1. Safety Information
WARNING: Read this entire manual carefully before operating the STIGA BC 555 B brushcutter. Failure to follow instructions can result in serious injury or death.
- Always wear appropriate personal protective equipment (PPE) including long pants, safety glasses, sturdy footwear, hearing protection, and gloves.
- Be aware of thrown debris and sharp blades. Keep bystanders, children, and pets at a safe distance (at least 15 meters).
- Inspect the work area for objects that could be thrown or entangled in the cutting head.
- Ensure the brushcutter is in good working condition before each use. Do not operate if damaged.
- Handle fuel with extreme care. Store in approved containers, mix in a well-ventilated area, and avoid spilling.
- Never operate the brushcutter under the influence of alcohol, drugs, or medication that may impair judgment.
2. Product Overview
The STIGA BC 555 B is a powerful gas-powered brushcutter designed for demanding garden tasks. It features a 51.7 cc (1.55 kW) engine, a straight shaft, and a 45 cm cutting width. Its ergonomic design, reinforced structure, and low vibration levels ensure user comfort and control. The unit comes equipped with a Tap&Go dual-line nylon head and a 3-tooth metal blade for versatile cutting applications.
Figure 2.1: Full view of the STIGA BC 555 B Brushcutter, showcasing its overall design with the engine, shaft, handle, and cutting head.
3. Components
Familiarize yourself with the main components of your STIGA BC 555 B brushcutter:
- Engine Unit: The power source, housing the 51.7 cc engine.
- Shaft: The long, straight tube connecting the engine to the cutting head.
- Bicycle Handlebar: Ergonomically designed for comfortable two-hand operation and control.
- Control Handle: Located on the handlebar, containing the throttle trigger, safety lock, and stop switch.
- Cutting Guard: Protects the user from thrown debris.
- Tap&Go Dual Line Head: For nylon line cutting, allows line advancement by tapping on the ground.
- 3-Tooth Metal Blade: For heavier brush and thicker vegetation.
- Double Harness: Distributes the weight of the machine for reduced fatigue.
Figure 3.1: An alternative view of the brushcutter, highlighting the engine, shaft, and cutting head assembly.
Figure 3.2: Close-up of the control handle, showing the throttle trigger and stop switch for operational control.
4. Setup and Assembly
Before first use, some assembly is required. Follow these steps carefully:
- Handlebar Assembly: Attach the bicycle handlebar to the shaft using the provided fasteners. Ensure it is securely tightened and positioned for comfortable operation.
- Cutting Guard Installation: Securely attach the cutting guard to the shaft above the cutting head. This guard is essential for user safety.
- Cutting Head/Blade Attachment: Depending on your task, install either the Tap&Go nylon head or the 3-tooth metal blade. Refer to the specific instructions in your detailed manual for correct attachment and torque specifications.
- Harness Adjustment: Attach the double harness to the brushcutter. Adjust the straps to ensure the machine is balanced and comfortable to wear, distributing the weight evenly across your shoulders and back.
- Fuel Mixture: This brushcutter requires a specific fuel-oil mixture. Consult your engine manual for the correct ratio (typically 2-stroke oil mixed with unleaded gasoline). Mix fuel in an approved container and fill the fuel tank carefully, avoiding spills.
Figure 4.1: Detail of the handlebar attachment point on the brushcutter shaft, showing the secure mounting mechanism.
Figure 4.2: Close-up of the harness attachment point on the brushcutter shaft, designed for connecting the double harness.
5. Operating Instructions
5.1 Starting the Engine
- Place the brushcutter on a flat, stable surface.
- Ensure the stop switch is in the 'ON' position.
- Engage the choke (if the engine is cold).
- Press the primer bulb several times until fuel is visible.
- Pull the starter cord firmly and steadily until the engine starts.
- Once started, disengage the choke gradually. Allow the engine to warm up for a few moments before use.
5.2 Using the Brushcutter
- Wear the double harness correctly, ensuring the brushcutter is balanced and comfortable.
- Maintain a firm grip on both handlebars.
- Keep the cutting head parallel to the ground.
- Use a sweeping motion, cutting from right to left for optimal efficiency and debris control.
- For the Tap&Go head, lightly tap the cutting head on the ground while the engine is running at full throttle to advance the nylon line.
- When using the metal blade, be extra cautious of kickback and avoid contact with hard objects.
5.3 Stopping the Engine
To stop the engine, simply move the stop switch to the 'OFF' position.
6. Maintenance
Regular maintenance ensures optimal performance and extends the life of your brushcutter.
- Air Filter: Clean or replace the air filter regularly, especially in dusty conditions. A clogged filter reduces engine performance.
- Spark Plug: Inspect and clean the spark plug periodically. Replace if worn or fouled.
- Fuel Filter: Check and replace the fuel filter as needed to prevent fuel system blockages.
- Cutting Head/Blade: Inspect the nylon line for wear and replace as necessary. Sharpen or replace the metal blade if it becomes dull or damaged.
- General Cleaning: After each use, clean the brushcutter, removing grass, dirt, and debris from the engine, shaft, and cutting head.
- Storage: For long-term storage, drain the fuel tank or use a fuel stabilizer. Clean the machine thoroughly and store it in a dry, secure location.
7. Troubleshooting
Here are some common issues and their potential solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Engine won't start | No fuel, incorrect choke setting, fouled spark plug, clogged fuel filter | Check fuel level and mixture, adjust choke, clean/replace spark plug, replace fuel filter |
| Loss of power during operation | Clogged air filter, incorrect fuel mixture, dull cutting tool | Clean/replace air filter, ensure correct fuel mixture, sharpen/replace cutting tool |
| Excessive vibration | Damaged or unbalanced cutting head/blade, loose components | Inspect and replace damaged cutting tools, tighten all fasteners |
| Nylon line not advancing | Line tangled, insufficient engine speed, empty spool | Untangle line, ensure full throttle when tapping, refill spool |
8. Specifications
Key technical specifications for the STIGA BC 555 B Brushcutter:
| Feature | Specification |
|---|---|
| Engine Displacement | 51.7 cm³ |
| Engine Power | 1.55 kW |
| Cutting Width | 45 cm |
| Handle Type | Bicycle Handlebar |
| Cutting Head | Tap&Go Dual Line Head |
| Blade Type | 3-Tooth Metal Blade |
| Harness | Double Harness |
| Product Dimensions (L x W x H) | 1890 x 690 x 12.7 cm |
| Item Weight | 9.8 Kilograms |
| Power Source | Gas-powered |
| Model Number | 287421002/ST1 |
9. Warranty and Support
The STIGA BC 555 B brushcutter is covered by a manufacturer's warranty. Please refer to the warranty card included with your product for specific terms and conditions, including warranty duration and coverage details. For technical support, spare parts, or service, please contact your authorized STIGA dealer or visit the official STIGA website for assistance.
