Introduction
The FERM CSM1043 compact precision circular saw is a versatile tool designed for various sawing tasks. It functions as both a miter saw and a plunge saw, making it suitable for a wide range of applications. This manual provides essential information for the safe and effective operation, maintenance, and troubleshooting of your FERM CSM1043.
Typical applications include working with plasterboard, making flat cuts along walls, and cutting stone or sanitary tiles when equipped with a diamond saw blade.
Product Features
- Powerful Motor: Equipped with a 500W motor for efficient cutting.
- Variable Speed: Unique variable speed control for its category.
- Compact Design: Suitable for precise work in confined spaces.
- Adjustable Cutting Depth: Easily adjust cutting depth up to 22 mm.
- Dust Extraction Adapter: Allows for dust-free operation when connected to a vacuum cleaner, ensuring a clear cutting line and clean workspace.
- Parallel Guide: Includes a parallel guide for making longer, more precise straight cuts.
- Ergonomic Design: Features a comfortable soft-grip handle and an additional side handle for enhanced control and precise work.
- Long Power Cable: A 3-meter rubber power cable provides optimal user comfort and reach.
- Comprehensive Kit: Comes complete with 3 different saw blades and a robust storage case for safe transport and storage.

Image: Side profile of the FERM CSM1043, showcasing its compact design and ergonomic features.
Safety Instructions
Always read and understand all safety warnings, instructions, illustrations, and specifications provided with this power tool. Failure to follow all instructions listed below may result in electric shock, fire, and/or serious injury.
- Wear appropriate personal protective equipment (PPE) such as safety glasses, hearing protection, and gloves.
- Ensure the workpiece is securely clamped before cutting.
- Keep hands away from the cutting area and the blade.
- Do not operate the saw in damp or wet conditions.
- Always disconnect the power plug from the power source before making any adjustments, changing accessories, or storing the tool.
- Use the correct blade for the material being cut.
- Maintain a firm grip on the tool with both hands during operation.
Setup and Assembly
Package Contents:
Before starting, ensure all items are present in the package:
- 1 x FERM CSM1043 Precision Circular Saw
- 1 x TCT Saw Blade (24 teeth)
- 1 x HSS Saw Blade (44 teeth)
- 1 x Diamond Saw Blade (dry cutting)
- 1 x Dust Extraction Adapter
- 1 x Allen Key
- 1 x Parallel Guide
- 1 x Side Handle
Attaching the Side Handle:
Screw the provided side handle into the designated threaded hole on the saw's body. Ensure it is tightened securely for stable operation.

Image: The FERM CSM1043 Precision Circular Saw with its side handle attached, ready for use.

Image: The FERM CSM1043 saw displayed with its robust storage case and the three included saw blades (TCT, HSS, Diamond).
Blade Installation:
Refer to the markings on the saw for the correct blade rotation direction. Use the Allen key to loosen the blade retaining screw, carefully place the desired blade onto the arbor, and then securely tighten the screw. Ensure the blade guard operates freely after installation.

Image: Bottom view of the FERM CSM1043, illustrating the saw blade and the base plate, important for blade installation and depth adjustment.
Connecting Dust Extraction:
Attach the dust extraction adapter to the saw's dust port. Connect a suitable vacuum cleaner hose to the adapter for effective dust collection during operation. This helps maintain a clean workspace and improves visibility of the cutting line.

Image: A user demonstrating the FERM CSM1043 in use with a dust extraction hose connected, ensuring a cleaner work environment.
Operating Instructions
Adjusting Cutting Depth:
The cutting depth can be continuously adjusted up to a maximum of 22 mm. Use the depth adjustment mechanism on the saw to set the desired cutting depth according to the material thickness. This allows for precise cuts tailored to your project.

Image: A user performing a plunge cut with the FERM CSM1043 on a wooden board, highlighting its capability for precise depth control.
Using the Parallel Guide:
Insert the parallel guide into the designated slot on the saw's base. Adjust its position to achieve the desired cutting width from the edge of the workpiece. Secure the guide firmly before making your cut. This accessory is crucial for achieving long, straight, and accurate cuts.

Image: A user utilizing the parallel guide with the FERM CSM1043 to make a straight cut on a piece of wood, demonstrating enhanced precision.
Cutting Different Materials:
The FERM CSM1043 is suitable for sawing various materials, including aluminum, laminate, plastic, and tiles. Always select the appropriate saw blade for the material you are cutting (e.g., TCT for wood/laminate, HSS for softer metals/plastics, Diamond for tiles).

Image: A user cutting laminate flooring with the FERM CSM1043, showcasing its capability for common household and DIY tasks.
Starting and Stopping:
To start the saw, press the trigger switch. The blade guard will retract as the saw is pressed onto the workpiece. To stop, release the trigger switch. Always allow the blade to reach full speed before beginning a cut and wait for it to stop completely before setting the tool down.
Maintenance
Cleaning:
Regularly clean the saw, especially the blade area and dust port, to prevent buildup of sawdust and debris. Use a dry cloth or soft brush. Do not use solvents or abrasive cleaners.
Blade Replacement:
When a blade becomes dull or damaged, replace it with a new one. Always use blades with an 85mm diameter. Follow the blade installation steps outlined in the "Setup and Assembly" section. Ensure the saw is unplugged before changing blades.
Storage:
Store the FERM CSM1043 and its accessories in the provided robust storage case in a dry, secure location, out of reach of children. Ensure the saw is clean and free of debris before storage.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Saw does not start. | No power supply; faulty switch; motor overload. | Check power connection and circuit breaker. Ensure trigger is fully depressed. Allow motor to cool if overheated. |
| Blade not cutting efficiently or binding. | Dull or incorrect blade; improper cutting depth; material too thick. | Replace with a sharp, appropriate blade. Adjust cutting depth. Ensure material is within saw's capacity. |
| Excessive dust during operation. | Dust extraction not connected or clogged; vacuum cleaner not powerful enough. | Ensure dust extraction adapter is securely attached and hose is clear. Use a suitable vacuum cleaner. |
| Inaccurate cuts. | Parallel guide not secured; workpiece not clamped; improper technique. | Ensure parallel guide is tight. Secure workpiece firmly. Maintain steady pressure and follow cutting line. |
Technical Specifications
| Specification | Value |
|---|---|
| Power Consumption | 500W |
| Mains Voltage | 220 – 240 V |
| Frequency | 50Hz |
| No-load Speed | 3500-6500/min |
| Cutting Capacity | 0-22mm |
| Saw Blade Diameter | 85mm |
| Weight | 1.7kg |
| Dimensions (L x W x H) | 35 x 13 x 13 cm |
Warranty and Support
Warranty Information:
The FERM CSM1043 Precision Circular Saw comes with a 3-year manufacturer's warranty. Please retain your proof of purchase for warranty claims. The warranty covers defects in materials and workmanship under normal use.
Customer Support:
For technical assistance, spare parts, or warranty inquiries, please contact your local FERM dealer or visit the official FERM website. You can also refer to the FERM Brand Store on Amazon for more information and product accessories.





