Introducció
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.
Instruccions de seguretat
Seguiu sempre les precaucions de seguretat bàsiques per reduir el risc d'incendi, descàrrega elèctrica i lesions personals. Conserveu aquest manual per a futures consultes.
- Porteu protecció ocular: Feu servir sempre ulleres o ulleres de seguretat.
- Wear Respiratory Protection: Use a dust mask or respirator, especially when sanding wood or other materials that produce fine dust.
- Peça de treball segura: Sempre clamp or otherwise secure the workpiece to prevent movement during sanding.
- Mantenir la zona de treball neta: Les zones desordenades conviden accidents.
- Evitar l'arrencada accidental: Assegureu-vos que l'interruptor estigui en la posició OFF abans d'endollar l'eina.
- No sobrepasseu: Mantenir un bon peu i un equilibri en tot moment.
- Desconnecteu l'alimentació: Unplug the sander from the power source before making any adjustments, changing accessories, or storing the tool.
- Utilitzeu l'eina correcta: No forceu les eines o els accessoris petits a fer la feina d'una eina de gran resistència.
Components i característiques
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.
- Dust-Sealed Switch: Protects against dust ingestion, extending switch life.
- One-Handed Locking Dust Bag: Securely attaches for efficient dust collection.
- Port de pols: 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.
Configuració
- Attaching Sandpaper:
- Assegureu-vos que la polidora estigui desendollada.
- Align the holes on the 5-inch hook & loop sanding disc with the holes on the sander's pad.
- Premeu fermament el disc de polir sobre el coixinet per fixar-lo.

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.
- Connexió d'alimentació:
- Plug the sander into a standard 120V AC power outlet.
Funcionament
- Starting the Sander:
- Agafeu fermament la polidora amb les dues mans.
- Place the sanding pad flat on the workpiece.
- Slide the dust-sealed switch to the ON position.
- Tècnica de poliment:
- 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.
- Stopping the 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)
Vídeo 1: Un overview of the DEWALT DWE6421K Random Orbit Sander, highlighting its features and benefits for various sanding tasks.
Manteniment
- 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: Netegeu periòdicament l'exterior de l'eina amb un drap suau i sec.amp cloth. Do not use harsh chemicals or abrasive cleaners. Ensure ventilation openings are clear of dust and debris.
- Inspecció de la placa de poliment: Regularly inspect the sanding pad for wear or damage. Replace worn pads to ensure effective sanding and prevent damage to the workpiece.
- Inspecció del cable: Check the power cord for any cuts, fraying, or damage. Replace damaged cords immediately to prevent electrical hazards.
Resolució de problemes
| Problema | Causa possible | Solució |
|---|---|---|
| La polidora no arrenca. | No power to outlet; faulty switch; damaged cord. | Check power supply; ensure switch is ON; inspect cord for damage. |
| Mala recollida de pols. | Dust bag full or improperly attached; clogged dust port. | Empty and reattach dust bag; clear dust port. |
| Vibració excessiva. | Worn sanding pad; improper sandpaper attachment. | Replace sanding pad; ensure sandpaper is correctly aligned and secured. |
| La polidora deixa marques de remolí. | Too much pressure; worn sandpaper; incorrect grit. | Apply lighter pressure; replace sandpaper; use finer grit for finishing. |
Especificacions
| Característica | Detall |
|---|---|
| Marca | DISPOSICIÓ |
| Número de model | DWE6421K |
| Font d'alimentació | Elèctric amb cable |
| Voltage | 120 Volts |
| Corrent de l'adaptador de CA | 3 Amps |
| Velocitat de rotació màxima | 12,000 OPM (òrbites per minut) |
| Mida del coixinet | 5 polzades |
| Pes de l'article | 3.89 lliures |
| Dimensions del producte | 10.08 cm de llargada x 7.23 cm d'amplada x 6.24 cm d'alçada |
| Components inclosos | (1) Dust bag; (1) Carrying bag; (1) Sander |
Garantia i Suport
The DEWALT DWE6421K Orbital Sander Kit comes with a Garantia limitada d'3 any. For warranty claims, technical support, or service information, please refer to the official DEWALT weblloc web o contacteu directament amb el seu servei d'atenció al client.
Pot ser que hi hagi plans de protecció addicionals disponibles per a la compra:
- Pla de protecció de 3 anys
- Pla de protecció de 4 anys
- Complete Protect: One plan covers all eligible past and future purchases.
Note: Protection plan details and availability may vary. Please check with your retailer or DEWALT for current offerings.





