HiKOKI G 12SW2 / G 13SW2 Disc Grinder User Manual

Quick guide from the manual

This document provides essential instructions for the safe operation and maintenance of the HiKOKI G 12SW2 and G 13SW2 disc grinders. Always read the full safety warnings before use.

Device Description and Setup

The disc grinder is designed for removing casting fins, finishing various steel, bronze, and aluminum materials, grinding welded sections, and cutting synthetic concrete, stone, brick, and marble. Key components include the toolless wheel guard, side handle, spindle, and switch.

Assembly and Operation

1. Wheel Guard: Fit and adjust the wheel guard (Fig. 1).
2. Side Handle: Fix the side handle securely (Fig. 2).
3. Wheel Mounting: Assemble the depressed center wheel (Fig. 3), cutting wheel (Fig. 4), or diamond wheel (Fig. 5) according to the specific figure.
4. Switch Operation: Use the switch to turn the tool on and off (Fig. 6). Note the 0-voltage restart protection feature.
5. Grinding: Maintain a grinding angle of 15°–30° (Fig. 7).

Safety Warnings

• General Safety: Keep the work area clean and well-lit. Do not operate in explosive atmospheres.
• Personal Safety: Always wear eye protection. Use dust masks and hearing protection as appropriate.
• Kickback: Avoid pinching or snagging the wheel. Maintain a firm grip and use the auxiliary handle.
• Maintenance: Regularly clean air vents. Carbon brush inspection and supply cord replacement must be performed by a HiKOKI Authorized Service Center.

Maintenance and Inspection

Regularly inspect the depressed center wheel for cracks and surface defects. Ensure all mounting screws are properly tightened. Always disconnect the power source before performing any maintenance or assembly/disassembly.

Technical Data

Specifications are listed in the table on page 134. The tool features 0-voltage restart protection to prevent accidental startup after power interruptions.