Stihl Brush Knife 300-3 (4119 713 4100) Instruction Manual

1. Tuote ohiview

The Stihl Brush Knife 300-3, part number 4119 713 4100, is a genuine Stihl OEM replacement blade designed for heavy-duty clearing applications. This 3-bladed knife is specifically engineered for thinning and removing tough, tangled grass, scrub, and thorny bushes.

Käyttötarkoitus: This brush knife is intended for use with compatible Stihl brushcutters to clear dense vegetation. It is not designed for cutting wood or other hard materials.

Yhteensopivuus: This blade is suitable for the following Stihl brushcutter models: FS160, FS220, FS280, FS290, FS300, FS310, FS350, FS400, FS450, FS480.

Kuva 1.1: The Stihl Brush Knife 300-3. This image shows the Stihl Brush Knife 300-3, a durable metal blade designed for heavy-duty clearing tasks. It features three sharp cutting edges and a central mounting hole.

2. Turvallisuustiedot

VAROITUS: Always read and understand the safety precautions and operating instructions in your brushcutter's owner's manual before installing, operating, or maintaining this brush knife.

• Henkilökohtaiset suojavarusteet (PPE): Always wear appropriate PPE, including eye protection, hearing protection, head protection, heavy-duty gloves, long pants, and safety boots, when handling or operating the brush knife.
• Virta pois: Before performing any installation, maintenance, or inspection, ensure the brushcutter engine is switched off and the spark plug cap is removed to prevent accidental starting.
• Terävät reunat: The brush knife has sharp edges. Handle with extreme care and always wear heavy-duty gloves to prevent injury.
• Turvallinen asennus: Ensure the brush knife is correctly and securely installed according to the brushcutter's manual. An improperly installed blade can detach and cause serious injury.
• Tarkista ennen käyttöä: Before each use, inspect the blade for cracks, bends, or other damage. Do not use a damaged blade; replace it immediately.
• Tyhjennä työalue: Ensure the work area is clear of bystanders, pets, and obstacles that could be struck by the blade or ejected debris.

3. Pakkauksen sisältö

Pakettisi tulisi sisältää seuraavat tuotteet:

• One (1) Stihl Brush Knife 300-3 (Part No. 4119 713 4100)

4. Asennus ja asennus

Installation of the Stihl Brush Knife 300-3 requires careful attention to detail to ensure safe operation. Always refer to your specific Stihl brushcutter's owner's manual for detailed, model-specific instructions and diagrams.

1. Valmistele raivaussaha: Ensure the brushcutter engine is switched off and cool. Remove the spark plug cap to prevent accidental starting. Place the brushcutter on a stable, flat surface.
2. Käytä henkilönsuojaimia: Put on heavy-duty gloves and eye protection before handling the blade.
3. Remove Existing Attachment (if applicable): If an existing cutting attachment is installed, follow your brushcutter's manual to safely remove it. This typically involves using a locking pin or tool to secure the shaft and then unscrewing the retaining nut.
4. Install Brush Knife: Place the Stihl Brush Knife 300-3 onto the brushcutter's gearhead shaft, ensuring the central hole (20mm diameter) aligns correctly. The blade should sit flush against the support washer or plate. Ensure the cutting direction indicated on the blade (if any) matches the rotation direction of the brushcutter.
5. Turvallinen terä: Install the necessary washers, clamping plates, and retaining nut as specified in your brushcutter's manual. Tighten the retaining nut securely using the appropriate tools. Do not overtighten.
6. Tarkista asennus: After installation, manually rotate the blade to ensure it is properly seated and spins freely without wobbling. Check that all fasteners are tight.
7. Lopputarkastus: Reattach the spark plug cap.

5. Käyttöohjeet

The Stihl Brush Knife 300-3 is designed for efficient clearing when used correctly. Always operate your brushcutter according to its owner's manual.

• Käyttöä edeltävä tarkistus: Before starting the brushcutter, ensure the blade is securely attached, free from damage, and the work area is clear.
• Starting the Brushcutter: Follow the starting procedure outlined in your brushcutter's manual.
• Leikkaustekniikka: Use a sweeping motion to cut through dense vegetation. Allow the blade to do the work; do not force it. Maintain a firm grip on the brushcutter handles.
• Säilytä etäisyys: Keep a safe distance from the cutting attachment and ensure bystanders are well away from the operating area.
• Vältä esteitä: Be vigilant for rocks, metal objects, or other hard obstacles that could damage the blade or be ejected.
• Stopping the Brushcutter: Follow the stopping procedure outlined in your brushcutter's manual. Allow the blade to come to a complete stop before setting the machine down.

6. Huolto

Proper maintenance extends the life of your Stihl Brush Knife 300-3 and ensures safe operation.

• Puhdistus: After each use, clean the blade thoroughly to remove sap, dirt, and debris. Use a stiff brush and appropriate cleaning agents if necessary. Ensure the blade is dry before storage.
• Tarkastus: Regularly inspect the blade for signs of wear, cracks, bends, or missing teeth. Even minor damage can compromise safety and performance.
• Teroitus: The 3-bladed knife can be sharpened. Use a suitable file or grinding tool, maintaining the original blade angle. Ensure all three blades are sharpened evenly to maintain balance. If unsure, consult a Stihl authorized dealer.
• Korvaus: Replace the blade if it is severely damaged, bent, or excessively worn. Using a damaged blade can lead to serious injury or damage to the brushcutter.
• Varastointi: Store the brush knife in a dry place, protected from moisture and corrosion. Consider applying a thin layer of oil to prevent rust. Keep out of reach of children.

7. Vianmääritys

If you encounter issues with the brush knife, consider the following:

• Terä ei leikkaa tehokkaasti:
  • Tarkista, onko terä tylsä ​​ja tarvitseeko se teroitusta.
  • Inspect for damage (e.g., bent or chipped edges).
  • Ensure the blade is installed with the correct cutting direction.
• Excessive Vibration During Operation:
  • Verify the blade is securely and correctly installed.
  • Inspect the blade for damage or imbalance (e.g., a bent blade). A damaged or unbalanced blade must be replaced.
  • Ensure the brushcutter's gearhead is functioning correctly (refer to brushcutter manual).
• Blade Detaches During Use:
  • IMMEDIATELY STOP OPERATION. This indicates a severe safety hazard.
  • Check if the retaining nut was properly tightened during installation.
  • Inspect the blade and mounting hardware for damage. Do not reuse damaged components.
  • Consult a Stihl authorized dealer for inspection and repair.

8. Tekniset tiedot

9. Takuu ja tuki

As a genuine Stihl OEM part, this brush knife is manufactured to high-quality standards. For specific warranty information, please refer to the warranty policy provided with your original Stihl brushcutter or contact an authorized Stihl dealer.

For technical support, replacement parts, or service, please contact your local authorized Stihl dealer or visit the official Stihl website. Always provide the full model number of your brushcutter and the part number of the brush knife (4119 713 4100) when seeking assistance.