HD 5/11 C and HD 5/11 C Plus high-pressure cleaners are products of the German Kärcher brand. They are suitable for cleaning various building exteriors, floors, vehicles, etc. The products have high pressure water flow, which can effectively clean dust and dirt. They can adjust the water flow size to meet different cleaning needs.
This manual explains the safe handling and preparation of the Karcher HD 5711 C and HD 5711 C Plus high‑pressure cleaning machines. It covers safety precautions, inspection of accessories, and proper connection of water and power supplies before first use.
The guide details operating modes, selection of cleaning agents, low‑pressure and high‑pressure spray options, routine maintenance, troubleshooting steps, and warranty information. Technical data such as power rating, pressure limits, flow rate, and noise levels are also listed. This manual is written in Japanese.