1. 서론
Thank you for choosing the Hitachi DH 45 MR SDS-Max Rotary Hammer. This manual provides essential information for the safe and efficient operation, maintenance, and troubleshooting of your tool. Please read this manual thoroughly before use and keep it for future reference. Proper use and care will ensure long-lasting performance and safety.
2. 안전 지침
화재, 감전, 부상의 위험을 줄이기 위해 항상 기본적인 안전 수칙을 준수하십시오. 본 설명서를 항상 가까이에 두어 언제든 참고할 수 있도록 하십시오.
- 작업 영역 안전: 작업 공간을 깨끗하고 밝게 유지하십시오. 어수선하거나 어두운 곳은 사고의 위험이 있습니다. 가연성 액체, 가스 또는 먼지가 있는 곳 등 폭발 위험이 있는 환경에서는 전동 공구를 작동하지 마십시오.
- 전기 안전: 전동 공구 플러그는 콘센트와 일치해야 합니다. 플러그를 어떤 식으로든 개조하지 마십시오. 코드를 함부로 사용하지 마십시오. 코드를 사용하여 전동 공구를 운반하거나, 당기거나, 플러그를 뽑지 마십시오. 코드를 열, 기름, 날카로운 모서리 또는 움직이는 부품에 가까이 두지 마십시오.
- 개인 안전: 항상 보안경을 착용하십시오. 장시간 공구를 사용할 때는 청력 보호 장비를 착용하십시오. 적절한 복장을 착용하고 헐렁한 옷이나 장신구는 피하십시오. 긴 머리는 고정하십시오.
- 도구 사용 및 관리: 전동 공구에 무리한 힘을 가하지 마십시오. 사용 용도에 맞는 전동 공구를 사용하십시오. 조정, 액세서리 교체 또는 전동 공구 보관 시에는 반드시 전원 플러그를 분리하십시오.
- 진동: This tool produces vibration during operation. Prolonged exposure to vibration may cause hand-arm vibration syndrome. Use anti-vibration gloves and take regular breaks.
3. 제품 오버view
The Hitachi DH 45 MR is a robust SDS-Max rotary hammer designed for heavy-duty drilling and chiseling tasks in concrete and masonry. It features a powerful motor and a pneumatic mechanism for high impact energy.
그림 1: Hitachi DH 45 MR SDS-Max Rotary Hammer in operation. This image shows the tool being used to create a large diameter hole in a wall, highlighting its application for heavy-duty tasks. The operator is wearing protective gloves, demonstrating safe handling practices.
주요 특징:
- SDS-Max Tool Holder: 빠르고 안전한 비트 변경을 위해.
- 15.5 J Pneumatic Mechanism: Delivers high impact energy for efficient drilling and chiseling.
- Safety Slip Clutch: Protects the user and the tool in case of bit jamming.
- Constant Electronics: Maintains uniform speed under load for consistent performance.
- 부드러운 그립감: 작동 중 사용자의 편의성과 제어력을 향상시킵니다.
- 포함된 액세서리: Speed limiter, side handle, grease, and a carrying case for convenience.
4. 설정
Before operating the rotary hammer, ensure it is properly set up and all accessories are securely attached.
4.1 측면 핸들 부착
- 측면 핸들 cl을 풉니다.amp 시계 반대 방향으로 돌려서요.
- Slide the side handle onto the tool's barrel until it reaches the desired position.
- cl을 회전시키다amp clockwise to securely tighten the handle. Ensure it is firm and does not rotate freely.
4.2 Installing SDS-Max Bits
- Clean the shank of the SDS-Max bit and apply a small amount of the supplied grease to it.
- Insert the bit into the tool holder, pushing and rotating it until it clicks into place.
- Pull the bit to ensure it is securely locked. There will be a slight axial play, which is normal for SDS-Max systems.
- To remove the bit, pull back the locking sleeve on the tool holder and pull the bit out.
4.3 전원 연결
Ensure the power switch is in the OFF position before plugging the tool into a suitable 240V AC power outlet. Verify that the power supply matches the specifications on the tool's nameplate.
5. 사용 설명서
The Hitachi DH 45 MR offers multiple operating modes for various applications.
5.1 모드 선택
The tool features a mode selector switch to choose between:
- 로터리 해머 모드: 콘크리트, 벽돌, 석재에 충격을 가하여 드릴링하는 데 사용합니다.
- 망치 전용 모드(끌질): For chiseling, demolition, and breaking work.
Rotate the mode selector to the desired symbol before starting the tool. Never change modes while the tool is running.
5.2 속도 제어
The tool features variable speed control, allowing adjustment of the rotational speed and impact rate. Use lower speeds for starting holes or when working with delicate materials, and higher speeds for maximum efficiency in tough materials.
5.3 Drilling and Chiseling
- Ensure the correct bit is installed and the mode selector is set.
- Hold the tool firmly with both hands, using the main handle and the side handle for maximum control.
- Position the bit at the desired drilling or chiseling point.
- Press the trigger switch to start the tool. Apply steady, firm pressure. Do not force the tool; let the hammer mechanism do the work.
- For drilling, maintain a straight angle to the workpiece. For chiseling, guide the chisel along the desired line.
- 트리거 스위치를 놓으면 공구가 멈춥니다.
6. 유지관리
Regular maintenance ensures the longevity and optimal performance of your Hitachi DH 45 MR rotary hammer. Always disconnect the tool from the power supply before performing any maintenance.
- 청소: 사용 후에는 부드러운 천으로 도구의 외부를 닦으십시오.amp 천으로 닦으세요. 강한 화학 물질이나 연마성 세제는 사용하지 마세요. 환기구에 먼지나 이물질이 없도록 하세요.
- Tool Holder Maintenance: Regularly clean the SDS-Max tool holder and apply a small amount of the supplied grease to the bit shank and inside the tool holder to ensure smooth operation and prevent wear.
- 카본 브러쉬: The carbon brushes are wear parts. If the motor performance decreases or sparks become excessive, have the carbon brushes inspected and replaced by an authorized service center.
- 전원 코드: Regularly inspect the power cord for damage. If damaged, have it replaced by an authorized service technician to avoid electrical hazards.
- 저장: 공구를 휴대용 케이스에 넣어 건조하고 안전한 곳에 보관하고 어린이의 손이 닿지 않도록 하십시오.
7. 문제 해결
If you encounter issues with your rotary hammer, refer to the following common problems and solutions. For more complex issues, contact an authorized service center.
| 문제 | 가능한 원인 | 해결책 |
|---|---|---|
| 도구가 시작되지 않음 | 전원 공급 없음; 전원 코드 손상; 스위치 결함 | Check power connection; Inspect cord for damage; Contact service center for switch replacement |
| 낮은 충격력 | Worn carbon brushes; Insufficient lubrication; Incorrect mode selection | Have brushes checked/replaced; Apply grease to bit shank; Ensure correct mode is selected |
| Bit not locking in holder | Dirty bit shank; Damaged tool holder; Incorrect bit type | Clean bit shank and apply grease; Inspect tool holder for damage; Ensure SDS-Max bit is used |
| 과도한 진동 | Worn internal components; Bent bit | Contact service center for inspection; Replace bent bit |
8. 사양
Technical data for the Hitachi DH 45 MR SDS-Max Rotary Hammer.
| 사양 | 값 |
|---|---|
| 상표 | 히타치 |
| 모델 번호 | DH 45 MR |
| 전원 | 코드식 전기 |
| 권tage | 240 볼트 |
| 최대 전력 입력 | 1200 와트 |
| 임팩트 에너지 | 0-15.5 줄 |
| 무부하 속도 | 120-240 분당 |
| Full-Load Impact Rate | 1200-2500 박자 |
| Max Drilling Diameter in Concrete | 45mm (XNUMXmm) |
| Max Drilling Diameter in Concrete (Core Bits) | 125mm (XNUMXmm) |
| 품목 무게 | 8.0kg |
| 치수(길이 x 너비 x 높이) | 500mm x 108mm x 270mm |
| 툴 홀더 | SDS-맥스 |
| 재료 | Duralumin |
| 색상 | 은 |
| ASIN | B001CSVBE8 |
| GTIN | 04966376134649 |
9. 보증 및 지원
Hitachi is committed to providing high-quality tools and customer support.
9.1 보증 정보
This product comes with a standard warranty. You may be eligible for a free 3-year warranty extension upon registration of your product on the official Hitachi website. Please refer to the Hitachi website for specific terms and conditions regarding warranty registration and coverage.
9.2 예비 부품 가용성
Spare parts for this model are available in the EU for a period of 3 years from the date of purchase. For genuine spare parts and authorized service, please contact your local Hitachi dealer or service center.
9.3 고객 지원
For technical assistance, service inquiries, or to locate an authorized service center, please visit the official Hitachi website or contact their customer support line. Always provide the model number (DH 45 MR) and ASIN (B001CSVBE8) when seeking support.
