Pretul ROTO-3/8P4 Hammer Drill Brugervejledning

1. Produktet er slutview

The Pretul ROTO-3/8P4 is a versatile 500W electric hammer drill designed for various drilling tasks in household and light professional applications. It features a 3/8-inch (10mm) chuck, reversible speed, and a selector for switching between drill and hammer drill functions, making it suitable for materials such as concrete, wood, and metal. The tool also includes a continuous use button for extended operation.

Figur 1: Overview of the Pretul ROTO-3/8P4 Hammer Drill. This image displays the complete tool, highlighting its compact design and key components such as the chuck, motor housing, handle, and power cord.

2. Generelle sikkerhedsinstruktioner

Always adhere to the following safety guidelines to prevent electric shock, fire, and serious injury:

• Sikkerhed på arbejdsområdet: Hold arbejdsområdet rent og godt oplyst. Rodede eller mørke områder indbyder til ulykker. Brug ikke elværktøj i eksplosive atmosfærer, f.eks. i nærheden af ​​brandfarlige væsker, gasser eller støv.
• Elektrisk sikkerhed: Elværktøjsstik skal passe til stikkontakten. Modificer aldrig stikket på nogen måde. Misbrug ikke ledningen. Brug aldrig ledningen til at bære, trække eller tage stikket ud af elværktøjet. Hold ledningen væk fra varme, olie, skarpe kanter eller bevægelige dele.
• Personlig sikkerhed: Brug altid øjenbeskyttelse. Brug høreværn, når du bruger værktøjet i længere tid. Klæd dig korrekt på; undgå løstsiddende tøj eller smykker. Fastgør langt hår.
• Brug og vedligeholdelse af elværktøj: Tving ikke elværktøjet. Brug det korrekte elværktøj til din anvendelse. Tag stikket ud af strømkilden, før du foretager justeringer, skifter tilbehør eller opbevarer elværktøj.
• Opretholdelse: Vedligehold elværktøj. Kontroller for forskydning eller binding af bevægelige dele, brud på dele og enhver anden tilstand, der kan påvirke elværktøjets funktion.

3. Opsætning

3.1 Udpakning

Carefully remove the hammer drill and all accessories from the packaging. Inspect the tool for any signs of damage that may have occurred during shipping. Retain the packaging for future storage or transport.

Figure 2: The Pretul ROTO-3/8P4 Hammer Drill as packaged. This image shows the product within its retail box, indicating the included components and basic specifications on the packaging.

3.2 Montering af borehoveder

1. Sørg for, at boremaskinen er frakoblet strømkilden, før du monterer eller fjerner bor.
2. Rotate the chuck jaws counter-clockwise to open them sufficiently to insert the drill bit.


Figure 3: A hand adjusting the chuck of the drill. This image demonstrates the manual rotation of the chuck to open or close the jaws for bit insertion.

3. Sæt borekronen helt ind i patronen, og sørg for, at den er centreret.
4. Tighten the chuck jaws by rotating them clockwise until the bit is held firmly. For a secure grip, use the provided chuck key. Insert the key into the holes on the chuck and rotate clockwise to fully tighten.


Figure 4: A hand using the chuck key to tighten a drill bit. This image illustrates the proper method for securing a drill bit in the chuck using the dedicated key, ensuring a firm and safe attachment.

3.3 Strømtilslutning

Connect the drill's power cord to a standard 120V (DC) electrical outlet. Ensure the outlet is properly grounded and capable of supplying the required ampalder (4.5 Amps).

4. Betjeningsvejledning

4.1 Tænd/sluk

To start the drill, press the trigger switch located on the handle. To stop, release the trigger. For continuous operation, press the trigger and then engage the continuous use button (if present) before releasing the trigger. To disengage continuous use, press the trigger again.

Figure 5: A hand positioned on the drill's trigger switch. This image shows the typical grip and finger placement for activating the drill and controlling its operation.

4.2 Mode Selection (Drill / Hammer Drill)

The ROTO-3/8P4 features a selector switch to choose between standard drilling and hammer drilling modes. Use the drill mode for wood, metal, and plastics. Select the hammer drill mode for masonry, concrete, and brick, which engages a percussive action in addition to rotation.

4.3 Variable Speed and Reversible Function

The drill offers variable speed control, allowing you to adjust the drilling speed by varying the pressure on the trigger. This is useful for starting holes slowly or working with different materials. The reversible function allows the chuck to rotate in both clockwise and counter-clockwise directions, useful for removing bits from tight holes or driving/removing screws (with appropriate bits).

4.4 Boreteknikker

Sørg altid for, at emnet er sikkert fastgjortamped before drilling. Apply steady, even pressure. For hammer drilling into concrete or masonry, use appropriate masonry bits. Start drilling slowly to create a pilot hole, then increase speed as needed.

Figur 6: Nærbillede view of a drill bit penetrating concrete. This image highlights the action of the drill bit as it begins to create a hole in a dense material, demonstrating the tool's capability for masonry work.

Figure 7: The Pretul ROTO-3/8P4 Hammer Drill in active use on a concrete block. This image shows the tool being operated by a user, illustrating the practical application of the hammer drill function for heavy-duty drilling tasks.

5. Vedligeholdelse

5.1 Rengøring

After each use, unplug the drill and clean the exterior with a damp klud. Brug ikke skrappe kemikalier eller slibende rengøringsmidler. Hold ventilationsåbningerne fri for støv og snavs for at sikre korrekt motorkøling.

5.2 Opbevaring

Store the drill in a dry, secure location, out of reach of children. Protect it from direct sunlight and extreme temperatures. If storing for extended periods, ensure the power cord is neatly coiled and not kinked.

6. Fejlfinding

• Boremaskinen starter ikke: Check if the power cord is securely plugged into a live outlet. Ensure the trigger is fully depressed.
• Strømtab under drift: This could indicate an overloaded circuit. Reduce the load or move to a different circuit. Check for any obstructions in the motor's ventilation.
• For kraftig vibration eller støj: Ensure the drill bit is properly seated and tightened in the chuck. Check for any loose components. If the issue persists, discontinue use and contact customer support.
• Bit not drilling effectively: Ensure you are using the correct type of drill bit for the material. For hammer drilling, ensure the hammer function is engaged. Apply appropriate pressure.

7. Specifikationer

8. Garanti og support

For warranty information, technical support, or service inquiries, please refer to the documentation included with your product or visit the official Pretul webwebsted. Behold din købskvittering som købsbevis i tilfælde af garantikrav.