1. پیژندنه
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.
شکل 1: Bosch GBH 2-28 DV Professional Rotary Hammer. This image shows the complete tool with its main body, handle, and chuck.
2. عمومي خوندیتوب لارښوونې
د بریښنا شاک، اور لګیدو او جدي ټپي کیدو مخنیوي لپاره تل لاندې خوندیتوب احتیاطي تدابیر په پام کې ونیسئ.
- د کاري ساحې خوندیتوب: خپل کاري ساحه پاکه او ښه روښانه وساتئ. د بریښنا وسایل په چاودیدونکو فضا کې مه کاروئ، لکه د اور اخیستونکي مایعاتو، ګازونو یا دوړو په شتون کې.
- بریښنایی خوندیتوب: د بریښنا وسایل باید د ساکټ سره سمون ولري. هیڅکله پلګ په هیڅ ډول مه بدلوئ. د خاورې یا ځمکې لاندې سطحو سره د بدن له تماس څخه ډډه وکړئ. د بریښنا وسایل باران یا لوند شرایطو ته مه ښکاره کوئ.
- شخصي خوندیتوب: 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.
- د بریښنا وسیلې کارول او ساتنه: د برېښنا وسیله مه مجبوروئ. د خپل کارونې لپاره سم برېښنا وسیله وکاروئ. د هر ډول سمونونو کولو، لوازمو بدلولو، یا د برېښنا وسایلو ذخیره کولو دمخه د برېښنا سرچینې څخه پلګ جلا کړئ.
- خدمت: خپل د بریښنا وسیله ولرئ چې د ترمیم وړ کس لخوا یوازې د ورته ځای پرځای کولو برخو په کارولو سره خدمت وکړئ.
- 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. اجزاوو ختمview
Familiarize yourself with the main components of your Bosch GBH 2-28 DV Rotary Hammer.
- SDS-plus Tool Holder
- ژور بند
- مرستندویه دستګاه
- Mode Selector Switch (Drilling, Hammer Drilling, Chiseling)
- Rotation Stop Button (for chiseling)
- د متغیر سرعت محرک
- Lock-on Button for Continuous Operation
- د بریښنا تار
- Active Vibration Control System
شکل 2: Auxiliary Handle and Depth Stop. This image highlights the ergonomic auxiliary handle and the depth stop mechanism, crucial for controlled drilling.
4. ترتیب کول
۴.۱ د مرستندویه لاستی نښلول
The auxiliary handle (3) allows for secure two-handed operation and can be rotated to any position for optimal working posture.
- مرستندویه لاستی د ساعت په مخالف لوري وګرځولو سره خلاص کړئ.
- Slide the handle over the chuck and position it as desired.
- Tighten the auxiliary handle by turning it clockwise until secure.
۴.۲ د ژوروالي تمځای نصب کول
The depth stop (2) is used to set a precise drilling depth.
- Insert the depth stop into the opening on the auxiliary handle.
- د ژوروالي تمځای د مطلوب برمه کولو ژوروالي سره تنظیم کړئ. د ډرل بټ له سر څخه د ژوروالي تمځای پای ته واټن د برمه کولو ژوروالی په ګوته کوي.
- Ensure the auxiliary handle is securely tightened to hold the depth stop in place.
5. عملیاتي لارښوونې
5.1 د بریښنا نښلول
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.
- داخلول: 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.
- لرې کول: Pull back the locking sleeve of the SDS-plus tool holder and remove the drill bit.
۵.۲ د عملیاتي حالت غوره کول
Use the mode selector switch (4) to choose the desired operating mode:
- برمه کول (یوازې گردش): 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.
یادونه: Change the operating mode only when the tool is switched off to prevent damage.
۴.۲ د متغیر سرعت کنټرول
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. ساتنه
Regular maintenance ensures the longevity and optimal performance of your rotary hammer.
- پاکول: Keep the ventilation openings of the power tool clean to prevent overheating. Regularly clean the SDS-plus tool holder to remove dust and debris.
- غوړول: Apply a thin layer of grease to the shank of SDS-plus accessories before insertion to ensure smooth operation and reduce wear.
- د کاربن برشونه: 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.
- ذخیره کول: وسیله په وچ، خوندي ځای کې وساتئ، د ماشومانو له لاسرسي څخه لرې.
7. ستونزه حل کول
| ستونزه | احتمالي لامل | د حل لاره |
|---|---|---|
| وسیله نه پیل کیږي. | د برېښنا نشتوالی؛ د برېښنا تار/پلګ خراب دی؛ سویچ خراب دی. | Check power connection. Inspect power cord/plug for damage. If switch is defective, contact service. |
| د برمه کولو فعالیت کم شوی. | 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). | د ډرل بټ په ورک پیس کې بند شوی. | Release the trigger, remove the tool from the workpiece, and clear the obstruction. Resume operation carefully. |
8. تخنیکي مشخصات
| ماډل | GBH 2-28 DV |
| د توکي ماډل شمیره | 0 611 267 1K0 |
| برانډ | بوش |
| د بریښنا انډول | 850 واټ |
| د بریښنا سرچینه | د بریښنا تار شوی |
| اعظمي گردش سرعت | 850 RPM |
| Ampزمانه | 14 Amps |
| د وسیلې لرونکی | SDS-plus |
| Drilling Capacity (Concrete, Hammer Drill Bits) | ۱.۵ - ۱۳ ملي متره |
| Drilling Capacity (Masonry, Core Cutters) | تر 68 ملي میتره پورې |
| د برمه کولو ظرفیت (لرګی) | تر 30 ملي میتره پورې |
| د برمه کولو ظرفیت (فلز) | تر 13 ملي میتره پورې |
| د توکي وزن | 4.9 کیلو ګرامه |
| د محصول ابعاد (LxWxH) | 36 x 45 x 11.5 سانتي متره |
| شاملې برخې | Auxiliary handle, carrying case, depth stop 210 mm |
9. تضمین او ملاتړ
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 webسایټ
For technical assistance, spare parts, or service, please contact Bosch customer support:
- د پیرودونکي پاملرنې شمیره: 18004258665 (as per manufacturer info)
- جوړونکی: د بوش پاور اوزار (چین) لمیټډ
- واردوونکی/پیکر: بوش لمیټډ، د پوسټ بکس شمیره: 3000، هوسور سړک، اډوګوډي، بنګلور - 560030، هند.
Always provide the model number (GBH 2-28 DV) and item model number (0 611 267 1K0) when contacting support for efficient service.
