Use the indicator to select between hammer drilling (percussion + rotation) and chiseling only (percussion). Always move the selector upward to unlock it before switching between modes.

The tool features a dust-tight tool holder, but using an external dust removal system (like the TE DRS-Y) is recommended to protect the internal motor components from abrasive concrete dust. Maintenance & Troubleshooting

The is a legendary professional-grade rotary hammer, renowned for its "square-body" durability and versatile performance in heavy-duty construction . Whether you are a technician performing a full rebuild or a contractor looking for operating instructions, having the right manual and technical guidance is essential for this SDS Max tool. Core Specifications of the Hilti TE 55