The BR/BD 75/140 R /90/140 R battery pack is made of high-quality lead plates, and the plates are fully welded to ensure good contact between the plates. This battery pack has high capacity and high durability, and is suitable for high-load applications.
This manual explains the safe use of the Karcher BR/BD 75/140 R and 90/140 R wet‑floor cleaning machines. It includes safety warnings, required protective equipment, and the meaning of the safety symbols used throughout the document. Before operating, read the safety instructions and the accompanying safety leaflet for brush‑wash and spray‑vacuum equipment.
The guide also covers assembly, battery charging, water‑flow and brush‑pressure adjustments, recommended cleaning agents, and a detailed maintenance schedule. Information on accessories, battery handling, and the procedure for draining and cleaning the water tanks is provided to ensure reliable long‑term performance. This manual is written in Chinese.
| Cleaning width (BR/BD 75/140) | 750 mm |
|---|---|
| Cleaning width (BR/BD 90/140) | 900 mm |
| Water tank capacity | 140 L (net water and waste) |
| Battery type | Lead‑acid battery (low‑maintenance) |
| Battery charging time | ≈10 hours |
| Maximum water temperature | 60 °C |
| Battery charger input voltage | 230 V |
Safety features are designed to protect the user and must not be removed or ignored.
The battery charging process takes about 10 hours.
The BR/BD 75/140 model cleans a width of 750 mm.
Both the clean‑water and waste‑water tanks hold 140 L.