Stihl FS40 FS50 FS56 FC56 KM56 Machine Service & Repair Manual

The Stihl FS40 FS50 FS56 FC56 KM56 Machine service & repair manual is the complete 82-page factory workshop manual for this machine — with full step-by-step procedures, specifications, torque values, wiring and hydraulic diagrams and fault diagnosis.

What’s inside this manual:

• Contents
• 1. Introduction
• 2. Safety Precautions
• 3. Specifications
• 3.1 Engine
• 3.2 Fuel System
• 3.3 Ignition System
• 3.4 Tightening Torquese
• 4. Troubleshooting
• 4.1 Clutch
• 4.2 Rewind Starter
• 4.3 Ignition System
• 4.4 Carburetor
• 4.5 Engine
• 5. Engine
• 5.1 Removing and Installing
• 5.2 Leakage test
• 5.3 Oil seals
• 5.4 Ignition Module / Spark Plug Boot
• 5.5 Clutch
• 5.6 Flywheel
• 5.7 Motor
• 5.8 Muffler / Spark Arresting Screen
• 5.9 Short Circuit Wire
• 5.10 Ignition System Troubleshooting
• 6. Rewind Starter
• 6.1 General
• 6.2 Removing and Installing
• 6.3 Pawls
• 6.4 Rope Rotor
• 6.5 Starter Rope / Grip
• 6.6 Tensioning the Rewind Spring
• 6.7 Replacing the Rewind Spring
• 6.8 ErgoStart
• 7. Control Levers
• 7.1 Switch Shaft / Control Lever
• 7.2 Switch Positions
• 7.3 Interlock Lever (Loop Handle)
• 7.4 Throttle Trigger/Interlock Lever (Bike Handle)
• 7.5 Handlebar (Bike Handle)
• 8. Fuel System
• 8.1 Air Filter
• 8.2 Removing and Installing the Carburetor
• 8.3 Leakage Test
• 8.4 Servicing the Carburetor
• 8.5 Adjusting the Carburetor
• 8.6 Removing and Installing Throttle Cable (Loop Handle)
• 8.7 Removing and Installing the Spacer Flange
• 8.8 Tank Vent
• 8.9 Fuel Intake
• 8.10 Removing and Installing the Engine Housing
• 9. Drive Tube
• 9.1 Removing and Installing
• 9.2 Add-On Components
• 9.3 Gearbox

With OEM-level detail throughout, it is everything needed to service, diagnose and repair the machine.