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Bosch GBH18V-20N User Manual

Bosch GBH18V-20N
40 pages
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Operating/Safety Instructions
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GBH18V-20
2610048709.qxp_GBH18V-20 10/3/17 8:44 AM Page 1
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Bosch GBH18V-20N Specifications

General IconGeneral
BrandBosch
ModelGBH18V-20N
CategoryRotary Hammer
LanguageEnglish

Summary

Safety Symbols

Safety Alert Symbol

Explains the general safety alert symbol used to warn of potential personal injury hazards.

Hazard Level Definitions

Defines signal words like DANGER, WARNING, and CAUTION indicating severity of hazards.

General Power Tool Safety Warnings

Work Area and Personal Safety

Covers keeping the work area clean, avoiding explosive atmospheres, and personal alertness.

Electrical Safety Precautions

Details on plug compatibility, grounding, wet conditions, cord safety, and GFCI use.

Tool Handling and Usage

Safe Handling Practices

Emphasizes using PPE, preventing unintentional starts, maintaining balance, and proper attire.

Operational Guidelines

Covers not forcing the tool, checking the switch, and disconnecting before adjustments.

Battery Tool Use and Care

Battery Management and Safety

Guidelines for charging, using specific battery packs, and handling potential battery leaks.

Tool Service and Maintenance

Professional Servicing

Recommends servicing by qualified personnel using identical replacement parts for safety.

Cordless Hammer Drills Safety Warnings

Hearing and Auxiliary Handle Safety

Advises wearing ear protection and using auxiliary handles for better control.

Workpiece Securing and Bit Installation

Covers securing the workpiece, avoiding hidden wiring, and proper bit insertion depth.

Tool Operation and Accessory Safety

Guidance on avoiding entanglement, using sharp bits, and removing hot accessories.

Additional Safety Warnings

Electrical and Handling Precautions

Warns against using AC-rated tools with DC power and keeping handles clean and dry.

Health Hazards from Dust Exposure

Details chemicals in dust from construction activities and methods to reduce exposure.

Symbols

Electrical and Measurement Symbols

Explains symbols for Volts, Amperes, Hertz, Watts, Kilograms, time, diameter, and speed.

Operational and Construction Symbols

Defines symbols for tool settings, direction, AC/DC current, and construction types.

Symbols (Continued)

Battery Recycling and Alert Symbols

Explains symbols for Li-ion/Ni-Cad battery recycling and alerts to read manual or wear eye protection.

Certification and Compliance Symbols

Defines symbols for UL, CSA, ETL, and NOM certifications indicating safety standards compliance.

Functional Description and Specifications

Tool Components Identification

Diagram labeling key parts of the cordless hammer drill for user familiarization.

Product Specifications

Lists model number, voltage, shank style, and maximum capacities for different materials.

Assembly

Installing SDS-plus Accessories

Step-by-step guide for inserting and locking SDS-plus accessories into the chuck.

Removing SDS-plus Accessories

Procedure for safely removing SDS-plus accessories, noting they may be hot.

Installing 3-Jaw Chuck

Instructions for attaching the optional 3-jaw chuck to convert for straight shank bits.

Accessory Installation and Adjustments

3-Jaw Chuck Operation

Details on inserting bits, tightening the chuck, and its use in 'Drill only' mode.

Auxiliary Handle Adjustment

Guide to repositioning and securing the auxiliary handle for ergonomic use.

Depth Gauge Setup

Instructions for setting and adjusting the depth gauge for precise drilling depth.

Operating Instructions

Variable Speed Trigger Switch

Explanation of how to use the variable speed trigger for ON/OFF and speed control.

Forward/Reversing Lever and Trigger Lock

Details on changing rotation direction and locking the trigger to prevent accidental starts.

Mode Selector Dial

Guide to selecting drilling, hammer drilling, or Vario-lock modes for different applications.

Advanced Operation and Tool Tips

Vario-Lock Mode Usage

Instructions for using Vario-Lock for specific chipping bit positions and locking.

Slip Clutch Function

Explanation of the internal slip clutch that stops rotation if the accessory binds.

Battery Pack Insertion and Removal

Step-by-step instructions for inserting and releasing the battery pack.

Tool and Bit Usage Tips

Advice on reducing wear, using sharp bits, proper pressure, and cleaning bit shanks.

Drilling Techniques and Maintenance

Drilling Wood, Plastic, and Metal

Techniques for drilling various materials, including pressure, lubrication, and hole enlargement.

Drilling Masonry

Guidance on using carbide-tipped bits for masonry and adjusting pressure based on material hardness.

Dust Extraction Systems

Reference to operating instructions for dust collection systems and attachments.

Cleaning and Lubrication

Advice on cleaning the tool with compressed air and notes on tool lubrication.

Battery Alerts and Accessories

Battery Pack Replacement

Indicators for battery end-of-life and the importance of replacing them promptly.

Available Accessories

List of standard and optional accessories for the tool, including chucks and depth gauges.

Limited Warranty

US and Canada Warranty Terms

Details the one-year limited warranty for portable and benchtop power tools in US and Canada.

Warranty Exclusions and Limitations

Specifies items not covered, duration of implied warranties, and limitations on damages.

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