This manual introduces the basic performance, main functions, precautions and safe use methods of HR3811 and HR3811(P) 38mm hammer drills. Please read this manual carefully before use and keep it for easy reference.
This manual provides safety instructions and proper handling guidelines for the Makita HR3811 hammer drill. It explains grounding requirements, protective equipment, and safe work practices to prevent injury and equipment damage.
The document also lists the technical specifications, such as voltage, current, power, impact rate, rotation speed, dimensions and weight, and gives instructions for operation, maintenance, and after‑sales service contacts. This manual is written in Japanese.
| Voltage | 100 V AC single‑phase |
|---|---|
| Frequency | 50‑60 Hz |
| Power Consumption | 1130 W |
| Dimensions (L×W×H) | 435 mm × 108 mm × 243 mm |
| Weight | 7.7 kg |
Contact the nearest Makita registered dealer or any of the listed Makita sales offices.