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Bosch GCD 18V-355 Metal Cutting Saw Instruction Manual

Quick guide for the Bosch GCD 18V-355 metal cutting saw, covering assembly, operation, safety instructions, and maintenance.

Table of contents

Quick guide from the manual

This manual provides essential information for the safe and efficient operation of the Bosch GCD 18V-355 cordless metal cut-off saw. Always read the full safety instructions before use.

Device Description

The GCD 18V-355 is a stationary power tool designed for straight and mitre cuts (up to 45°) in metal materials without the use of water. It features a soft start, laser cutting line indication, and a chip drawer for debris collection.

Assembly

  • Mounting: Secure the tool to a flat, stable work surface using the mounting holes (12). Alternatively, use a Bosch GTA saw stand.
  • Saw Blade Change: Ensure the spindle is stationary before activating the spindle lock (4). Use the provided hex key (11) to loosen the hex socket screw (27). Ensure the cutting direction of the teeth matches the arrow on the protective cover.

Operation

  • Transport Safety: Use the transport safety lock (16) to secure the tool arm in the transport position.
  • Work Preparation: Adjust the mitre angle using the scale (31) and clamping handle (15). The angle guide (14) can be moved for optimal workpiece positioning.
  • Clamping: Always clamp workpieces securely. Use the tubular jaw (20) for round workpieces to increase the clamping surface.
  • Starting: Push the lock-off button (2) and press the on/off switch (19). The switch cannot be locked for safety reasons.

Maintenance and Cleaning

  • Battery: Remove the battery before any maintenance or tool changes.
  • Cleaning: Regularly clean the air vents to prevent metal dust accumulation, which can cause electrical hazards. Keep the area around the retracting blade guard (5) clean.
  • Laser: If the laser line misaligns due to vibration, adjust it using the set screw (33).

Manufacturer information

Bosch

Brand profile

Practical help

Common problems

The saw blade is blocked by dust or debris.

Switch off the tool, remove the battery, pull out the chip drawer (21), and empty it completely.

The laser line is not aligned with the cutting line.

Check the laser alignment and adjust using the set screw (33) with a cross-headed screwdriver.

The tool arm does not move to the desired depth.

Ensure the transport safety lock (16) is fully pulled out.

Before use

  • Ensure the tool is mounted on a flat, stable surface.
  • Check that the saw blade is undamaged and correctly installed.
  • Verify that the protective guard moves freely.
  • Ensure the workpiece is securely clamped.
  • Check that the work area is free of tools and metal swarf.

Specs in practice

No-load speed: 1300 min⁻¹
The rotational speed of the saw blade when not under load.
Max. saw blade diameter: 355 mm
The maximum size of the saw blade that can be used with this tool.
Hole diameter: 25.4 mm
The diameter of the arbor hole in the saw blade.

Model compatibility

  • Use only Bosch recommended GBA 18V or ProCORE18V batteries.
  • Use only chargers listed in the technical data (GAL 18..., GAX 18..., GAL 36...).
  • Do not use HSS (high-speed steel) saw blades.

Manual page author

David Miller

Documentation analyst

Organizes user manual content into clear summaries, with attention to model details, product context, and everyday usability.