ແນະນຳ
The Bosch GBH 3-28 E is a powerful rotary hammer drill designed for demanding drilling and chiseling tasks. Featuring an SDS-plus tool holder, it delivers maximum power with minimal vibrations, ensuring high drilling progress and 20% more chiseling performance compared to other rotary hammers in its class. This manual provides essential information for safe and efficient operation, setup, maintenance, and troubleshooting.

Image of the Bosch GBH 3-28 E rotary hammer drill, showcasing its robust design and ergonomic handle. This tool is engineered for heavy-duty applications.
ຄຸນນະສົມບັດທີ່ສໍາຄັນ:
- Maximum power output for demanding tasks.
- SDS-plus tool holder with dust protection.
- Reduced vibrations for comfortable operation.
- High drilling progress and superior chiseling performance.
ຄໍາແນະນໍາຄວາມປອດໄພ
Always observe the following safety precautions when operating the Bosch GBH 3-28 E rotary hammer drill to prevent electric shock, fire, and serious injury.
ຄຳເຕືອນຄວາມປອດໄພຂອງເຄື່ອງມືໄຟຟ້າທົ່ວໄປ:
- ຄວາມປອດໄພໃນພື້ນທີ່ເຮັດວຽກ: ຮັກສາພື້ນທີ່ບ່ອນເຮັດວຽກຂອງເຈົ້າໃຫ້ສະອາດ ແລະ ມີແສງສະຫວ່າງດີ. ພື້ນທີ່ວຸ້ນວາຍ ຫຼືບ່ອນມືດພາໃຫ້ເກີດອຸປະຕິເຫດ. ຫ້າມໃຊ້ເຄື່ອງມືໄຟຟ້າໃນບັນຍາກາດທີ່ລະເບີດ, ເຊັ່ນໃນທີ່ປະທັບຂອງຂອງແຫຼວ, ອາຍແກັສ, ຫຼືຝຸ່ນ.
- ຄວາມປອດໄພທາງໄຟຟ້າ: ປລັກເຄື່ອງມືໄຟຟ້າຕ້ອງກົງກັບປລັກສຽບ. ຢ່າດັດແປງປລັກດ້ວຍວິທີໃດກໍ່ຕາມ. ຢ່າໃຊ້ປລັກອະແດບເຕີໃດໆກັບເຄື່ອງມືໄຟຟ້າທີ່ມີສາຍດິນ. ຫຼີກລ່ຽງການສຳຜັດກັບຮ່າງກາຍກັບພື້ນຜິວທີ່ມີສາຍດິນ ຫຼື ມີສາຍດິນ ເຊັ່ນ: ທໍ່, ໝໍ້ນ້ຳຮ້ອນ, ເຕົາແກັສ ແລະ ຕູ້ເຢັນ.
- ຄວາມປອດໄພສ່ວນຕົວ: Always wear eye protection. Use hearing protection when operating for extended periods. Wear a dust mask if operations create dust. Dress properly; do not wear loose clothing or jewelry. Keep hair, clothing, and gloves away from moving parts.
- ການນໍາໃຊ້ແລະການດູແລເຄື່ອງມື: ຢ່າບັງຄັບເຄື່ອງມືພະລັງງານ. ໃຊ້ເຄື່ອງມືພະລັງງານທີ່ຖືກຕ້ອງສໍາລັບຄໍາຮ້ອງສະຫມັກຂອງທ່ານ. ຖອດປລັກສຽບໄຟອອກຈາກແຫຼ່ງພະລັງງານ ແລະ/ຫຼືຖອດຊຸດແບັດເຕີລີອອກຈາກເຄື່ອງມືໄຟຟ້າກ່ອນທີ່ຈະເຮັດການປັບປ່ຽນ, ປ່ຽນອຸປະກອນເສີມ, ຫຼືເກັບຮັກສາເຄື່ອງມືພະລັງງານ.
- ບໍລິການ: ໃຫ້ເຄື່ອງມືໄຟຟ້າຂອງທ່ານໃຫ້ບໍລິການໂດຍຜູ້ສ້ອມແປງທີ່ມີຄຸນວຸດທິໂດຍໃຊ້ພຽງແຕ່ສ່ວນທົດແທນທີ່ຄືກັນ. ນີ້ຈະຮັບປະກັນຄວາມປອດໄພຂອງເຄື່ອງມືໄຟຟ້າຖືກຮັກສາໄວ້.
ເນື້ອໃນຊຸດ
ພາຍຫຼັງການຫຸ້ມຫໍ່, ກະລຸນາຮັບປະກັນວ່າລາຍການທັງໝົດທີ່ລະບຸໄວ້ຂ້າງລຸ່ມນີ້ແມ່ນຢູ່ ແລະຢູ່ໃນສະພາບດີ:
- Bosch GBH 3-28 E Rotary Hammer Drill
- ມືຈັບຕົວຊ່ວຍ
- ຄວາມເລິກຢຸດ
- ກໍລະນີການຂົນສົ່ງ
- ຄູ່ມືຜູ້ໃຊ້ (ເອກະສານນີ້)
ຕັ້ງຄ່າ
Before operating the rotary hammer drill, follow these steps for proper setup:
1. ການຕິດຕໍ່ມືການຊ່ວຍເຫຼືອ:
- ປົດມືຈັບຕົວຊ່ວຍໂດຍການຫັນມັນກົງກັນຂ້າມຕາມເຂັມໂມງ.
- Slide the handle over the collar of the tool to the desired position.
- Tighten the handle by turning it clockwise until secure. Ensure it is firmly fixed for safe operation.
2. Inserting the Depth Stop:
- ໃສ່ຕົວຢຸດຄວາມເລິກເຂົ້າໄປໃນຮູທີ່ກຳນົດໄວ້ເທິງມືຈັບຊ່ວຍ.
- Adjust the depth stop to the required drilling depth.
- ຮັດຕົວກັ້ນຄວາມເລິກໃຫ້ແໜ້ນໂດຍການຮັດດ້າມຈັບຊ່ວຍ.
3. Inserting SDS-plus Drill Bits/Chisels:
- Clean the shank of the drill bit or chisel and apply a thin layer of grease.
- Insert the tool into the SDS-plus tool holder with a slight twisting motion until it locks.
- Pull on the tool to check if it is securely locked. A slight axial play is normal and necessary for the hammer mechanism.
ຄໍາແນະນໍາການດໍາເນີນງານ
Familiarize yourself with the controls and functions before beginning work.
1. Mode Selector Switch:
The GBH 3-28 E features a mode selector switch to choose between different operating modes:
- Drilling (Rotation only): For drilling in wood, metal, ceramics, and plastics without hammer action.
- Hammer Drilling (Rotation with Hammer Action): ສໍາລັບການເຈາະໃນຊີມັງ, masonry, ແລະກ້ອນຫີນ.
- Chiseling (Hammer Action only): For light chiseling work, such as removing tiles or breaking small sections of concrete.
ໝາຍເຫດ: Always switch modes only when the tool is switched off to prevent damage to the gearbox.
2. ການເປີດ/ປິດ:
- To switch on, press the On/Off switch.
- To switch off, release the On/Off switch.
- For continuous operation, press the On/Off switch and then press the lock-on button. To switch off, press the On/Off switch again.
3. Speed Preselection:
The rotary hammer drill features a speed preselection wheel. Adjust the speed according to the material and the size of the drill bit/chisel. Lower speeds are generally used for larger diameters and harder materials.
4. Working with the Tool:
- ການຂຸດເຈາະ: Apply moderate pressure. Let the tool do the work. Excessive pressure will not speed up drilling but can damage the drill bit and the tool.
- Chisling: Hold the tool firmly with both hands. Guide the chisel along the desired line.
- ການປ້ອງກັນການໂຫຼດເກີນ: The tool is equipped with an overload clutch. If the drill bit jams, the drive to the spindle is interrupted. Always hold the tool firmly with both hands to counteract the reaction forces.
ບໍາລຸງຮັກສາ
Regular maintenance ensures the longevity and optimal performance of your Bosch GBH 3-28 E rotary hammer drill.
1. ທໍາຄວາມສະອາດ:
- Always disconnect the plug from the power outlet before any cleaning or maintenance work.
- ຮັກສາຊ່ອງລະບາຍອາກາດໃຫ້ສະອາດເພື່ອປ້ອງກັນຄວາມຮ້ອນເກີນໄປ.
- Clean the tool holder regularly. Remove dust and debris.
- ເຊັດທີ່ຢູ່ອາໃສຂອງເຄື່ອງມືທີ່ມີຄວາມອ່ອນ, damp ຜ້າ. ຢ່າໃຊ້ສານທໍາຄວາມສະອາດທີ່ຮຸນແຮງຫຼືສານລະລາຍ.
2. ການຫຼໍ່ລື່ນ:
The SDS-plus tool holder requires periodic lubrication. Apply a thin layer of special grease to the shank of the drill bits and chisels before insertion to ensure smooth operation and reduce wear.
3. Carbon Brushes:
The carbon brushes are wear parts. If the motor sparks excessively or the tool loses power, the carbon brushes may need replacement. This should be performed by an authorized Bosch service center.
4. ການເກັບຮັກສາ:
Store the tool in a dry, secure place, out of reach of children. Use the transport case for protection.
ການແກ້ໄຂບັນຫາ
This section addresses common issues you might encounter with your Bosch GBH 3-28 E rotary hammer drill.
| ບັນຫາ | ສາເຫດທີ່ເປັນໄປໄດ້ | ການແກ້ໄຂ |
|---|---|---|
| ເຄື່ອງມືບໍ່ເລີ່ມຕົ້ນ. | ບໍ່ມີການສະຫນອງພະລັງງານ; ສະຫຼັບຜິດປົກກະຕິ; ແປງກາກບອນ worn. | Check power connection. Ensure switch is fully pressed. Contact service center for brush replacement. |
| ປະສິດທິພາບການເຈາະ/ການສະກັດຫຼຸດລົງ. | Worn drill bit/chisel; incorrect mode selection; insufficient lubrication of tool holder. | Replace worn accessories. Select correct operating mode. Lubricate tool shank. |
| ການສັ່ນສະເທືອນຫຼືສຽງດັງເກີນໄປ. | Loose auxiliary handle; damaged accessory; internal fault. | Tighten auxiliary handle. Inspect and replace damaged accessories. Contact service center. |
| ເຄື່ອງມືຮ້ອນເກີນໄປ. | Blocked ventilation slots; continuous heavy load; worn motor components. | Clean ventilation slots. Allow tool to cool down. Avoid prolonged heavy use. Contact service center. |
ຂໍ້ມູນຈໍາເພາະ
Detailed technical specifications for the Bosch GBH 3-28 E Rotary Hammer Drill:
- ຍີ່ຫໍ້: Bosch
- ໝາຍເລກຕົວແບບ: GBH 3-28 E
- ໝາຍເລກພາກສ່ວນຜູ້ຜະລິດ: 611239703
- ແຫຼ່ງພະລັງງານ: ໄຟຟ້າສາຍ
- ສະບັບtage: 230 ໂວນ
- ພະລັງງານສູງສຸດ: 800 ວັດ
- ຄວາມໄວບໍ່ມີການໂຫຼດ: 900 RPM
- ນ້ຳໜັກສິນຄ້າ: 3.5 ກິໂລກຣາມ
- ວັດສະດຸ: ໂລຫະ
- ສີ: ດຳ
- ຄຸນນະສົມບັດພິເສດ: Transmission, Long lifespan, Robust design
- ປະເພດເຈາະ: ເຈາະເຈາະ Rotary Hammer
- ຜູ້ຖືເຄື່ອງມື: SDS-plus
- ໝາຍເລກລາຍການການຄ້າທົ່ວໂລກ (GTIN): 03165140220255
ການຮັບປະກັນແລະການສະຫນັບສະຫນູນ
Warranty information for the Bosch GBH 3-28 E rotary hammer drill is typically provided with the purchase documentation. Please refer to your sales receipt or the warranty card included in the product packaging for specific terms and conditions.
For technical support, service, or spare parts, please contact Bosch customer service or visit their official website. Ensure you have your model number (GBH 3-28 E) and serial number (if applicable) ready when contacting support.
Bosch ຢ່າງເປັນທາງການ Webເວັບໄຊ: www.bosch-professional.com