Metabo BKS 400 Plus & BKS 450 Plus Stationary Circular Saw Operating Manual

1. General Information

This document serves as the operating manual for the Metabo BKS 400 Plus and BKS 450 Plus stationary circular saws. It contains important information regarding safety, operation, maintenance, and technical specifications. Please read this manual carefully before operating the machine.

The machines are designed for cutting wood, plastics, and similar materials. Figures 1-5 in the original document illustrate the general layout and main components of the saws.

2. Safety Instructions

⚠️ IMPORTANT SAFETY INFORMATION ⚠️

Always adhere to the following safety precautions to prevent accidents and injuries.

• Read and understand all instructions before operating the machine.
• Keep the work area clean and well-lit.
• Do not operate the machine in wet or damp conditions.
• Ensure proper electrical connections and grounding.
• Keep children and unauthorized persons away from the work area.
• Wear appropriate personal protective equipment (PPE): safety glasses, hearing protection, dust mask, and gloves.
• Never remove or tamper with safety guards.
• Ensure the saw blade is sharp, clean, and correctly installed.
• Use the correct saw blade for the material being cut.
• Do not force the machine; let the tool do the work.
• Disconnect power before making any adjustments, changing blades, or performing maintenance.
• Be aware of kickback potential.
• Figures 6-10 in the original document depict various safety-related scenarios and precautions.

3. Machine Description and Components

The Metabo BKS 400 Plus and BKS 450 Plus are robust stationary circular saws designed for professional use.

3.1 General

The saws are equipped with powerful motors and large work tables for efficient material processing. Figures 1-5 illustrate the overall design.

3.2 Operation Safety

Ensure all safety features, such as blade guards and emergency stop buttons, are functional before operation. Figures 6-10 provide visual guidance on safe operating practices.

3.3 Machine Parts

Key components of the saw include:

• Saw Blade (e.g., 17)
• Blade Guard Assembly (e.g., 18)
• Work Table (e.g., 19)
• Rip Fence (e.g., 20)
• Miter Fence (e.g., 21)
• Control Panel (e.g., 22)
• Dust Extraction Port (e.g., 23, 81)
• Stand/Base (e.g., 24)
• Emergency Stop Button (e.g., 25)

Figures 12-25 in the original manual detail these components.

3.4 Technical Data & Capacities

The saws offer specific cutting capacities:

• Maximum cutting width with rip fence (Figure 26).
• Maximum cutting depth (Figure 27).
• Maximum cutting length (Figure 28).
• Dust extraction connection dimensions (Figures 29-30).

4. Operation

Proper operation ensures safety and optimal performance.

• Setup: Ensure the machine is stable and correctly connected to power.
• Blade Guard Adjustment: Adjust the blade guard (Figures 31-33) to ensure adequate protection while allowing material passage.
• Fence Adjustment: Set the rip fence (Figures 34-35) and miter fence (Figures 36-39) for accurate cuts.
• Blade Selection: Use appropriate saw blades for the material and type of cut. Figures 70-76 illustrate various blade types.
• Cutting: Feed material smoothly into the blade. Avoid forcing the saw. Maintain a firm grip and stable stance.
• Dust Extraction: Connect a suitable dust extraction system to the port (Figure 81) to minimize dust.

5. Maintenance

Regular maintenance is crucial for the longevity and safety of the machine.

5.1 Blade Guard Maintenance

Ensure the blade guard assembly (Figures 63-66) operates freely and is correctly adjusted.

5.2 Blade Changing

Disconnect power before changing the saw blade. Follow the procedure outlined in Figures 45-46 and Section 6.1. Ensure the new blade is correctly installed and tightened.

5.3 Cleaning and Lubrication

Keep the machine clean, especially the work table and guides. Lubricate moving parts as recommended. Refer to Sections 6.2 and 6.3 for details.

5.4 Electrical Checks

Periodically check electrical components, including fuses and RCDs (FI-Schutzschalter, e.g., 30 mA). Section 6.3 provides guidance.

5.5 Dust Extraction System

Ensure the dust extraction system is functioning correctly. Section 6.4 covers its operation and maintenance.

6. Troubleshooting

Address common issues with the following guidance:

• Blade Wobble/Vibration: Check blade mounting, blade straightness, and motor balance (Figures 72-74, 9.1).
• Poor Cut Quality: Ensure the blade is sharp, correct blade type is used, and fences are properly set (Figures 70-76, 9.1).
• Motor Overheating: Check ventilation, load, and ensure the motor is not obstructed.
• Dust Extraction Issues: Verify connection, airflow, and cleanliness of the extraction system (Figure 81, 9.4).
• Blade Guard Malfunction: Inspect for damage or obstructions (Figures 63-66, 9.3).

Refer to Sections 9.1, 9.2, 9.3, and 9.4 for detailed troubleshooting steps.

7. Accessories and Parts

Various accessories and replacement parts are available for the Metabo saws. Section 11 lists optional saw blades and accessories:

• A: RS 420
• B: 100 mm accessories
• C: Specific saw blade types
• D-H: Various HM (TCT) saw blades with different dimensions and tooth counts (e.g., HM 400 x 3.5 x 30 mm).

Figures 59-62 and 70-76 illustrate saw blades and their specifications.

8. Technical Specifications

The following table details the technical specifications for the Metabo BKS 400 Plus and BKS 450 Plus models.

Operating Temperature: -10°C to +40°C.

Noise and Vibration: Measured according to DIN EN ISO 19085-10. Values are approximate and may vary.

9. Environmental Protection and Disposal

Dispose of the machine and accessories responsibly according to local regulations. Do not dispose of electrical appliances with household waste.

10. Contact and Support

For further information, accessories, or support, please visit the official Metabo website:

www.metabo.com

Contact information for EUROMASTER Import Export LTD is also provided in the original document for regional support.