Bosch GBH 3-28 E Rotary Hammer Drill User Manual

Ro-ràdh

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.

Prìomh fheartan:

• 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.

Stiùireadh sàbhailteachd

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.

Rabhadh Sàbhailteachd Inneal Cumhachd Coitcheann:

• Sàbhailteachd san raon obrach: Cùm an raon obrach agad glan agus le deagh shoillseachadh. Bidh àiteachan làn sgudail no dorcha a’ toirt cuireadh do thubaistean. Na cleachd innealan cumhachd ann an àile spreadhaidh, leithid nuair a bhios lionntan lasanta, gasaichean no duslach ann.
• Sàbhailteachd dealain: Feumaidh plugaichean innealan cumhachd a bhith a rèir an t-socaid. Na atharraich am pluga ann an dòigh sam bith. Na cleachd plugaichean atharrachaidh sam bith le innealan cumhachd le talamh. Seachain conaltradh bodhaig le uachdaran le talamh leithid pìoban, rèididheatoran, àmhainnean agus fridsichean.
• Sàbhailteachd Pearsanta: 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.
• Cleachdadh agus cùram innealan: Na cuir feachd air an inneal cumhachd. Cleachd an inneal cumhachd ceart airson an tagraidh agad. Dì-cheangail am pluga bhon stòr cumhachd agus/no thoir air falbh am pasgan bataraidh bhon inneal cumhachd mus dèan thu atharrachaidhean sam bith, mus atharraich thu goireasan, no mus stòraich thu innealan cumhachd.
• Seirbheis: Thoir seirbheis don inneal cumhachd agad le neach càraidh le teisteanas a’ cleachdadh dìreach pàirtean ùra co-ionann. Nì seo cinnteach gum bi sàbhailteachd an inneal cumhachd air a chumail suas.

Susbaint pacaid

Nuair a bhios tu a’ fosgladh a’ phacaid, dèan cinnteach gu bheil na nithean gu lèir a tha air an liostadh gu h-ìosal an làthair agus ann an deagh staid:

• Bosch GBH 3-28 E Rotary Hammer Drill
• Làimhseachadh cuideachail
• Doimhneachd stad
• Cùis còmhdhail
• Leabhar-làimhe cleachdaiche (an sgrìobhainn seo)

Suidhich

Before operating the rotary hammer drill, follow these steps for proper setup:

1. A’ ceangal an làmh-chuideachaidh:

1. Fuasgail an làmh cuideachail le bhith ga tionndadh tuathal.
2. Slide the handle over the collar of the tool to the desired position.
3. Tighten the handle by turning it clockwise until secure. Ensure it is firmly fixed for safe operation.

2. Inserting the Depth Stop:

1. Cuir an stad doimhneachd a-steach don toll ainmichte air an làmh chuideachail.
2. Adjust the depth stop to the required drilling depth.
3. Daingnich an stad doimhneachd le bhith a’ teannachadh an làmh chuideachail.

3. Inserting SDS-plus Drill Bits/Chisels:

1. Clean the shank of the drill bit or chisel and apply a thin layer of grease.
2. Insert the tool into the SDS-plus tool holder with a slight twisting motion until it locks.
3. Pull on the tool to check if it is securely locked. A slight axial play is normal and necessary for the hammer mechanism.

Stiùireadh Obrachaidh

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): Airson drileadh ann an concrait, clachaireachd agus cruadhtan.
• Chiseling (Hammer Action only): For light chiseling work, such as removing tiles or breaking small sections of concrete.

Thoir an aire: Always switch modes only when the tool is switched off to prevent damage to the gearbox.

2. A' tionndadh air/dheth:

• 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:

• Drileadh: 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.
• A' sgoltadh: Hold the tool firmly with both hands. Guide the chisel along the desired line.
• Dìon Overload: 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.

Cumail suas

Regular maintenance ensures the longevity and optimal performance of your Bosch GBH 3-28 E rotary hammer drill.

1. Glanadh:

• Always disconnect the plug from the power outlet before any cleaning or maintenance work.
• Cùm na sliotan fionnarachaidh glan gus casg a chur air cus teasachadh.
• Clean the tool holder regularly. Remove dust and debris.
• Sguab taigheadas an inneil le clò bog, tioramamp aodach. Na cleachd innealan glanaidh cruaidh no solventan.

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. Stòradh:

Store the tool in a dry, secure place, out of reach of children. Use the transport case for protection.

Fuasgladh thrioblaidean

This section addresses common issues you might encounter with your Bosch GBH 3-28 E rotary hammer drill.

Sònrachaidhean

Detailed technical specifications for the Bosch GBH 3-28 E Rotary Hammer Drill:

• Brand: Bosch
• Àireamh Modail: GBH 3-28 E
• Àireamh Pàirt Dèanadair: 611239703
• Stòr cumhachd: Electric Corded
• Voltage: 230 Volt
• Cumhachd as àirde: 800 watt
• Luas gun luchdachadh: 900 rpm
• Cuideam toraidh: 3.5 cileagram
• Stuth: Meatailt
• Dath: Dubh
• Feartan sònraichte: Transmission, Long lifespan, Robust design
• Drill Type: Drile Hammer Rotary
• Neach-gleidhidh inneal: SDS-plus
• Global Trade Item Number (GTIN): 03165140220255

Barantas agus Taic

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.

Oifigeil Bosch Weblàrach: www.bosch-professional.com