Folasaga
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.
Vaega Autu:
- 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.
Faatonuga Saogalemu
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.
Lapataiga Saogalemu Meafaigaluega Lautele:
- Saogalemu a le Vaega o Galuega: Ia tausia mama lou nofoaga faigaluega ma ia malamalama lelei. O nofoaga fa'ama'i pe pogisa e fa'alavelave ai. Aua ne'i fa'aogaina mea faigaluega i totonu o le ea pa, e pei o le i ai o vai e mu, kasa, po'o le pefu.
- Saogalemu Faaeletise: E tatau ona fetaui palaka meafaigaluega ma le so'o. Aua lava ne'i suia le polo i soo se auala. Aua ne'i fa'aogaina so'o se palaka fa'apipi'i fa'atasi ma mea faigaluega eletise fa'eleelea. Aloese mai le fa'afeso'ota'i o le tino i luga ole eleele pe fa'a'ele'elea e pei o paipa, radiators, laina, ma pusaaisa.
- Saogalemu a le Tagata Lava Ia: 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.
- Fa'aoga ma Tausiga Meafaigaluega: Aua le faamalosia le meafaigaluega eletise. Fa'aoga le meafaigaluega eletise sa'o mo lau talosaga. Aveese le polo mai le puna eletise ma/pe aveese le pusa maa mai le meafaigaluega eletise aʻo leʻi faia ni fetuunaiga, suia mea faʻaoga, poʻo le teuina o meafaigaluega eletise.
- Auaunaga: Fai lau meafaigaluega eletise e tautuaina e se tagata tomai fa'alelei e fa'aaoga na'o vaega sui tutusa. O lenei mea o le a faʻamautinoa ai o loʻo tausia le saogalemu o le meafaigaluega eletise.
O mea o lo'o i totonu
A e tatala lau afifi, fa'amolemole ia mautinoa o lo'o iai mea uma o lo'o lisiina atu i lalo ma o lo'o iai i se tulaga lelei:
- Bosch GBH 3-28 E Rotary Hammer Drill
- Uu Ausilali
- Taofi Taofi
- Tulaga Felauaiga
- Tusi Lesona a le Tagata (lenei pepa)
Seti
Before operating the rotary hammer drill, follow these steps for proper setup:
1. Attaching the Auxiliary Handle:
- Tatala le au ausilali e ala i le liliu faafeagai i le itu taumatau.
- Fa'ase'e le 'au i luga o le kola o le meafaigaluega i le tulaga e mana'omia.
- Tighten the handle by turning it clockwise until secure. Ensure it is firmly fixed for safe operation.
2. Inserting the Depth Stop:
- Fa'aofi le fa'amau loloto i totonu o le pu ua fa'atonuina i luga o le au fesoasoani.
- Adjust the depth stop to the required drilling depth.
- Fa'amau le taofi loloto e ala i le fa'amauina o le 'au fesoasoani.
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.
Fa'atonuga o Galuega
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): Mo le viliina o sima, masonry, ma maa.
- Chiseling (Hammer Action only): For light chiseling work, such as removing tiles or breaking small sections of concrete.
Fa'aaliga: Always switch modes only when the tool is switched off to prevent damage to the gearbox.
2. Kiina/Tape:
- To switch on, press the On/Off switch.
- To switch off, release the On/Off switch.
- Mo le fa'agaioiga fa'aauau, oomi le ki o le On/Off ona oomi lea o le faamau loka. Ina ia tape, toe oomi le ki o le 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:
- viliina: 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.
- Tu'u: Hold the tool firmly with both hands. Guide the chisel along the desired line.
- Puipuiga ovata: 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.
Tausiga
Regular maintenance ensures the longevity and optimal performance of your Bosch GBH 3-28 E rotary hammer drill.
1. Fa'amamaina:
- Always disconnect the plug from the power outlet before any cleaning or maintenance work.
- Tausia ia mama avanoa e fa'afefe ai le ea e puipuia ai le so'ona vevela.
- Clean the tool holder regularly. Remove dust and debris.
- Solo le fale meafaigaluega i se mea vaivai, oamp ie. Aua ne'i fa'aogaina ni vaila'au fa'amama po'o so'o.
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. Teuina:
Store the tool in a dry, secure place, out of reach of children. Use the transport case for protection.
Fa'afitauli
This section addresses common issues you might encounter with your Bosch GBH 3-28 E rotary hammer drill.
| Fa'afitauli | Mafuaaga e ono tupu | Fofo |
|---|---|---|
| E le amataina le meafaigaluega. | Leai se eletise; fa'aletonu ki; pulumu kaponi masaesae. | 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. |
| Tele tetete po'o le pisapisao. | Loose auxiliary handle; damaged accessory; internal fault. | Tighten auxiliary handle. Inspect and replace damaged accessories. Contact service center. |
| Ova le vevela o meafaigaluega. | Blocked ventilation slots; continuous heavy load; worn motor components. | Clean ventilation slots. Allow tool to cool down. Avoid prolonged heavy use. Contact service center. |
Fa'amatalaga
Detailed technical specifications for the Bosch GBH 3-28 E Rotary Hammer Drill:
- Fa'ailoga: Bosch
- Numera Fa'ata'ita'i: GBH 3-28 E
- Numera o Vaega o Faumea: 611239703
- Punavai Malosi: Uaea Eletise
- Voltage: 230 Volts
- Malosi maualuga: 800 Watts
- Leai se uta Saosaoa: 900 RPM
- Oloa mamafa: 3.5 kilokalama
- Mea: Uamea
- Lanu: Lanu uliuli
- Mea Fa'apitoa: Transmission, Long lifespan, Robust design
- Ituaiga vili: Rotary Hammer Drill
- Uu meafaigaluega: SDS-faaopoopo
- Global Trade Item Number (GTIN): 03165140220255
Fa'amaonia ma Lagolago
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 Ofisa Webnofoaga: www.bosch-professional.com
