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DeWalt DWE4020 User Manual

DeWalt DWE4020
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DWE4020
Esmeriladora Angular de 4-1/2" (115 mm)
Esmerilhadeira Angular de 4-1/2" (115 mm)
4-1/2" (115 mm) Angle Grinder
MANUAL DE INSTRUCCIONES
MANUAL DE INSTRUÇÕES
INSTRUCTION MANUAL
INSTRUÇÕES DE OPERAÇÃO, CENTRO DE SERVIÇOS E CERTIFICADO
DE GARANTIA. ADVERTÊNCIA: LEIA ESTAS INSTRUÇÕES ANTES DE
UTILIZAR O PRODUTO.
¿Dudas? Visítenos en Internet: www.dewalt.com
Dúvidas? Visite-nos na Internet em www.dewalt.com.br
Questions? See us on the World Wide Web at www.dewalt.com
INSTRUCTIVO DE OPERACIÓN, CENTROS DE SERVICIO Y PÓLIZA DE
GARANTÍA. ADVERTENCIA: LÉASE ESTE INSTRUCTIVO ANTES DE USAR EL
PRODUCTO.
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DeWalt DWE4020 Specifications

General IconGeneral
Spindle LockYes
Spindle Thread5/8"-11
Wheel Diameter4-1/2"
Switch TypePaddle
Voltage120V
Amperage7.0 Amps
No Load RPM12, 000 RPM

Summary

Safety Definitions and General Warnings

Safety Signal Word Definitions

Explains DANGER, WARNING, CAUTION, NOTICE symbols for hazard levels.

General Power Tool Safety Warnings

Read all warnings, save instructions, understand "power tool" definition.

Safety Guidelines by Area and Personal Safety

Work Area Safety

Keep area clean, prevent unintentional starting, dress properly, use dust extraction.

Electrical Safety

Covers plug matching, avoiding grounded surfaces, wet conditions, cord safety, RCD use.

Personal Safety Measures

Stay alert, use PPE, and avoid operating under impairment.

Power Tool Use, Care, and Maintenance

Power Tool Use and Care

Do not force tool, use correct tool, check switch, disconnect before adjustments, store properly.

Tool Maintenance and Service

Keep tools sharp, use accessories as instructed, have tool serviced by qualified personnel.

Specific Operation Safety Rules

General Operation Safety

Tool is for intended operations (grinding, sanding, etc.). Follow all instructions.

Accessory Compatibility

Use only manufacturer-recommended accessories for safe operation.

Specific Safety Warnings for Grinding Operations

Grinding Guarding and Wheel Selection

Use correct guards and wheels, ensure guard is securely attached and positioned.

Proper Grinding Wheel Usage

Use wheels for recommended applications, use correct flanges, avoid worn wheels.

Additional Safety Warnings for Abrasive Cutting-Off

Abrasive Cutting-Off Operation Safety

Avoid jamming wheels, excessive pressure, and deep cuts to prevent breakage.

Kickback Prevention and Safety for Other Operations

Understanding and Preventing Kickback

Explains kickback causes and operator prevention methods like firm grip and body positioning.

Safety for Sanding and Polishing Operations

Guidelines for sanding discs, flap discs, and polishing bonnets.

Safety for Wire Brushing Operations

Awareness of flying bristles and potential guard interference.

Extension Cord Safety and Hazard Information

Extension Cord Wire Size Chart

Table showing correct wire size based on voltage, length, and amperage.

Hazardous Dust and Chemical Exposure

Information on chemicals in dust and how to reduce exposure.

Tool Description and Intended Use

Description of Tool Components

Identifies key parts of the grinder with labels (A-G).

Intended Use of the Grinder

Specifies the grinder's designed applications and restrictions.

Assembly and Adjustments

Attaching the Side Handle

Instructions for fitting and securing the side handle to the gear case.

Rotating the Gear Case and Accessory Information

Rotating the Gear Case

Procedure for rotating the gear case for desired working position.

Choosing Correct Accessories

Importance of selecting compatible guards, backing pads, and flanges.

Grinding Wheels and Guard Mounting

4-1/2" (115 mm) Grinding Wheels

Illustrates and describes Type 27 guards, hubbed/depressed center wheels.

Mounting the Guard

Instructions for securely attaching and positioning the guard.

Wire Wheels, Cutting Wheels, and Operation

Wire Wheels

Illustrates Type 27 guards, cup brushes, and wire wheels.

4-1/2" (115 mm) Cutting Wheels

Illustrates Type 1 guards, backing flanges, and cutting wheels.

Mounting and Removing Guard

Step-by-step guide for attaching and detaching the guard.

Operation and Guarding Principles

General operation warning and importance of correct guards and flanges.

Sanding Discs, Flap Discs, and Switches

4-1/2" (115 mm) Sanding Flap Discs

Illustrates Type 27 guards, backing flange, hubbed/non-hubbed flap discs.

Sanding Discs

Illustrates backing pad, sanding disc, and clamp nut.

Accessory Speed Rating Warning

Accessories must match or exceed tool speed rating to prevent injury.

Slider Switch Operation

Instructions on operating the ON/OFF slider switch safely.

Spindle Lock and Wheel Mounting Procedures

Spindle Lock Function

Explains how to use the spindle lock button for installing/removing wheels.

Mounting Hubbed Wheels

Procedure for installing hubbed grinding wheels and sanding flap discs.

Mounting Non-Hubbed Wheels

Procedure for installing depressed center Type 27 grinding wheels.

Grinding and Surface Finishing Techniques

Surface Grinding Techniques

Proper technique for surface grinding, including tool angle and movement.

Edge Grinding Techniques

Guidelines for edge grinding, including guard positioning and avoiding side pressure.

Surface Finishing with Flap Discs

Technique for using sanding flap discs, including tool angle and movement.

Sanding Backing Pads and Wire Brush Mounting

Mounting Sanding Backing Pads

Instructions for attaching sanding backing pads and discs.

Using Sanding Backing Pads

Guidance on choosing sandpaper grits for different finishes.

Mounting Wire Brushes and Wheels

Procedure for installing wire cup brushes and wire wheels.

Wire Wheel Use and Cutting Wheel Guard Mounting

Using Wire Cup Brushes and Wire Wheels

Techniques for removing rust, scale, paint, and smoothing surfaces.

Mounting Closed (Type 1) Guard

Instructions for mounting the guard for cutting wheels.

Cutting Wheel Mounting and Operation

Mounting Cutting Wheels

Procedure for installing cutting wheels using appropriate flanges and nuts.

Using Cutting Wheels

Guidelines for operation, avoiding side pressure and changing cut angle.

Maintenance and Repairs

General Maintenance

Instructions for cleaning the tool and warnings about solvents.

Tool Repairs

Emphasizes using authorized service centers for safety and reliability.

Accessories, Environment, and Specifications

Accessory Recommendations

Warning against using non-DEWALT accessories; recommends authorized accessories.

Protecting the Environment

Guidance on proper disposal and recycling of the product.

Product Specifications

Lists voltage, frequency, power, and speed for the DWE4020-B3 model.

Import and Manufacturing Information

Imported By Information

Details of importers for Argentina, Mexico, Brazil, and Chile.

Manufacturing Location

Indicates the product is made in China.

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