መግቢያ
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.
ቁልፍ ባህሪዎች
- 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.
የደህንነት መመሪያዎች
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.
አጠቃላይ የኃይል መሣሪያ ደህንነት ማስጠንቀቂያዎች፡-
- የሥራ አካባቢ ደህንነት; የስራ ቦታዎን ንፁህ እና በደንብ ያብሩት። የተዝረከረኩ ወይም ጨለማ ቦታዎች አደጋዎችን ይጋብዛሉ። እንደ ተቀጣጣይ ፈሳሾች፣ ጋዞች ወይም አቧራ ባሉ ፈንጂዎች ውስጥ የኃይል መሳሪያዎችን አይጠቀሙ።
- የኤሌክትሪክ ደህንነት; የኃይል መሣሪያ መሰኪያዎች ከውጪው ጋር መዛመድ አለባቸው። መሰኪያውን በምንም መልኩ አያስተካክሉት። ከመሬት (ከመሬት) የኃይል መሣሪያዎች ጋር ማንኛውንም የአዳፕተር መሰኪያዎች አይጠቀሙ። እንደ ቧንቧዎች፣ ራዲያተሮች፣ ሬንጅዎች እና ማቀዝቀዣዎች ካሉ ከመሬት ወይም ከመሬት ወለል ጋር የሰውነት ንክኪ ያስወግዱ።
- የግል ደህንነት; 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.
- የመሳሪያ አጠቃቀም እና እንክብካቤ; የኃይል መሣሪያውን አያስገድዱ. ለትግበራዎ ትክክለኛውን የኃይል መሣሪያ ይጠቀሙ። ማናቸውንም ማስተካከያዎችን ከማድረግዎ, መለዋወጫዎችን ከመቀየርዎ ወይም የኃይል መሳሪያዎችን ከማጠራቀምዎ በፊት ሶኬቱን ከኃይል ምንጭ ያላቅቁት እና/ወይም የባትሪውን ጥቅል ከኃይል መሳሪያው ያስወግዱት.
- አገልግሎት፡ ተመሳሳይ መለዋወጫ ክፍሎችን ብቻ በመጠቀም የኃይል መሣሪያዎን ብቃት ባለው የጥገና ሰው እንዲያገለግል ያድርጉ። ይህ የኃይል መሳሪያውን ደህንነት መጠበቅን ያረጋግጣል.
የጥቅል ይዘቶች
ማሸጊያውን ሲከፍቱ፣ እባክዎን ከዚህ በታች የተዘረዘሩት ሁሉም እቃዎች መኖራቸውን እና በጥሩ ሁኔታ ላይ መሆናቸውን ያረጋግጡ፡-
- Bosch GBH 3-28 E Rotary Hammer Drill
- ረዳት እጀታ
- ጥልቀት ማቆም
- የመጓጓዣ ጉዳይ
- የተጠቃሚ መመሪያ (ይህ ሰነድ)
ማዋቀር
Before operating the rotary hammer drill, follow these steps for proper setup:
1. የረዳት እጀታውን ማያያዝ፡
- ረዳት እጀታውን በተቃራኒ ሰዓት አቅጣጫ በማዞር ይፍቱት።
- 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.
- የጥልቀት ማቆሚያውን ወደ አስፈላጊው የመቆፈሪያ ጥልቀት ያስተካክሉት.
- 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.
የአሠራር መመሪያዎች
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.
- የመዶሻ ቁፋሮ (በመዶሻ እርምጃ ማሽከርከር): በሲሚንቶ, በግንበኝነት እና በድንጋይ ላይ ለመቆፈር.
- Chiseling (Hammer Action only): ለቀላል ቺዝሊንግ ሥራ፣ ለምሳሌ ንጣፎችን ማስወገድ ወይም ትንሽ የኮንክሪት ክፍሎችን መስበር።
ማስታወሻ፡- Always switch modes only when the tool is switched off to prevent damage to the gearbox.
2. ማብራት/ማጥፋት፡-
- 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:
- ቁፋሮ፡ 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.
- ቺዝሊንግ Hold the tool firmly with both hands. Guide the chisel along the desired line.
- ከመጠን በላይ መጫን ጥበቃ; 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.
ጥገና
Regular maintenance ensures the longevity and optimal performance of your Bosch GBH 3-28 E rotary hammer drill.
1. ማጽዳት፡-
- Always disconnect the plug from the power outlet before any cleaning or maintenance work.
- ከመጠን በላይ ሙቀትን ለመከላከል የአየር ማስገቢያ ክፍተቶችን በንጽህና ይያዙ.
- Clean the tool holder regularly. Remove dust and debris.
- የመሳሪያውን መያዣ ለስላሳ, መamp ጨርቅ. ኃይለኛ የጽዳት ወኪሎችን ወይም ፈሳሾችን አይጠቀሙ.
2. ቅባት፡
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. ማከማቻ፡
Store the tool in a dry, secure place, out of reach of children. Use the transport case for protection.
መላ መፈለግ
This section addresses common issues you might encounter with your Bosch GBH 3-28 E rotary hammer drill.
| ችግር | ሊሆን የሚችል ምክንያት | መፍትሄ |
|---|---|---|
| መሳሪያ አይጀምርም። | የኃይል አቅርቦት የለም፤ የተበላሸ ማብሪያ/ማጥፊያ፤ የተበላሹ የካርቦን ብሩሾች። | 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. |
| ከመጠን በላይ ንዝረት ወይም ድምጽ. | Loose auxiliary handle; damaged accessory; internal fault. | Tighten auxiliary handle. Inspect and replace damaged accessories. Contact service center. |
| መሣሪያ ከመጠን በላይ ይሞቃል። | Blocked ventilation slots; continuous heavy load; worn motor components. | Clean ventilation slots. Allow tool to cool down. Avoid prolonged heavy use. Contact service center. |
ዝርዝሮች
Detailed technical specifications for the Bosch GBH 3-28 E Rotary Hammer Drill:
- የምርት ስም፡ ቦሽ
- የሞዴል ቁጥር፡- GBH 3-28 ኢ
- የአምራች ክፍል ቁጥር፡- 611239703
- የኃይል ምንጭ፡- ባለገመድ ኤሌክትሪክ
- ጥራዝtage: 230 ቮልት
- ከፍተኛው ኃይል፡- 800 ዋት
- የማይጫን ፍጥነት; 900 ራፒኤም
- የምርት ክብደት: 3.5 ኪ
- ቁሳቁስ፡ ብረት
- ቀለም፡ ጥቁር
- ልዩ ባህሪያት፡ Transmission, Long lifespan, Robust design
- የመቆፈሪያ አይነት፡ Rotary Hammer Drill
- መሳሪያ ያዥ፡ SDS-ፕላስ
- Global Trade Item Number (GTIN): 03165140220255
ዋስትና እና ድጋፍ
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 ኦፊሴላዊ Webጣቢያ፡ www.bosch-professional.com