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Stihl 4180 Series User Manual

Stihl 4180 Series
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STIH)
STIHL Basismotor 4180
2007-11
HL 100
HT 100
HT 101
HT 130
HT 131
KM 90
KM 100
KM 110
KM 130
FC 90
FC 95
FC 100
FC 110
FS 90
FS 100
FS 110
FS 130

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Stihl 4180 Series Specifications

General IconGeneral
Engine Type2-stroke
Ignition systemElectronic
StarterRecoil starter
Idle speed2800 rpm
CarburetorDiaphragm

Summary

Introduction to STIHL Basismotor 4180

Safety Precautions for Operation and Repair

Technical Specifications for STIHL Basismotor 4180

Engine Specifications

Details engine displacement, bore, stroke, power, and speed specifications.

Spark Plug Type and Gap

Specifies spark plug type and electrode gap.

Fuel System Pressure Tests

Provides pressure test specifications for crankcase and carburetor.

Tightening Torques for Components

Lists fasteners and their required torque values for assembly.

Troubleshooting Common Issues

Clutch Malfunctions and Solutions

Lists common clutch problems, their causes, and remedies.

Rewind Starter System Problems

Addresses issues with the starter rope and rewind mechanism.

Ignition System Fault Diagnosis

Covers troubleshooting for no spark or rough engine running.

Carburetor Performance Issues

Explains common carburetor issues like flooding or poor acceleration.

Engine Performance Troubleshooting

Guides on diagnosing problems like starting difficulties or erratic running.

Rewind Starter and Shroud Maintenance

General Starter Mechanism Notes

Provides general advice on starter rope stiffness and lubrication.

Rewind Starter Removal and Installation

Step-by-step instructions for removing and reinstalling the rewind starter assembly.

Rope Rotor, Starter Rope, and Tensioning

Details rotor removal, rope replacement, and spring tensioning procedures.

Rewind Spring and Pawl Replacement

Instructions for replacing the rewind spring and pawl.

Shroud Removal Procedure

Procedure for removing the engine shroud.

Fuel System Service and Maintenance

Air Filter Cleaning and Replacement

Describes cleaning and replacing the air filter element and housing.

Carburetor Leakage Test and Servicing

Covers carburetor leakage testing and removal/installation.

Manual Fuel Pump and Diaphragm Service

Details fuel pump component service, including diaphragm replacement.

Inlet Needle, Accelerator Pump, and Idle Speed Adjustment

Guides on servicing inlet needle, accelerator pump, and adjusting idle speed.

Basic Carburetor Settings and Tank Vent System

Provides carburetor base settings and tank vent system checks.

Fuel Tank and Fuel Line Servicing

Overview of fuel delivery, tank cleaning, and fuel line procedures.

Engine Service and Repair Procedures

Compression Pressure and Valve Clearance

Procedures for compression testing and valve clearance adjustment.

Rocker Arm, Pushrod, and Cam Gear Service

Instructions for adjusting valves and servicing cam components.

Muffler, Clutch, and Flywheel Service

Procedures for servicing the muffler, clutch, and flywheel.

Crankshaft, Crankcase, and Piston Service

Guides for servicing the crankshaft, crankcase, and piston components.

Piston Ring Installation and Valve Service

Guides on installing piston rings and servicing valves.

Engine Leakage Testing Procedures

Procedure for performing vacuum and pressure tests on the engine.

Ignition System Maintenance and Troubleshooting

Spark Plug Boot and Ignition Module Service

Instructions for servicing the spark plug boot and ignition module.

Ignition System Testing and Troubleshooting

Guides for testing ignition system components and using a troubleshooting flowchart.

Throttle Control System Service

Throttle Trigger, Lockout Lever, and Tensioner Service

Procedures for servicing throttle trigger, lockout lever, and cable tensioner.

Throttle Cable Adjustment and Slide Control

Guides for adjusting throttle cable and servicing the slide control mechanism.

AV System Component Service

AV System Component Removal and Installation

Instructions for removing and installing AV system components like fan housing.

Special Servicing Tools

Special Accessories and Consumables

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