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Bosch GCM 18V-254 D Professional Cordless Sliding Mitre Saw User Guide

Quick start guide for the Bosch GCM 18V-254 D Professional cordless sliding mitre saw, covering assembly, operation, laser adjustment, and maintenance.

Table of contents

Quick guide from the manual

This document provides essential instructions for the Bosch GCM 18V-254 D Professional cordless sliding mitre saw. It covers safe operation, assembly, and maintenance. Always ensure the tool is mounted on a stable, level surface before use. The saw is intended for straight cuts in wood, chipboard, and fibreboard, and with appropriate blades, aluminium profiles and plastic.

Assembly

Before using the tool, ensure all parts are present: sliding mitre saw, clamping wheel, adjustable fence, screw clamp, hex key/slotted screwdriver, dust bag, and two workpiece supports. Mount the tool on a flat, stable work surface using the mounting holes or screw clamps. Install the workpiece supports into the openings on the tool or the second support as needed. Fit the clamping wheel and adjustable fence before operation.

Operation

To switch on, slide the lock-off button to the middle and press the on/off switch. To switch off, release the switch. The saw features a transport safety lock for easier handling. Always tighten the locking knob and clamping wheel firmly before sawing to prevent the blade from wedging in the workpiece. Ensure the retracting blade guard moves freely and closes automatically.

Laser Adjustment

The tool features two laser beams to indicate the cutting line. To test, connect the tool to power. To adjust, bring the tool to the work position and turn the saw table to the 0° detent. Use the switch to turn on the laser beams without pressing the lock-off button. If adjustment is needed, remove the laser protection cap and adjust the lateral deviation using the fastening screw on the laser housing.

Maintenance and Cleaning

Always remove the battery before performing maintenance or changing tools. Keep the tool and ventilation slots clean. Regularly clean the guide roller and remove dust and chips after each use. The retracting blade guard must always move freely and retract automatically.

Manufacturer information

Bosch

Brand profile

Practical help

Common problems

Laser beams misaligned

Check and adjust the laser beams after intensive use. Follow the 'Adjusting the laser' procedure in the manual.

Dust/chip extraction blocked

Switch off the tool, remove the battery, wait for the blade to stop, and clear the blockage.

Saw blade wedging in workpiece

Ensure the locking knob and clamping wheel are tightened firmly before starting the cut.

Before use

  • Ensure the tool is mounted on a flat, stable surface.
  • Check that all protective devices are working correctly.
  • Verify the saw blade is sharp and undamaged.
  • Ensure the workpiece is securely clamped.
  • Check that the retracting blade guard moves freely.

Specs in practice

No-load speed
4500 min⁻¹; the speed of the blade when not cutting.
Mitre angle range
-48° to +48° (left/right).
Bevel angle range
47° (left) to 47° (right).
Saw blade diameter
254 mm.

Model compatibility

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

Manual page author

Michael Turner

Technical manual editor

Reviews PDF manuals for structure, safety notes, and practical product details so readers can find the right information quickly.