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Bosch PROFESSIONAL GSB 20-2 RE User Manual

Bosch PROFESSIONAL GSB 20-2 RE
14 pages
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Robert Bosch GmbH
Power Tools Division
70745 Leinfelden-Echterdingen
www.bosch-pt.com
1 609 929 M38 (2007.09) O / 138
GSB Professional
20-2 | 20-2 RE | 20-2 RCE | 20-2 RET
de Originalbetriebsanleitung
en Original instructions
fr Notice originale
es Manual original
pt Manual original
it Istruzioni originali
nl Oorspronkelijke
gebruiksaanwijzing
da Original brugsanvisning
sv Bruksanvisning i original
no Original driftsinstruks
fi Alkuperäiset ohjeet
el Πρωτότυπο οδηγιών χρήσης
tr Orijinal işletme talimat
OBJ_DOKU-1880-002.fm Page 1 Monday, August 27, 2007 10:13 AM
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Bosch PROFESSIONAL GSB 20-2 RE Specifications

General IconGeneral
Drill typeHammer drill
Power sourceCorded
Chuck typeKeyless chuck
Power750 W
Power consumption750 W
Impact rate0 - 44800 bpm
Chuck capacity1.5 - 13 mm
Max. drilling diameter in concrete20 mm
Max. drilling diameter in steel13 mm
Drilling diameter in masonry20 mm

Summary

General Power Tool Safety Warnings

Work Area Safety

Ensuring a clean, well-lit, and distraction-free work area to prevent accidents and injuries.

Electrical Safety

Guidelines for safe use of power tools regarding plugs, cords, and avoiding contact with grounded surfaces.

Personal Safety

Advice on staying alert, using PPE, preventing unintentional starts, and proper attire for safe tool operation.

Machine-Specific Safety Warnings

Hearing Protection

Recommendation to wear hearing protection when using impact drills due to noise levels.

Auxiliary Handle Usage

Importance of using the supplied auxiliary handle for better control and preventing injury.

Tool Jamming Precautions

How to react when the tool insert jams, emphasizing immediate switch-off and preparation for reaction torque.

Functional Description and Features

Intended Use

Details the machine's purpose for impact drilling, standard drilling, and screwdriving applications.

Product Features Overview

Lists and references the key components and parts of the power tool as shown in illustrations.

Technical Data

Noise and Vibration Information

Assembly and Tool Changing

Auxiliary Handle Adjustment

Instructions for positioning the auxiliary handle for a secure and comfortable working posture.

Keyless Chuck Operation

Guide on how to insert and tighten tools using the keyless chuck mechanism.

Key Type Drill Chuck Use

Steps for inserting and securing tools using the key type drill chuck and chuck key.

Operation and Controls

Starting and Switching Off

Procedures for starting, stopping, and locking the power tool's On/Off switch.

Rotational Direction Control

How to reverse the tool's rotation direction using the dedicated switch.

Operating Mode Selection

Instructions for selecting between drilling and impact drilling modes using the selector switch.

Speed and Torque Adjustment

Variable Speed Control

How to adjust speed/impact rate by varying pressure on the On/Off switch.

Electronic Speed Preselection

Using thumbwheels to preselect speed/impact frequency for different materials and conditions.

Electronic Torque Limitation

Setting torque limits for screwdriving to prevent overtightening and protect the machine.

Maintenance and Service Information

Maintenance and Cleaning

Guidelines for keeping the machine clean and ensuring proper ventilation for safe operation.

After-Sales Service

Information on contacting customer support for repairs, spare parts, and product inquiries.

Disposal Guidelines

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