Okwu mmalite
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.
Akụkụ ndị bụ isi:
- 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.
Ntuziaka nchekwa
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.
Ịdọ aka ná ntị Nchekwa Ngwá Ọrụ Ike General:
- Nchekwa mpaghara ọrụ: Debe ebe ọrụ gị ọcha na ọkụ nke ọma. Ebe mgbagwoju anya ma ọ bụ ọchịchịrị na-akpọ ihe mberede. Ejila ngwaọrụ ike rụọ ọrụ n'ime ikuku mgbawa, dị ka n'ihu mmiri ọkụ, gas, ma ọ bụ uzuzu.
- Nchekwa Eletriki: Plọg ngwá ọrụ ike ga-adakọrịrịrịrị. Agbanwela plọg ahụ n'ụzọ ọ bụla. Ejila plọg nkwụnye ọ bụla nwere ngwaọrụ ike ala (ala ala). Zenarị mmetụ ahụ n'elu ala ala ma ọ bụ n'ala dị ka ọkpọkọ, radiators, ranges, na friji.
- Nchekwa nkeonwe: 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.
- Iji na Nlekọta Ngwa: Amanyela ngwá ọrụ ike. Jiri ngwa ike ziri ezi maka ngwa gị. Kwụpụ plọg na isi iyi ọkụ na/ma ọ bụ wepụ ngwugwu batrị na ngwa ike tupu ime mgbanwe ọ bụla, ịgbanwe ngwa, ma ọ bụ ichekwa ngwa ike.
- Ọrụ: Mee ka onye nrụzi tozuru etozu were naanị akụkụ ndochi anya na-arụ ọrụ ike gị. Nke a ga-eme ka nchekwa nke ngwá ọrụ ike na-echekwa.
Ihe ngwugwu
Mgbe ebupuchara, biko hụ na ihe niile edepụtara n'okpuru nọ na ọ dị mma:
- Bosch GBH 3-28 E Rotary Hammer Drill
- Aka Enyemaka
- Omimi Nkwụsị
- Okwu njem
- Akwụkwọ ntuziaka (akwụkwọ a)
Melite
Before operating the rotary hammer drill, follow these steps for proper setup:
1. Ịtinye aka inyeaka:
- Loosen the auxiliary handle by turning it counter-clockwise.
- 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:
- Insert the depth stop into the designated hole on the auxiliary handle.
- Adjust the depth stop to the required drilling depth.
- Secure the depth stop by tightening the auxiliary handle.
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.
Ntuziaka ọrụ
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): For drilling in concrete, masonry, and stone.
- Chiseling (Hammer Action only): For light chiseling work, such as removing tiles or breaking small sections of concrete.
Mara: Always switch modes only when the tool is switched off to prevent damage to the gearbox.
2. ịgbanwuo/ gbanyụọ:
- 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:
- Ịkụ ala: 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.
- Chiseling: Hold the tool firmly with both hands. Guide the chisel along the desired line.
- Nchekwa ibu ibu: 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.
Nlekọta
Regular maintenance ensures the longevity and optimal performance of your Bosch GBH 3-28 E rotary hammer drill.
1. Nhicha:
- Always disconnect the plug from the power outlet before any cleaning or maintenance work.
- Debe oghere ikuku dị ọcha iji gbochie oke okpomọkụ.
- Clean the tool holder regularly. Remove dust and debris.
- Jiri nwayọ hichaa ụlọ akụrụngwa, damp akwa . Ejila ihe nhicha siri ike ma ọ bụ ihe mgbaze.
2. mmanu mmanu:
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. Nchekwa:
Store the tool in a dry, secure place, out of reach of children. Use the transport case for protection.
Nchọpụta nsogbu
This section addresses common issues you might encounter with your Bosch GBH 3-28 E rotary hammer drill.
| Nsogbu | Ihe nwere ike ime | Ngwọta |
|---|---|---|
| Ngwá ọrụ anaghị ebido. | Enweghị ike; mgba ọkụ nwere nsogbu; ahịhịa carbon emebiela. | Check power connection. Ensure switch is fully pressed. Contact service center for brush replacement. |
| Reduced drilling/chiseling performance. | Worn drill bit/chisel; incorrect mode selection; insufficient lubrication of tool holder. | Replace worn accessories. Select correct operating mode. Lubricate tool shank. |
| Oke ịma jijiji ma ọ bụ mkpọtụ. | Loose auxiliary handle; damaged accessory; internal fault. | Tighten auxiliary handle. Inspect and replace damaged accessories. Contact service center. |
| Ngwá ọrụ na-ekpo oke ọkụ. | Blocked ventilation slots; continuous heavy load; worn motor components. | Clean ventilation slots. Allow tool to cool down. Avoid prolonged heavy use. Contact service center. |
Nkọwapụta
Detailed technical specifications for the Bosch GBH 3-28 E Rotary Hammer Drill:
- Akara: Bosch
- Nọmba nlereanya: GBH 3-28 E
- Nọmba akụkụ onye nrụpụta: 611239703
- Isi mmalite ike: Igwe ọkụ eletrik
- Voltage: 230 volts
- Ike kacha 800 Watt
- Ọsọ enweghị ibu: 900 RPM
- Arọ ngwaahịa: 3.5 kilogram
- Ihe: Ọla
- Agba: Nwa
- Atụmatụ pụrụ iche: Transmission, Long lifespan, Robust design
- Ụdị egwu egwu: Rotary Hammer Drill
- Ihe njide ngwaọrụ: SDS-gbakwunyere
- Global Trade Item Number (GTIN): 03165140220255
Akwụkwọ ikike na nkwado
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 Official Websaịtị: www.bosch-professional.com