Understanding the Stihl BG55 Parts Diagram
The parts diagram for the Stihl BG55 handheld blower serves as a visual map, illustrating the location and relationship of various components. It is typically divided into sections such as the engine assembly, air filtration system, fuel system, and blower tube. Familiarity with this diagram is vital for effective troubleshooting, maintenance, and repairs.
Why a Parts Diagram Is Important
- Identifies individual components: Helps locate specific parts for replacement or inspection.
- Facilitates repairs: Provides a clear visual to guide disassembly and reassembly.
- Prevents incorrect assembly: Ensures parts are correctly positioned, maintaining optimal performance.
- Aids in ordering parts: Allows precise identification of parts numbers and descriptions.
Main Components in the Stihl BG55 Parts Diagram
The diagram encompasses numerous parts, but some are more critical for the blower's operation. Below is an overview of the main sections and their key components.
1. Engine Assembly
The engine powers the blower and includes several vital parts:
- Cylinder and Piston: The core combustion chamber where fuel combustion occurs.
- Crankcase: Houses the crankshaft and supports engine components.
- Reed Valve: Controls airflow into the crankcase, ensuring proper intake.
- Ignition System: Comprises the ignition coil, spark plug, and related wiring.
2. Air Filtration System
Maintains clean air intake, crucial for engine longevity:
- Air Filter Cover: Encloses the air filter, protecting it from debris.
- Air Filter Element: Filters dust and dirt from incoming air.
- Air Filter Base: Supports the filter element and connects to the carburetor.
3. Fuel System
Ensures proper fuel delivery to the engine:
- Fuel Tank: Stores gasoline for combustion.
- Fuel Filter: Filters impurities from fuel before reaching the carburetor.
- Fuel Line: Connects the tank to the carburetor, supplying fuel.
- Primer Bulb: Facilitates initial fuel flow to start the engine.
4. Carburetor
Mixes air and fuel in the correct ratio:
- Carburetor Body: The main structure housing the mixing chamber.
- Throttle Valve: Regulates engine speed.
- Choke Lever: Controls air intake during startup.
5. Exhaust System
Reduces emissions and noise:
- Exhaust Muffler: Damps engine noise and directs exhaust gases away.
- Exhaust Gasket: Seals the connection between the muffler and engine.
6. Blower Assembly
Provides the airflow for cleaning or clearing debris:
- Blower Tube: Conveys air from the engine to the outlet.
- Fan Wheel: Spins to generate airflow.
- Outlet Nozzle: Focuses the air stream for effective blowing.
7. Starting and Control Components
Includes elements that facilitate starting and operation:
- Recoil Starter: Manual pull cord to start the engine.
- Throttle Trigger: Controls engine speed and airflow output.
- Throttle Lockout: Safety feature preventing accidental throttle engagement.
Common Parts and Their Replacement in the BG55
Understanding which parts are most prone to wear or damage can help in timely maintenance:
- Spark Plug: Replace when fouled or worn to ensure reliable ignition.
- Air Filter Element: Clean or replace regularly to prevent dust ingress.
- Fuel Filter: Change periodically to maintain fuel flow quality.
- Carburetor Components: Clean or rebuild if engine performance declines.
- Blower Tube and Nozzle: Inspect for cracks or blockages and replace if damaged.
How to Use the Parts Diagram for Repairs
Using the parts diagram effectively involves several steps:
- Identify the issue: Determine which component may be faulty based on symptoms.
- Locate the part on the diagram: Find the corresponding component in the diagram to understand its placement.
- Order the correct part: Use part numbers from the diagram to purchase authentic replacements.
- Disassemble carefully: Follow the diagram to remove components without damaging surrounding parts.
- Replace and reassemble: Install new parts in the reverse order, ensuring correct placement.
Tips for Maintaining Your Stihl BG55
Regular maintenance using the parts diagram as a guide can extend the blower's lifespan:
- Clean the air filter regularly to prevent clogging.
- Check and replace spark plugs annually or after 100 hours of use.
- Inspect fuel lines and filters for cracks or blockages.
- Keep the blower tube and nozzle clean from debris or obstructions.
- Schedule professional inspections if you notice unusual noises or decreased performance.
Where to Find Authentic Parts and Diagrams
To ensure compatibility and quality, always source parts from authorized Stihl dealers or reputable suppliers. Many online resources offer detailed parts diagrams and schematics:
- Stihl official website: Provides downloadable PDFs of parts diagrams.
- Authorized service centers: Offer expert advice and genuine replacement parts.
- Online marketplaces: Ensure they specify genuine parts for the BG55 model.
Conclusion
Having a thorough understanding of the stihl bg55 parts diagram is invaluable for anyone looking to maintain, repair, or restore their blower. From the engine to the blower tube, recognizing each component's role and placement can make troubleshooting more straightforward and repairs more efficient. Regular maintenance guided by the diagram ensures optimal performance and longevity of the equipment. Remember, always use genuine parts and consult professional technicians when in doubt to keep your Stihl BG55 operating smoothly for years to come.
Frequently Asked Questions
Where can I find a parts diagram for the STIHL BG 55 blower?
You can find the STIHL BG 55 parts diagram on the official STIHL website under the 'Parts and Accessories' section or consult authorized STIHL dealers for detailed diagrams and parts catalogs.
What are the main components shown in the STIHL BG 55 parts diagram?
The parts diagram typically includes the air filter, impeller, carburetor, starter assembly, fuel tank, and blower tube, among other internal and external components.
How can I identify the specific part number for a replacement on the STIHL BG 55 diagram?
Locate the part in the diagram, note its reference number, then cross-reference that number with the STIHL parts catalog or service manual to find the exact part number.
Are spare parts for the STIHL BG 55 interchangeable with other models?
Some parts may be compatible with similar STIHL blower models, but it’s recommended to consult the parts diagram or a professional to ensure proper fit and compatibility.
What should I do if a part in my STIHL BG 55 blower is broken or missing?
Identify the part using the parts diagram, then order the replacement from an authorized STIHL dealer or online parts supplier to ensure authenticity and proper fit.
Is it possible to repair my STIHL BG 55 using only the parts diagram and common tools?
While the parts diagram provides guidance, repairing your blower requires proper tools and technical knowledge. For safety and accuracy, consider consulting a professional technician or authorized service center.
