1. Ifihan
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.
Nọmba 1: Bosch GBH 2-28 DV Professional Rotary Hammer. This image shows the complete tool with its main body, handle, and chuck.
2. Gbogbogbo Abo ilana
Nigbagbogbo ṣe akiyesi awọn iṣọra ailewu atẹle lati ṣe idiwọ mọnamọna ina, ina, ati ipalara nla.
- Aabo Agbegbe Iṣẹ: Jeki agbegbe iṣẹ rẹ mọ ki o si tan daradara. Ma ṣe ṣiṣẹ awọn irinṣẹ agbara ni awọn bugbamu bugbamu, gẹgẹbi niwaju awọn olomi ina, gaasi, tabi eruku.
- Aabo Itanna: Awọn pilogi irinṣẹ agbara gbọdọ baramu iṣan. Maṣe yi plug naa pada ni ọna eyikeyi. Yago fun olubasọrọ ara pẹlu ilẹ tabi ilẹ roboto. Ma ṣe fi awọn irinṣẹ agbara han si ojo tabi awọn ipo tutu.
- Aabo ti ara ẹni: 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.
- Lilo ati Itọju Ohun elo Agbara: Maṣe fi agbara mu ohun elo agbara. Lo ohun elo agbara ti o pe fun ohun elo rẹ. Ge asopọ plug lati orisun agbara ṣaaju ṣiṣe eyikeyi awọn atunṣe, yiyipada awọn ẹya ẹrọ, tabi titoju awọn irinṣẹ agbara.
- Iṣẹ: Jẹ ki ohun elo agbara rẹ ṣe iṣẹ nipasẹ eniyan atunṣe ti o peye nipa lilo awọn ẹya ara rirọpo kanna nikan.
- 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. irinše Loriview
Familiarize yourself with the main components of your Bosch GBH 2-28 DV Rotary Hammer.
- SDS-plus Tool Holder
- Ijinle Duro
- Oluranlọwọ Handle
- Yiyi Aṣayan Ipo (iwakusa, Lilọ Hammer, Ṣiṣako)
- Rotation Stop Button (for chiseling)
- Oniyipada Iyara Iyatọ
- Bọtini Titiipa fun Iṣiṣẹ Tesiwaju
- Okun agbara
- Active Vibration Control System
Nọmba 2: Auxiliary Handle and Depth Stop. This image highlights the ergonomic auxiliary handle and the depth stop mechanism, crucial for controlled drilling.
4. Eto
4.1 So Imudani Iranlọwọ
The auxiliary handle (3) allows for secure two-handed operation and can be rotated to any position for optimal working posture.
- Tu imudani oluranlọwọ nipa titan-ni-aago.
- Slide the handle over the chuck and position it as desired.
- Tighten the auxiliary handle by turning it clockwise until secure.
4.2 Installing the Depth Stop
The depth stop (2) is used to set a precise drilling depth.
- Insert the depth stop into the opening on the auxiliary handle.
- Adjust the depth stop to the desired drilling depth. The distance from the tip of the drill bit to the end of the depth stop indicates the drilling depth.
- Ensure the auxiliary handle is securely tightened to hold the depth stop in place.
5. Awọn ilana Iṣiṣẹ
5.1 Asopọ agbara
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.
- Nfi sii: 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.
- yiyọ: Pull back the locking sleeve of the SDS-plus tool holder and remove the drill bit.
5.3 Yiyan Ipo Ṣiṣẹ
Use the mode selector switch (4) to choose the desired operating mode:
- Lilọ kiri (Yipo nikan): 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.
Akiyesi: Change the operating mode only when the tool is switched off to prevent damage.
5.4 Ayípadà iyara Iṣakoso
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. Itọju
Regular maintenance ensures the longevity and optimal performance of your rotary hammer.
- Ninu: Keep the ventilation openings of the power tool clean to prevent overheating. Regularly clean the SDS-plus tool holder to remove dust and debris.
- Lubrication: Apply a thin layer of grease to the shank of SDS-plus accessories before insertion to ensure smooth operation and reduce wear.
- Awọn Fọlẹ Erogba: 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.
- Ibi ipamọ: Tọju ohun elo naa ni aaye gbigbẹ, ti o ni aabo, ti ko de ọdọ awọn ọmọde.
7. Laasigbotitusita
| Isoro | Owun to le Fa | Ojutu |
|---|---|---|
| Irinṣẹ ko bẹrẹ. | No power supply; faulty power cord/plug; defective switch. | Check power connection. Inspect power cord/plug for damage. If switch is defective, contact service. |
| Din liluho iṣẹ. | Worn drill bit; incorrect operating mode; carbon brushes worn. | Replace drill bit. Select correct operating mode. Have carbon brushes checked by service. |
| Hammer action not engaging. | Incorrect operating mode; tool holder dirty. | Ensure hammer drilling mode is selected. Clean SDS-plus tool holder. |
| Tool stops during operation (overload clutch). | Drill bit jammed in workpiece. | Release the trigger, remove the tool from the workpiece, and clear the obstruction. Resume operation carefully. |
8. Imọ ni pato
| Awoṣe | GBH 2-28 DV |
| Nọmba Awoṣe Nkan | 0 611 267 1K0 |
| Brand | Bosch |
| Agbara Input | 850 Wattis |
| Orisun agbara | Okun Itanna |
| Iyara Yiyipo ti o pọju | 850 RPM |
| Ampigba | 14 Amps |
| Dimu irin | SDS-plus |
| Drilling Capacity (Concrete, Hammer Drill Bits) | 4 - 28 milimita |
| Drilling Capacity (Masonry, Core Cutters) | Titi di 68 mm |
| Agbara Liluho (Igi) | Titi di 30 mm |
| Agbara Liluho (irin) | Titi di 13 mm |
| Iwọn Nkan | 4.9 kg |
| Awọn iwọn Ọja (LxWxH) | 36 x 45 x 11.5 cm |
| Awọn irinše to wa | Auxiliary handle, carrying case, depth stop 210 mm |
9. Atilẹyin ọja ati Support
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 webojula.
For technical assistance, spare parts, or service, please contact Bosch customer support:
- Bẹẹkọ Itọju Onibara: 18004258665 (as per manufacturer info)
- Olupese: Bosch Power Tools (China) Ltd.
- Olukowọle/Apoti: Bosch Ltd., Post Box No: 3000, Hosur Road, Adugodi, Bangalore - 560030, India.
Always provide the model number (GBH 2-28 DV) and item model number (0 611 267 1K0) when contacting support for efficient service.
