The Stihl hs81 hs86 Machine service & repair manual is the complete 110-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. Foreword
- 2. Safety
- 3. Specifications
- 3.1 Power unit
- 3.2 Fuel system
- 3.3 Ignition system
- 3.4 Tightening torques
- 4. Troubleshooting
- 4.1 Clutch
- 4.2 Cutting attachment
- 4.3 Rewind starter
- 4.4 Ignition system
- 4.5 Carburetor
- 4.6 Engine
- 5. Cutting attachment
- 5.1 Removal and installation, trimmer versions
- 5.2 Removal and installation, cutter versions
- 5.3 Disassembly of cutting attachment HS 81
- 5.4 Disassembly of cutting attachment HS 86
- 5.5 Disassembly HS 81 T/ HS 86 T, adjustment set for blade clearance
- 6. Gear
- 6.1 Gear wheel, trimmer versions
- 6.2 Gear wheel, cutter versions
- 6.3 Drive pinion
- 6.4 Gear housing
- 6.5 Grease gearbox
- 7. Clutch
- 7.1 Removal and installation
- 7.2 Clutch drum, trimmer versions
- 7.3 Clutch drum cutter versions
- 8. Engine
- 8.1 Muffler, spark arresting screen
- 8.2 Leakage testing
- 8.3 Oil seals
- 8.4 Complete engine
- 8.5 Crankshaft
- 8.6 Piston
- 8.7 Piston rings
- 9. Ignition system
- 9.1 Ignition module
- 9.2 Ignition timing
- 9.3 Testing the ignition module
- 9.4 Spark plug terminal / ignition lead
- 9.5 Flywheel
- 9.6 Short circuit wire
- 9.7 Troubleshooting chart, ignition system
- 10. Rewind starter
- 10.1 General
- 10.2 Pawls
- 10.3 Rope rotor
- 10.4 Starter rope / grip
- 10.5 Tensioning the rewind spring
- 10.6 Replacing the rewind spring
- 10.7 Starter rope guide bushing
Built for real workshop use — the complete reference for keeping this machine running season after season.
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