STIHL BG 56, BG 56 C, BG 66, BG 66 C, BG 86, BG 86 C Service Manual
This service manual contains detailed descriptions of all the repair and servicing procedures specific to this power tool. Part numbers can be identified by the STIHL logo.
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Sample pages from the STIHL BG 56, BG 56 C, BG 66, BG 66 C, BG 86, BG 86 C Service Manual manual
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Models Covered & Key Technical Specifications
STIHL BG 56, BG 66, BG 86 (2008-01) Comprehensive Service & Repair Manual Documentation-Set STIHL Leaf Blower | BG 56, BG 66, BG 86 Set
- Documented Bolt Torques: M5 screws are set to 3.5 Nm Benchmarks.
- Calibrated Volume Data: The filter housing is set to 27.2 cm³ Benchmarks.
- Authorized Clearance Data: The spark plug gap dictates 0.5 mm Requirements.
- Core Output Rating: The engine power is set to 0.70 kW (1.0 bhp) for BG 56, SH 56 Requirements.
- Rated Processing Speed: Idle speed is set to 2500 rpm Benchmarks.
- Principal Coupling Torques: M8x1 L nuts limit 17.0 Nm Threshold.
Professional Workshop Service Manual & Technical Specifications
STIHL BG 56, BG 66, BG 86 Service Manual
Repair-Classification: STIHL / System-Identifier: BG 56, BG 66, BG 86 / Repair-Classification: Service Manual
| Assessment-Element | Baseline | Validation-Data |
|---|---|---|
| Air Filter Housing | 27.2 cm³ | 0.70 kW (1.0 bhp) |
| Carburetor Specs | 34 mm | 5800 rpm |
| Ignition System | 0.5 bar | 7200 rpm |
| Max. Speed | 30 mm | 2500 rpm |
| Bore Size | 0.15 ... 0.30 mm | 0.8 kW (1.1 bhp) |
| Torque Specs | 3.5 Nm | 0.5 bar |
Following OEM groupings, the manual includes:
- Introduction
- Safety Precautions
- Specifications
- Troubleshooting
- Engine
- Ignition System
- Rewind Starter
- Repairing AV System
- Control Levers
- Fuel System
- Blower and Vacuum Attachment
- Special Servicing Tools
- Servicing Aids
This comprehensive document provides detailed insights into the BG 56, BG 66, and BG 86 series, covering every aspect from basic maintenance to complex repairs. It includes diagrams and step-by-step instructions for all assemblies and systems, ensuring a structured approach to diagnostics and servicing.
Ignition System
Troubleshooting the ignition system is crucial for engine performance. This manual details procedures for checking the spark plug, ignition module, and related components, offering guidance on fault diagnosis and resolution.
Fuel System
Dive deep into the fuel system's intricacies, from air filter maintenance to carburetor adjustments. The manual covers fuel hose replacement, tank venting tests, and detailed carburetor servicing, including diaphragm and needle valve procedures.
Rewind Starter
Learn to service the rewind starter mechanism, addressing common issues like stiff or slow rope action. The manual provides instructions for removing, cleaning, and installing components such as pawls, springs, and the rope rotor.
Blower and Vacuum Attachment
This section details the maintenance and repair of the blower and vacuum attachments. It includes procedures for removing and installing the intake screen, fan housing, blower tube, and elbow to ensure optimal performance and longevity.
The technical manual documents torque specifications for engine components to ensure proper thermal expansion compensation.
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