1. Arahan Keselamatan
Always observe basic safety precautions when using electrical tools to reduce the risk of fire, electric shock, and personal injury. Read all instructions before operating this tool.
- Keselamatan Kawasan Kerja: Pastikan kawasan kerja bersih dan terang. Kawasan bersepah atau gelap mengundang kemalangan. Jangan kendalikan alatan kuasa dalam atmosfera yang mudah meletup, seperti di hadapan cecair mudah terbakar, gas atau habuk.
- Keselamatan Elektrik: Palam alat kuasa mesti sepadan dengan alur keluar. Jangan sekali-kali mengubah suai palam dalam apa jua cara. Jangan menyalahgunakan kord. Jangan sekali-kali menggunakan kord untuk membawa, menarik atau mencabut palam alat kuasa. Jauhkan kord daripada haba, minyak, tepi tajam atau bahagian yang bergerak.
- Keselamatan Diri: Always wear eye protection. Use hearing protection when operating for extended periods. Wear a dust mask if operations create dust. Dress properly. Do not wear loose clothing or jewelry. Keep hair and clothing away from moving parts.
- Penggunaan dan Penjagaan Alat: Jangan paksa alat kuasa. Gunakan alat kuasa yang betul untuk aplikasi anda. Putuskan sambungan palam daripada sumber kuasa sebelum membuat sebarang pelarasan, menukar aksesori atau menyimpan alatan kuasa.
- Penyelenggaraan: Maintain power tools. Check for misalignment or binding of moving parts, breakage of parts, and any other condition that may affect the power tool's operation. If damaged, have the power tool repaired before use.
2. Produk Lebihview
The CAARLA HGS28E Electric Die Grinder is a robust tool designed for precision grinding, carving, and polishing tasks on various metal surfaces. It features a powerful 500W motor and a durable construction for reliable performance.

Figure 2.1: CAARLA HGS28E Electric Die Grinder and included accessories (wrenches, carbon brushes, nuts).
2.1 Komponen

Figure 2.2: Key components of the HGS28E Die Grinder, including the Spindle Collar, Carbon Brush access, 500W Motor, On/Off Switch, Collet Chuck, Grinder Spindle, and Clamping Thread.
- Spindle Collar: Secures the collet chuck assembly.
- Akses Berus Karbon: Allows for easy inspection and replacement of carbon brushes.
- Motor 500W: Provides powerful rotation for grinding and polishing.
- Suis Hidup/Mati: Mengawal kuasa kepada alat.
- Collet Chuck: Holds various grinding bits and accessories.
- Grinder Spindle: The rotating shaft that drives the collet chuck.
- Clamping Thread: Used to tighten and secure the collet chuck.
3. Persediaan
3.1 Membongkar
- Carefully remove the die grinder and all accessories from the packaging.
- Inspect the tool for any signs of damage that may have occurred during shipping. Do not operate if damaged.
- Verify that all listed components are present: die grinder unit, two wrenches, and two spare carbon brushes.
3.2 Memasang Aksesori
- Ensure the die grinder is unplugged from the power source.
- Loosen the collet chuck nut using the provided wrenches.
- Insert the desired grinding bit or accessory into the collet chuck. Ensure the shank is fully seated.
- Tighten the collet chuck nut firmly with the wrenches to secure the accessory. Do not overtighten.
3.3 Sambungan Kuasa
- Confirm that the power supply matches the tool's rated voltage (220V, 50Hz).
- Palamkan kord kuasa ke salur keluar elektrik yang sesuai.
4. Operasi
Before starting, ensure all safety precautions are followed and the work piece is securely clamped.
4.1 Menghidupkan/Mematikan
- To turn on the die grinder, press the On/Off switch located on the tool body.
- To turn off the die grinder, release or press the On/Off switch again, depending on its type (toggle or momentary).
- Allow the tool to reach full speed before making contact with the workpiece.
4.2 Grinding and Polishing Techniques
- Apply light, consistent pressure. Excessive force can damage the tool or workpiece and reduce efficiency.
- Move the tool smoothly across the surface to ensure even material removal and a consistent finish.
- For detailed work, use smaller bits and maintain a steady hand.
- Regularly check the condition of the grinding bit and replace it if it becomes dull or damaged.
5. Penyelenggaraan
Regular maintenance ensures the longevity and optimal performance of your die grinder. Always unplug the tool before performing any maintenance.
5.1 Pembersihan
- After each use, clean the tool with a dry cloth to remove dust and debris.
- Use compressed air to clear ventilation openings and prevent dust buildup inside the motor housing.
- Jangan gunakan bahan kimia atau pembersih kasar.
5.2 Penggantian Berus Karbon
Carbon brushes are wear items and will need periodic replacement. The tool may show reduced power or intermittent operation when brushes are worn.

Figure 5.1: Location for carbon brush installation on the HGS28E Die Grinder.
- Unplug the die grinder from the power source.
- Locate the carbon brush covers on the sides of the motor housing (refer to Figure 5.1).
- Use a screwdriver to remove the carbon brush covers.
- Carefully pull out the old carbon brushes.
- Masukkan berus karbon baharu, pastikan ia diorientasikan dengan betul.
- Replace the carbon brush covers and tighten them securely.
6. Penyelesaian masalah
| Masalah | Kemungkinan Punca | Penyelesaian |
|---|---|---|
| Alat tidak bermula. | Tiada bekalan kuasa. Faulty On/Off switch. Berus karbon yang dipakai. | Check power outlet and cord. Hubungi kakitangan perkhidmatan yang berkelayakan. Replace carbon brushes (see Section 5.2). |
| Kuasa berkurangan atau operasi sekejap-sekejap. | Berus karbon yang dipakai. Terlalu panas. Sambungan longgar. | Gantikan berus karbon. Benarkan alat menjadi sejuk. Hubungi kakitangan perkhidmatan yang berkelayakan. |
| Getaran yang berlebihan. | Damaged or unbalanced grinding bit. Loose collet chuck. | Replace grinding bit. Tighten collet chuck nut. |
7. Spesifikasi
| Ciri | Perincian |
|---|---|
| Nombor Model | HGS28E |
| Dinilai Voltage | 220V |
| Kekerapan | 50Hz |
| Kuasa Input Dinilai | 500W |
| Kelajuan Tanpa Beban | 27000 RPM |
| Collet Chuck Diameter | 8MM |
| Kelajuan Berubah | Tidak |
| Jenis Motor | Disikat |
| Berat badan | 1.9 KGS (4.19 pounds) |
| Penggunaan | Pembuatan Komersial |
| Pengeluar | CAARLA |

Figure 7.1: Illustration of the internal motor construction, highlighting the high-quality copper wire winding for stable and durable performance.
8. Waranti & Sokongan
For warranty information, technical support, or service inquiries, please refer to the documentation provided with your purchase or contact CAARLA customer service. Keep your proof of purchase for warranty claims.
For further assistance, please visit the official CAARLA webtapak atau hubungi pengedar tempatan anda.