Einführung
Thank you for choosing the Bosch GKS 20-65 Portable Circular Saw. This powerful and robust tool is designed for efficient and heavy-duty cutting tasks, particularly in wood. Its compact design and optimized features ensure precision, safety, and durability for industrial use. This manual provides essential information for the safe operation, maintenance, and troubleshooting of your circular saw.
Allgemeine Sicherheitshinweise
Beachten Sie stets die folgenden Sicherheitsvorkehrungen, um Stromschläge, Brände und schwere Verletzungen zu vermeiden.
- Sicherheit am Arbeitsplatz: Halten Sie Ihren Arbeitsbereich sauber und gut beleuchtet. Unordnung oder Dunkelheit erhöhen die Unfallgefahr. Betreiben Sie Elektrowerkzeuge nicht in explosionsgefährdeten Bereichen, z. B. in der Nähe von brennbaren Flüssigkeiten, Gasen oder Stäuben.
- Elektrische Sicherheit: Der Stecker von Elektrowerkzeugen muss zur Steckdose passen. Der Stecker darf niemals verändert werden. Vermeiden Sie jeglichen Körperkontakt mit geerdeten Oberflächen. Setzen Sie Elektrowerkzeuge weder Regen noch Nässe aus.
- Persönliche Sicherheit: Tragen Sie stets eine Schutzbrille. Verwenden Sie beim Bedienen lauter Werkzeuge einen Gehörschutz. Kleiden Sie sich angemessen; vermeiden Sie weite Kleidung und Schmuck. Binden Sie lange Haare zusammen.
- Werkzeuggebrauch und -pflege: Wenden Sie keine Gewalt an. Verwenden Sie das für Ihren Anwendungszweck geeignete Elektrowerkzeug. Trennen Sie den Netzstecker, bevor Sie Einstellungen vornehmen, Zubehör wechseln oder Elektrowerkzeuge lagern.
- Schmiergeldprävention: Always hold the saw firmly with both hands. Ensure the workpiece is properly supported. Avoid cutting wet or warped wood.
Komponenten überview
Familiarize yourself with the main parts of your Bosch GKS 20-65 Circular Saw for safe and effective operation.

Abbildung 1: Front view of the Bosch GKS 20-65 Portable Circular Saw, showing the main handle, auxiliary handle, blade guard, and the carbide blade. This view highlights the robust construction and the clear markings on the base plate for precise cuts.

Abbildung 2: Abgewinkelt view of the Bosch GKS 20-65 Portable Circular Saw, providing a better perspective of the motor housing and the overall compact design. The ergonomic handles are visible, designed for comfortable and stable operation.

Abbildung 3: Hinteren view of the Bosch GKS 20-65 Portable Circular Saw, emphasizing the powerful motor and the ventilation design. This angle also shows the power cord connection point and the robust casing.
Aufstellen
1. Auspacken und Inspektion
Carefully remove the circular saw and all accessories from the packaging. Inspect the tool for any signs of damage that may have occurred during shipping. Do not operate the tool if it appears damaged.
2. Klingenmontage (falls nicht vorinstalliert)
- Stellen Sie sicher, dass die Säge vom Stromnetz getrennt ist.
- Drücken Sie den Spindelarretierungsknopf, um die Klingenwelle zu sichern.
- Use the provided wrench to loosen the blade bolt by turning it counter-clockwise.
- Lift the lower blade guard and remove the outer flange.
- Place the new carbide blade onto the spindle, ensuring the rotation arrow on the blade matches the arrow on the saw's guard.
- Replace the outer flange and tighten the blade bolt clockwise using the wrench. Release the spindle lock.
3. Schnitttiefe einstellen
The cutting depth can be adjusted to match the thickness of your workpiece. Loosen the depth adjustment lever, move the base plate up or down to the desired depth indicated on the scale, and then securely tighten the lever.
4. Einstellen des Fasenwinkels
For angled cuts, loosen the bevel adjustment knob, tilt the base plate to the desired angle (up to 45 degrees) indicated on the bevel scale, and then tighten the knob firmly.
Bedienungsanleitung
1. Ein-/Ausschalten
To start the saw, press the trigger switch. To stop, release the trigger switch. Some models may have a lock-on button for continuous operation; press the trigger, then the lock-on button, and release the trigger. To turn off from lock-on, press and release the trigger again.
2. Einen Schnitt machen
Stellen Sie sicher, dass Ihr Werkstück sicher befestigt ist.amped. Align the perfected base plate markings with your cutting line. Hold the saw firmly with both hands, utilizing the auxiliary handle for increased stability. Allow the blade to reach full speed before entering the material. Maintain a steady, consistent feed rate. The optimized guard design ensures efficient dust extraction during operation.

Abbildung 4: A user demonstrating the Bosch GKS 20-65 Portable Circular Saw in action, cutting a wooden board. This image illustrates proper two-handed grip and the saw's application in a professional setting, highlighting its stability and ease of use for precise cuts.
3. Using Bosch Accessories
For optimal performance and extended tool life, always use genuine Bosch accessories, such as high-quality carbide blades suitable for wood cutting.
Wartung
1. Reinigung
Regularly clean the saw's ventilation openings to prevent motor overheating. Use a soft brush or compressed air to remove dust and debris from the motor housing and blade guard. Do not use water or chemical cleaners.
2. Klingenpflege
Inspect the blade regularly for sharpness and damage. A dull or damaged blade can cause kickback and poor cut quality. Replace worn blades promptly. Ensure the blade is clean of resin buildup, which can be removed with a suitable blade cleaner.
3. Speicherung
When not in use, store the circular saw in a dry, secure location out of reach of children. Protect the power cord from damage. If storing for extended periods, ensure the tool is clean and the blade is protected.
Fehlerbehebung
| Problem | Mögliche Ursache | Lösung |
|---|---|---|
| Säge startet nicht | No power supply; faulty switch; carbon brushes worn. | Check power cord and outlet. Ensure switch is fully engaged. Consult a qualified service technician for brush replacement. |
| Übermäßige Vibrationen oder Lärm | Loose blade; damaged blade; bent arbor. | Tighten blade bolt. Replace damaged blade. If arbor is bent, seek professional repair. |
| Die Klinge klemmt oder raucht beim Schneiden. | Dull blade; incorrect blade for material; improper feed rate; workpiece not supported. | Replace or sharpen blade. Use appropriate blade for wood. Reduce feed rate. Ensure workpiece is stable and supported. |
| Schlechte Schnittqualität (rauhe Kanten, Splitterbildung) | Dull blade; incorrect blade type; improper depth setting. | Replace or sharpen blade. Use a fine-tooth blade for finish cuts. Adjust cutting depth correctly. |
Technische Daten
| Besonderheit | Detail |
|---|---|
| Marke | Bosch |
| Modell | GKS 20-65 |
| Farbe | Blau |
| Klingenmaterial | Hartmetall |
| Empfohlene Oberfläche | Holz |
| Stromquelle | Stromkabel |
| Besonderheit | Stabilität und Sicherheit |
| Im Lieferumfang enthaltene Komponenten | Portable Circular Saw GKS 20-65 |
| Technische Daten | 40L x 32B x 22H Zentimeter |
| Bandtage | 127 Volt |
Garantie und Support
Your Bosch GKS 20-65 Portable Circular Saw comes with a Eingeschränkte Garantie. Please refer to the warranty card included with your purchase for specific terms, conditions, and duration. For technical assistance, service, or to inquire about warranty claims, please contact Bosch customer support through their official website or authorized service centers. Always provide your model number (GKS 20-65) and purchase details when seeking support.
Weitere Informationen finden Sie auf der offiziellen Website. Bosch Professional Store auf Amazon.