pengenalan
This manual provides essential information for the safe and effective operation, maintenance, and troubleshooting of your DEWALT DWE6421K 5-inch Single Speed Random Orbit Sander Kit. Please read and understand all instructions before using the tool.

Figure 1: DEWALT DWE6421K Orbital Sander Kit, including the sander, dust bag, and carrying bag.
Arahan Keselamatan
Sentiasa ikuti langkah berjaga-jaga keselamatan asas untuk mengurangkan risiko kebakaran, kejutan elektrik dan kecederaan diri. Simpan manual ini untuk rujukan masa hadapan.
- Pakai Pelindung Mata: Sentiasa pakai cermin mata atau cermin mata keselamatan.
- Pakai Perlindungan Pernafasan: Use a dust mask or respirator, especially when sanding wood or other materials that produce fine dust.
- Bahan Kerja Selamat: Sentiasa clamp atau sebaliknya selamatkan bahan kerja untuk mengelakkan pergerakan semasa mengampelas.
- Pastikan Kawasan Kerja Bersih: Kawasan bersepah mengundang kemalangan.
- Elakkan Permulaan Tidak Sengaja: Ensure the switch is in the OFF position before plugging in the tool.
- Jangan melampaui batas: Kekalkan pijakan dan keseimbangan yang betul pada setiap masa.
- Putuskan Kuasa: Unplug the sander from the power source before making any adjustments, changing accessories, or storing the tool.
- Gunakan Alat yang Betul: Jangan paksa alat kecil atau lampiran untuk melakukan kerja alat tugas berat.
Komponen dan Ciri
Familiarize yourself with the key parts of your DEWALT Orbital Sander.
- 3.0 Amp Motor: Delivers 12,000 OPM for efficient sanding.
- Shorter Height: Allows users to get closer to the work surface for improved control.
- Separate Counterweight Design: Reduces vibration for enhanced user comfort during extended use.
- Rubber Over-mold Grip: Provides comfortable handling in critical areas.
- Suis Bertutup Habuk: Protects against dust ingestion, extending switch life.
- Beg Habuk Pengunci Satu Tangan: Dilekatkan dengan selamat untuk pengumpulan habuk yang cekap.
- Pelabuhan Debu: Designed to fit directly to DWV010 or DWV012 dust collectors. For other vacuum systems with 1-1/4 in. hoses, use DWV9000 Universal Quick Connector.

Figure 2: Key features of the DEWALT DWE6421K Orbital Sander.
Persediaan
- Attaching Sandpaper:
- Ensure the sander is unplugged.
- Align the holes on the 5-inch hook & loop sanding disc with the holes on the sander's pad.
- Press the sanding disc firmly onto the pad to secure it.

Figure 3: The hook and loop pad allows for easy sandpaper attachment.
- Attaching Dust Bag:
- Slide the dust bag onto the dust port until it locks securely in place.
- Alternatively, connect a compatible dust collector (DWV010, DWV012, or other 1-1/4 in. vacuum systems with DWV9000 Universal Quick Connector) to the dust port.

Figure 4: Securely attach the dust bag to the sander's dust port.
- Sambungan Kuasa:
- Plug the sander into a standard 120V AC power outlet.
Operasi
- Memulakan Sander:
- Pegang sander dengan kuat dengan kedua-dua tangan.
- Place the sanding pad flat on the workpiece.
- Slide the dust-sealed switch to the ON position.
- Teknik Mengempelas:
- Apply light, even pressure. Allow the sander's weight and orbital action to do the work.
- Move the sander in smooth, overlapping passes across the surface. Avoid pressing too hard or holding the sander in one spot, as this can create swirl marks or gouges.
- For best results, sand with the grain of the wood.

Figure 5: Proper technique for using the orbital sander on a workpiece.
- Menghentikan Sander:
- Lift the sander from the workpiece.
- Slide the dust-sealed switch to the OFF position.
- Unplug the tool when finished or before making adjustments.
Official Product Video: DEWALT Random Orbit Sander, 5-Inch (DWE6421K)
Video 1: Tamatview of the DEWALT DWE6421K Random Orbit Sander, highlighting its features and benefits for various sanding tasks.
Penyelenggaraan
- Cleaning the Dust Bag: Empty the dust bag frequently to maintain optimal dust collection efficiency. To empty, twist and pull the dust bag from the port, then shake out the contents.
- Cleaning the Sander: Periodically clean the tool's exterior with a soft, damp kain. Jangan gunakan bahan kimia yang keras atau pembersih yang kasar. Pastikan bukaan pengudaraan bebas daripada habuk dan serpihan.
- Pemeriksaan Pad Mengempelas: Regularly inspect the sanding pad for wear or damage. Replace worn pads to ensure effective sanding and prevent damage to the workpiece.
- Pemeriksaan Kord: Check the power cord for any cuts, fraying, or damage. Replace damaged cords immediately to prevent electrical hazards.
Menyelesaikan masalah
| Masalah | Kemungkinan Punca | Penyelesaian |
|---|---|---|
| Sander tidak bermula. | No power to outlet; faulty switch; damaged cord. | Check power supply; ensure switch is ON; inspect cord for damage. |
| Pengumpulan habuk yang lemah. | Dust bag full or improperly attached; clogged dust port. | Empty and reattach dust bag; clear dust port. |
| Getaran yang berlebihan. | Worn sanding pad; improper sandpaper attachment. | Replace sanding pad; ensure sandpaper is correctly aligned and secured. |
| Sander meninggalkan kesan pusaran. | Too much pressure; worn sandpaper; incorrect grit. | Apply lighter pressure; replace sandpaper; use finer grit for finishing. |
Spesifikasi
| Ciri | Perincian |
|---|---|
| Jenama | DEWALT |
| Nombor Model | DWE6421K |
| Sumber Kuasa | Elektrik Bertali |
| Voltage | 120 Volt |
| Arus Penyesuai AC | 3 Amps |
| Kelajuan Putaran Maksimum | 12,000 OPM (Orbits Per Minute) |
| Saiz Pad | 5 inci |
| Berat Barang | 3.89 paun |
| Dimensi Produk | 10.08"L x 7.23"W x 6.24"H |
| Komponen yang Disertakan | (1) Dust bag; (1) Carrying bag; (1) Sander |
Waranti dan Sokongan
The DEWALT DWE6421K Orbital Sander Kit comes with a Waranti terhad 3 tahun. For warranty claims, technical support, or service information, please refer to the official DEWALT webtapak atau hubungi perkhidmatan pelanggan mereka secara langsung.
Pelan perlindungan tambahan mungkin tersedia untuk pembelian:
- Pelan Perlindungan 3 Tahun
- Pelan Perlindungan 4 Tahun
- Melindungi Lengkap: Satu pelan meliputi semua pembelian masa lalu dan masa hadapan yang layak.
Note: Protection plan details and availability may vary. Please check with your retailer or DEWALT for current offerings.





