Bosch GBH 2-28 DV Professional Rotary Hammer User Manual

1. Inngangur

This manual provides essential information for the safe and effective operation, setup, and maintenance of your Bosch GBH 2-28 DV Professional Rotary Hammer. Please read these instructions carefully before using the tool and keep them for future reference. The Bosch GBH 2-28 DV is a powerful 850W rotary hammer designed for drilling in concrete, masonry, wood, and metal, as well as for light chiseling applications.

Mynd 1: Bosch GBH 2-28 DV Professional Rotary Hammer. This image shows the complete tool with its main body, handle, and chuck.

2. Almennar öryggisleiðbeiningar

Fylgið alltaf eftirfarandi öryggisráðstöfunum til að koma í veg fyrir rafstuð, eld og alvarleg meiðsli.

• Öryggi vinnusvæðis: Haldið vinnusvæðinu hreinu og vel upplýstu. Notið ekki rafmagnsverkfæri í sprengifimum andrúmsloftum, svo sem í návist eldfimra vökva, lofttegunda eða ryks.
• Rafmagnsöryggi: Klóar á rafmagnsverkfærum verða að passa við innstunguna. Breytið aldrei klónum á nokkurn hátt. Forðist snertingu við jarðtengda fleti. Ekki láta rafmagnsverkfæri verða fyrir rigningu eða bleytu.
• Persónulegt öryggi: Always wear eye protection. Use hearing protection when operating the tool for extended periods. Wear a dust mask when working in dusty conditions. Dress properly; avoid loose clothing or jewelry.
• Notkun og umhirða rafmagnsverkfæra: Ekki þvinga rafmagnsverkfærið. Notið rétt rafmagnsverkfæri fyrir notkunina. Aftengdu klóna frá aflgjafanum áður en þú gerir stillingar, skiptir um fylgihluti eða geymir rafmagnsverkfæri.
• Þjónusta: Látið viðurkenndan viðgerðaraðila viðhalda rafmagnsverkfærinu þínu sem notar aðeins eins varahluti.
• Overload Clutch: The tool is equipped with an overload clutch for user and tool protection in case of a jammed drill bit. If the drill bit jams, the drive to the drill spindle is interrupted. Due to the forces that occur, always hold the power tool firmly with both hands and assume a secure stance.

3. Íhlutir yfirview

Familiarize yourself with the main components of your Bosch GBH 2-28 DV Rotary Hammer.

1. SDS-plus Tool Holder
2. Dýptarstopp
3. Aukahandfang
4. Mode Selector Switch (Drilling, Hammer Drilling, Chiseling)
5. Rotation Stop Button (for chiseling)
6. Breytilegur hraðakveikja
7. Læsingarhnappur fyrir stöðuga notkun
8. Rafmagnssnúra
9. Active Vibration Control System

Mynd 2: Auxiliary Handle and Depth Stop. This image highlights the ergonomic auxiliary handle and the depth stop mechanism, crucial for controlled drilling.

4. Uppsetning

4.1 Að festa hjálparhandfangið

The auxiliary handle (3) allows for secure two-handed operation and can be rotated to any position for optimal working posture.

• Losaðu hjálparhandfangið með því að snúa því rangsælis.
• Slide the handle over the chuck and position it as desired.
• Herðið hjálparhandfangið með því að snúa því réttsælis þar til það er fest.

4.2 Uppsetning dýptarstopps

The depth stop (2) is used to set a precise drilling depth.

• Insert the depth stop into the opening on the auxiliary handle.
• Stilltu dýptarstoppið á þá bordýpt sem óskað er eftir. Fjarlægðin frá oddi borsins að enda dýptarstoppsins gefur til kynna bordýptina.
• Ensure the auxiliary handle is securely tightened to hold the depth stop in place.

5. Notkunarleiðbeiningar

5.1 Rafmagnstenging

Ensure the power tool's voltage rating matches your local power supply before plugging it in. The tool operates on a standard corded electric power source.

5.2 Inserting and Removing SDS-plus Drill Bits

The SDS-plus tool holder (1) allows for quick and tool-free accessory changes.

• Setur inn: Clean the shank of the drill bit and apply a thin layer of grease. Insert the drill bit into the tool holder with a rotating motion until it locks. Pull on the drill bit to check if it is securely locked.
• Fjarlægir: Pull back the locking sleeve of the SDS-plus tool holder and remove the drill bit.

5.3 Val á rekstrarham

Use the mode selector switch (4) to choose the desired operating mode:

• Borun (aðeins snúningur): For drilling in wood, metal, ceramics, and plastic. Set the switch to the drill symbol.
• Hammer Drilling (Rotation with Hammer Action): For drilling in concrete and masonry. Set the switch to the hammer drill symbol.
• Chiseling (Hammer Action Only with Rotation Stop): For light chiseling work. Set the switch to the chisel symbol. Press the rotation stop button (5) to lock the chisel in the desired position.

Athugið: Change the operating mode only when the tool is switched off to prevent damage.

5.4 Breytileg hraðastýring

The variable speed trigger (6) allows for infinitely variable speed adjustment. The harder you press the trigger, the higher the rotational speed. This feature is useful for starting holes precisely and adapting to different materials.

5.5 Continuous Operation (Lock-on Button)

For continuous operation, press the variable speed trigger (6) and then press the lock-on button (7). To switch off, press the variable speed trigger again.

6. Viðhald

Reglulegt viðhald tryggir langlífi og bestu mögulegu afköst snúningshamarsins.

• Þrif: Keep the ventilation openings of the power tool clean to prevent overheating. Regularly clean the SDS-plus tool holder to remove dust and debris.
• Smurning: Apply a thin layer of grease to the shank of SDS-plus accessories before insertion to ensure smooth operation and reduce wear.
• Kolefnisburstar: If the tool shows excessive sparking or reduced performance, the carbon brushes may need inspection or replacement. This should be done by a qualified service technician.
• Geymsla: Geymið verkfærið á þurrum, öruggum stað, þar sem börn ná ekki til.

7. Bilanagreining

8. Tæknilýsingar

9. Ábyrgð og stuðningur

Bosch power tools are manufactured to the highest quality standards and undergo rigorous testing. This product comes with a standard manufacturer's warranty. For specific warranty terms and conditions, please refer to the warranty card included with your product or visit the official Bosch websíða.

For technical assistance, spare parts, or service, please contact Bosch customer support:

• Þjónustunúmer: 18004258665 (as per manufacturer info)
• Framleiðandi: Bosch Power Tools (Kína) ehf.
• Innflytjandi/Pökkunaraðili: Bosch Ltd., pósthólf nr.: 3000, Hosur Road, Adugodi, Bangalore - 560030, Indland.

Always provide the model number (GBH 2-28 DV) and item model number (0 611 267 1K0) when contacting support for efficient service.