Pambuka
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.
Fitur utama:
- 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.
Pandhuan Safety
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.
Peringatan Keamanan Umum Alat Daya:
- Keamanan Area Kerja: Tansah papan kerja sampeyan resik lan padhang. Wilayah sing rame utawa peteng nyebabake kacilakan. Aja ngoperasikake piranti listrik ing atmosfer sing mbledhos, kayata ing ngarsane cairan, gas, utawa bledug sing gampang kobong.
- Keamanan Listrik: Colokan alat daya kudu cocog karo stopkontak. Aja ngowahi plug ing sembarang cara. Aja nggunakake colokan adaptor sing nganggo alat listrik sing dibumiake (grounded). Aja kontak awak karo permukaan lemah utawa lemah kayata pipa, radiator, kisaran, lan kulkas.
- Keamanan Pribadi: 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.
- Gunakake lan Perawatan Alat: Aja meksa alat listrik. Gunakake alat daya sing bener kanggo aplikasi sampeyan. Copot plug saka sumber daya lan/utawa copot baterei saka piranti daya sadurunge nggawe pangaturan, ngganti aksesoris, utawa nyimpen piranti daya.
- Layanan: Nduwe alat listrik sing dilayani dening tukang ndandani sing mumpuni kanthi nggunakake bagean panggantos sing padha. Iki bakal mesthekake yen safety saka alat daya wis maintained.
Isi Paket
Sawise mbongkar, priksa manawa kabeh barang sing kapacak ing ngisor iki ana lan ing kondisi apik:
- Bosch GBH 3-28 E Rotary Hammer Drill
- Handle bantu
- Depth Stop
- Kasus Transportasi
- Manual pangguna (dokumen iki)
Setup
Before operating the rotary hammer drill, follow these steps for proper setup:
1. Masang Gagang Bantu:
- Loosen gagang tambahan kanthi nguripake counter-clockwise.
- Geser gagang ing iker-iker rasukan alat menyang posisi sing dikarepake.
- Tighten the handle by turning it clockwise until secure. Ensure it is firmly fixed for safe operation.
2. Inserting the Depth Stop:
- Lebokake mandeg ambane menyang bolongan sing wis ditemtokake ing gagang tambahan.
- Adjust the depth stop to the required drilling depth.
- Amanake penahan ambane kanthi ngencengi gagang bantu.
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.
Instruksi Operasi
Familiarize dhewe karo kontrol lan fungsi sadurunge miwiti karya.
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.
- Pengeboran Palu (Rotasi nganggo Aksi Palu): 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.
Cathetan: Always switch modes only when the tool is switched off to prevent damage to the gearbox.
2. Ngaktifake / Pateni:
- To switch on, press the On/Off switch.
- To switch off, release the On/Off switch.
- Kanggo operasi terus-terusan, penet saklar On/Off banjur pencet tombol lock-on. Kanggo mateni, penet maneh tombol On/Off.
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:
- Pengeboran: 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.
- Pahat: Hold the tool firmly with both hands. Guide the chisel along the desired line.
- Proteksi kakehan: 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.
Pangopènan
Regular maintenance ensures the longevity and optimal performance of your Bosch GBH 3-28 E rotary hammer drill.
1. Reresik:
- Always disconnect the plug from the power outlet before any cleaning or maintenance work.
- Supaya slot ventilasi tetep resik kanggo nyegah overheating.
- Clean the tool holder regularly. Remove dust and debris.
- Ngusap omah piranti kanthi alus, damp kain. Aja nggunakake agen pembersih utawa pelarut sing atos.
2. Lubrication:
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. Panyimpenan:
Store the tool in a dry, secure place, out of reach of children. Use the transport case for protection.
Ngatasi masalah
This section addresses common issues you might encounter with your Bosch GBH 3-28 E rotary hammer drill.
| Masalah | Kemungkinan Penyebab | Solusi |
|---|---|---|
| Alat ora diwiwiti. | Ora ana catu daya; saklar rusak; sikat karbon wis aus. | 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. |
| Getaran utawa swara sing gedhe banget. | Loose auxiliary handle; damaged accessory; internal fault. | Tighten auxiliary handle. Inspect and replace damaged accessories. Contact service center. |
| Alat overheat. | Blocked ventilation slots; continuous heavy load; worn motor components. | Clean ventilation slots. Allow tool to cool down. Avoid prolonged heavy use. Contact service center. |
Spesifikasi
Detailed technical specifications for the Bosch GBH 3-28 E Rotary Hammer Drill:
- Merk: Bosch
- Nomer Model: GBH 3-28 E
- Nomer Bagian Produsen: 611239703
- Sumber Daya: Kabel Listrik Kab
- Voltage: 230 volt
- Daya maksimum: 800 Watt
- Kacepetan tanpa beban: 900 RPM
- Bobot produk: 3.5 kg
- Bahan: logam
- warna: ireng
- Fitur khusus: Transmission, Long lifespan, Robust design
- Jinis Bor: Bor Pethel Rotary
- Wadhah alat: SDS-plus
- Nomer Item Perdagangan Global (GTIN): 03165140220255
Warranty lan Dhukungan
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.
Resmi Bosch Websitus: www.bosch-professional.com