1. 서론
This manual provides essential information for the safe operation, maintenance, and repair of your Craftsman 900.277230 4-1/2-inch Angle Grinder. Please read this manual thoroughly before using the tool to ensure proper handling and to prevent injury or damage. Keep this manual accessible for future reference.
2. 일반 안전 정보
화재, 감전 및 부상 위험을 줄이기 위해 항상 기본적인 안전 수칙을 준수하십시오. 이러한 수칙에는 다음 사항이 포함되지만 이에 국한되지는 않습니다.
- 눈 보호 장비 착용: 항상 보안경 또는 측면 실드가 있는 보안경을 착용하십시오.
- 청력 보호 장비를 착용하세요: 작업 중에는 귀마개나 이어머프를 착용하세요.
- 호흡기 보호구를 착용하십시오: If grinding produces dust, wear a dust mask or respirator.
- 안전한 작업물: 항상 clamp or secure the workpiece to prevent movement during operation.
- 작업 공간을 깨끗하게 유지하세요: 어수선한 지역은 사고를 유발합니다.
- 위험한 환경을 피하십시오: 전동공구를 사용하지 마십시오amp 젖은 장소 또는 비에 노출시키십시오.
- 올바른 도구를 사용하십시오: 작은 도구나 부착물에 무거운 도구의 작업을 강제로 시키지 마십시오.
- 전원 분리: Always disconnect the tool from the power source before making adjustments, changing accessories, or performing maintenance.
- 검사 도구: Before each use, check for damaged parts, misalignment, or any condition that may affect its operation.
3. 제품 오버view
The Craftsman 900.277230 is a 4-1/2-inch angle grinder designed for various tasks such as grinding, cutting, and polishing metal or masonry. It features a robust motor and a compact design for ease of use.
그림 1: Craftsman 900.277230 4-1/2-inch Angle Grinder. This image shows the main body of the angle grinder, including the motor housing, handle, and the spindle where grinding wheels are attached. The protective guard is also visible.
구성 요소:
- 스핀들 잠금 버튼: 액세서리를 쉽게 교체할 수 있도록 스핀들을 잠그는 데 사용됩니다.
- 보조 핸들: Provides additional grip and control. Can be mounted on either side.
- 휠 가드: Protects the user from sparks and debris. Must always be in place.
- 전원 스위치: 모터의 켜짐/꺼짐 제어 기능.
- Grinding Wheel/Disc: (Sold separately) Various types available for different applications.
4. 설정
4.1 보조 핸들 부착
Screw the auxiliary handle into one of the threaded holes on either side of the gear housing. Ensure it is tightened securely before operation.
4.2 휠 가드 설치
Position the wheel guard over the gear housing so that the tabs align with the slots. Rotate the guard to the desired position for optimal protection and tighten the clamping screw firmly. Never operate the grinder without the wheel guard properly installed.
4.3 Mounting Grinding/Cutting Wheels
- 그라인더를 전원에서 분리하십시오.
- 스핀들 잠금 버튼을 길게 누릅니다.
- Using the spanner wrench provided, loosen and remove the outer flange nut.
- Place the desired grinding or cutting wheel onto the spindle, ensuring it sits flush against the inner flange.
- Replace the outer flange nut and tighten it securely with the spanner wrench while holding the spindle lock button. Do not overtighten.
- Ensure the wheel is properly seated and spins freely without wobbling before connecting to power.
5. 사용 설명서
5.1 전원 켜기/끄기
To turn the grinder ON, slide the power switch to the "I" position. To turn it OFF, slide the switch to the "O" position. Some models may have a paddle switch that requires continuous pressure to operate.
5.2 연삭 기술
- 분쇄기를 양손으로 단단히 잡으세요.
- Allow the wheel to reach full speed before contacting the workpiece.
- 가볍고 균일한 압력을 가하십시오. 도구를 무리하게 사용하지 마십시오.
- Maintain a shallow angle (typically 15-30 degrees) between the grinding wheel and the workpiece for optimal material removal and control.
- Move the grinder smoothly across the surface to prevent gouging and ensure an even finish.
- Avoid grinding directly into corners or edges, as this can cause kickback.
5.3 절단 기술
- Use only cutting discs designed for angle grinders.
- Hold the grinder firmly and ensure the workpiece is securely clamp편집.
- Make straight cuts. Do not attempt to bend or twist the cutting disc during operation.
- Allow the disc to cut through the material without excessive force.
- Be aware of sparks and debris, directing them away from yourself and others.
6. 유지관리
Regular maintenance ensures the longevity and safe operation of your angle grinder. Always disconnect the tool from the power source before performing any maintenance.
6.1 청소
- Clean the tool's ventilation openings regularly to prevent overheating. Use compressed air if available.
- 광고로 외부를 닦다amp 옷감. 강한 화학물질이나 용제를 사용하지 마십시오.
- 휠 가드와 스핀들 부분에서 먼지나 이물질을 제거하세요.
6.2 카본 브러시 검사/교체
The carbon brushes wear down over time. If the motor performance decreases or sparks become excessive, the brushes may need inspection or replacement. Refer to the repair parts section for brush part numbers. This procedure should ideally be performed by a qualified service technician.
6.3 코드 검사
Regularly inspect the power cord for any signs of damage, cuts, or fraying. A damaged cord must be replaced immediately by a qualified technician to prevent electric shock.
7. 문제 해결
| 문제 | 가능한 원인 | 해결책 |
|---|---|---|
| 그라인더가 시작되지 않습니다. | 전원 공급이 없습니다. 전원 스위치에 결함이 있습니다. 마모된 카본 브러시. | 전원 콘센트와 코드를 확인하세요. Contact service for switch replacement. 카본 브러시를 점검하고 필요하면 교체하십시오. |
| 모터에서 과도한 스파크가 발생합니다. | 마모된 카본 브러시. Dirty commutator. | 카본 브러시를 점검하고 필요하면 교체하십시오. Have commutator cleaned by a technician. |
| 도구가 과열되었습니다. | 환기구가 막혔습니다. 도구에 과부하가 걸립니다. | 통풍구를 청소하십시오. Reduce pressure and allow the tool to cool. |
| 과도한 진동. | 바퀴가 손상되었거나 균형이 맞지 않습니다. Loose flange nut. | Replace the grinding wheel. Tighten the flange nut securely. |
8. 사양
| 특징 | 세부 사항 |
|---|---|
| 모델 번호 | 900.277230 |
| 디스크 직경 | 4-1/2인치(115mm) |
| 전원 | 코드식 전기 |
| 상표 | 장인 |
| Pages in Manual | 9 |
참고: 특정 전기 정격(볼륨)tage, amperage, RPM) are typically found on the product's nameplate. Always refer to the tool itself for precise specifications.
9. 수리 부품
For a complete list of repair parts and their corresponding part numbers for your Craftsman 900.277230 angle grinder, please refer to the exploded diagram and parts list typically found at the end of the original printed manual or on the official Craftsman service website. When ordering parts, always provide the full model number (900.277230) to ensure compatibility.
Commonly replaced parts may include carbon brushes, spindle lock components, and power cords.
10. 보증 및 지원
Craftsman products are backed by a limited warranty. For detailed warranty information, including terms, conditions, and duration, please refer to the warranty card included with your product or visit the official Craftsman website. Do not attempt to repair the tool yourself if it is under warranty, as this may void the warranty.
For technical support, service, or to locate an authorized service center, please contact Craftsman customer service through their official web사이트 또는 제품 포장에 제공된 연락처 정보를 참조하세요.
