated clips.

Shut-off Cock

Covers the removal, installation, and checks of the shut-off cock and its connections.

Support

Explains how to remove and install the support, including hose clip operation.

Actuating levers

Master Control Lever

Describes the positions of the Master Control lever as per the instruction manual.

Throttle Trigger / Trigger Interlock

Covers the removal, installation, and checks for the throttle trigger and interlock mechanism.

Throttle Rod

Details the removal and installation of the throttle rod, including linkage and checks.

Fuel system

Air filter

Discusses checking, cleaning, and replacing the air filter and auxiliary filter for engine performance.

Filter base

Covers the removal of the air filter and the filter base.

Carburetor

Details the process for opening the fuel tank, removing the carburetor, and related parts.

Leakage test

Explains how to test the carburetor for leaks using a pump and pressure gauge.

Repairing the carburetor

Provides instructions for repairing the carburetor, including diaphragm and gasket replacement.

Inlet needle

Covers the removal, examination, and replacement of the inlet needle and its spring.

Pump diaphragm

Details the removal, examination, and replacement of the pump diaphragm and gasket.

Adjusting screws

Explains the types of adjusting screws and the procedure for setting them.

Carburetor adjustment

Covers the procedures for basic and standard setting of the carburetor.

Standard setting

Provides detailed steps for setting the idle speed and checking engine behavior.

Intake elbow

Covers the removal, examination, and replacement of the intake elbow for engine performance.

Impulse hose

Details the procedure for removing and installing the impulse hose, checking for damage.

Tank vent

Explains how to test and replace the tank vent if problems arise with the fuel system.

Fuel intake

Covers the removal and examination of the pickup body to ensure proper fuel delivery.

Special Tools

Service Accessories

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