1. Pengenalan
Thank you for choosing the FERM 20V Cordless Brushless Impact Drill, Model CDM1138. This powerful tool is designed for drilling, impact drilling, and screwdriving tasks. Its brushless motor technology provides extended tool life, increased power, a compact design, higher efficiency, and longer battery runtime. This manual provides essential information for the safe and effective operation, maintenance, and troubleshooting of your new tool. Please read it thoroughly before use and keep it for future reference.
Amaran Keselamatan Am
Always observe basic safety precautions to reduce the risk of fire, electric shock, and personal injury. Keep your work area clean and well-lit. Do not operate power tools in explosive atmospheres, such as in the presence of flammable liquids, gases, or dust. Always wear appropriate personal protective equipment, including eye protection, hearing protection, and gloves. Ensure the tool is switched off before making any adjustments, changing accessories, or storing it. Keep children and bystanders away while operating a power tool.
2. Produk Lebihview dan Komponen
Familiarize yourself with the main components of your FERM Cordless Brushless Impact Drill.

Rajah 2.1: Keseluruhannya view of the FERM 20V Cordless Brushless Impact Drill, showing the main body, chuck, side handle, and battery pack.

Rajah 2.2: jarak dekat view of the drill's front section, highlighting the metal chuck, adjustable side handle, and the mode selector ring.

Rajah 2.3: Terperinci view of the drill chuck and the torque adjustment ring, showing numerical settings for precise control.

Rajah 2.4: Close-up of the main handle, illustrating the variable speed trigger and the forward/reverse rotation selector switch.
Komponen Utama:
- Metal Chuck: For securely holding drill bits and screwdriver bits.
- Cincin Pelarasan Tork: Allows selection of various torque settings for screwdriving and drilling.
- Pemilih Mod: Switches between drilling, impact drilling, and screwdriving functions.
- Pencetus Kelajuan Berubah: Controls the rotation speed of the chuck.
- Suis Hadapan/Undur: Menukar arah putaran.
- Pemegang sisi: Provides additional grip and control, especially during impact drilling.
- 20V Li-ion Battery Pack: Powers the drill.
- Pengecas Cepat: Untuk mengecas semula pek bateri.
3. Persediaan
3.1 Mengecas Bateri
- Connect the fast charger to a suitable power outlet.
- Slide the 20V Li-ion battery pack onto the charger until it clicks into place.
- Allow the battery to charge fully. The charger's indicator light will typically change color or turn off when charging is complete. Refer to the charger's specific instructions for details.
- Setelah dicas, putuskan sambungan bateri daripada pengecas.
3.2 Memasang Bateri
- Align the charged battery pack with the base of the drill handle.
- Slide the battery into the handle until it locks securely into position. Ensure it is fully seated to prevent accidental dislodgement during operation.
- Untuk mengeluarkan bateri, tekan butang pelepas pada sisi pek bateri dan luncurkannya keluar.
3.3 Memasang Pemegang Sisi
- Loosen the side handle by rotating its grip counter-clockwise.
- Slide the handle collar over the front of the drill body, behind the chuck.
- Position the handle to your desired angle for optimal control and comfort.
- Tighten the side handle by rotating its grip clockwise until it is firmly secured.
3.4 Inserting Drill Bits or Screwdriver Bits
- Ensure the drill is switched off and the forward/reverse switch is in the center (locked) position.
- Putar kolar chuck melawan arah jam untuk membuka rahang chuck.
- Insert the desired drill bit or screwdriver bit into the chuck, ensuring it is centered and inserted as far as possible.
- Rotate the chuck collar clockwise to tighten the jaws firmly around the bit. Hand-tighten securely.
- Always verify the bit is securely fastened before starting the drill.
4. Arahan Operasi
4.1 Memilih Mod Pengendalian
The drill features three operating modes: drilling, impact drilling, and screwdriving. Rotate the mode selector ring, located behind the chuck, to choose the appropriate setting for your task:
- Drilling Symbol: For general drilling in wood, plastic, and metal.
- Impact Drilling Symbol: Untuk menggerudi ke dalam batu dan konkrit.
- Screwdriving Symbol: Untuk memandu dan menanggalkan skru.
4.2 Adjusting Torque Settings (Screwdriving Mode)
When in screwdriving mode, rotate the torque adjustment ring to select the desired torque level. Lower numbers indicate lower torque, suitable for smaller screws or softer materials. Higher numbers provide more torque for larger screws or harder materials. The drill will stop rotating once the set torque is reached, preventing overtightening or damage to the workpiece or screw head.
4.3 Kawalan Kelajuan Boleh Ubah
The drill's speed is controlled by the variable speed trigger. Pressing the trigger lightly results in a slower speed, while pressing it further increases the speed. This allows for precise control, especially when starting a hole or driving screws.
4.4 Putaran Hadapan/Undur
Suis hadapan/undur, yang terletak di atas picu, mengawal arah putaran:
- Tekan suis ke kiri for forward (clockwise) rotation, used for drilling and driving screws.
- Tekan suis ke betul for reverse (counter-clockwise) rotation, used for removing screws or freeing jammed bits.
- Apabila suis berada di dalam pusat position, the trigger is locked, preventing accidental startup. Always engage the lock when changing bits or storing the tool.
4.5 Petua Operasi
- Always secure your workpiece to prevent movement during drilling or screwdriving.
- Sapukan tekanan yang mantap, sekata. Jangan paksa gerudi.
- For drilling into hard materials, use a center punch to mark the starting point.
- When drilling metal, use cutting oil to prolong bit life and improve performance.
- Allow the motor to cool down during extended use to prevent overheating.
5. Penyelenggaraan
Regular maintenance ensures the longevity and optimal performance of your FERM impact drill.
5.1 Pembersihan
- Sentiasa putuskan sambungan pek bateri sebelum membersihkan.
- Gunakan yang lembut, damp kain untuk mengelap bahagian luar alat. Jangan gunakan bahan kimia yang keras atau pembersih yang kasar.
- Pastikan bukaan pengudaraan bersih daripada habuk dan serpihan untuk mengelakkan terlalu panas. Gunakan udara termampat jika perlu.
- Bersihkan rahang chuck dengan kerap untuk memastikan cengkaman yang betul pada bit.
5.2 Penjagaan Bateri
- Simpan bateri di tempat yang sejuk dan kering, jauh dari cahaya matahari langsung dan suhu yang melampau.
- Jangan simpan bateri yang telah dinyahcas sepenuhnya untuk tempoh yang lama. Caskannya secara berkala jika tidak digunakan.
- Avoid dropping or physically damaging the battery packs.
5.3 Penyimpanan
- Store the drill, battery, and charger in the provided storage case or a secure, dry location.
- Ensure the forward/reverse switch is in the center (locked) position before storing.
- Jauhkan daripada kanak-kanak.
6. Penyelesaian masalah
Bahagian ini menangani isu biasa yang mungkin anda hadapi dengan latihan anda.
| Masalah | Kemungkinan Punca | Penyelesaian |
|---|---|---|
| Gerudi tidak bermula | Battery not charged or improperly installed; Forward/reverse switch in center (locked) position; Faulty battery or tool. | Ensure battery is fully charged and correctly inserted. Move forward/reverse switch to 'F' or 'R'. Test with a different charged battery if available. If problem persists, contact customer support. |
| Reduced power or short runtime | Battery not fully charged; Battery nearing end of life; Overheating. | Fully charge the battery. If battery life is consistently short, consider replacing the battery. Allow the tool to cool down if it feels hot. |
| Sedikit tergelincir dalam chuck | Chuck not tightened sufficiently; Chuck jaws are dirty or worn. | Ensure the chuck is hand-tightened securely. Clean chuck jaws. If wear is evident, the chuck may need replacement by a qualified technician. |
| Getaran atau bunyi yang berlebihan | Damaged or bent drill bit; Loose components; Internal fault. | Replace the drill bit. Check for any loose external parts. If the issue persists, discontinue use and contact customer support. |
If you encounter a problem not listed here or if the suggested solutions do not resolve the issue, please contact FERM customer support.
7. Spesifikasi
Technical data for the FERM 20V Cordless Brushless Impact Drill, Model CDM1138.
| Ciri | Spesifikasi |
|---|---|
| Nombor Model | CDM1138 |
| Pengeluar | FERM |
| Voltage | 20 Volt |
| Jenis Bateri | Litium-ion |
| Kapasiti Bateri | 2.0 Ah |
| Jenis Motor | Tanpa berus |
| Max Torque | 46 Newton-meter |
| Fungsi | Drilling, Impact Drilling, Screwdriving |
| Dimensi Produk (L x W x H) | 34 x 11 x 31 cm |
| Berat badan | 3.65 Kilogram |
| Ciri Khas | Compact, Soft Grip |
| Komponen yang Disertakan | 2.0 Ah Li-ion Battery, Fast Charger, Screwdriver Bit, Cordless Brushless Impact Drill CDM1138, Side Handle |
8. Waranti dan Sokongan
For warranty information, please refer to the warranty card included with your product packaging or consult your retailer. Keep your proof of purchase for any warranty claims.
If you require technical assistance, spare parts, or have questions regarding the operation of your FERM 20V Cordless Brushless Impact Drill, please contact FERM customer support through their official webtapak atau maklumat hubungan yang diberikan dalam dokumentasi produk anda.





