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DeWalt DWE4157 User Manual

DeWalt DWE4157
216 pages
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DWE4056
DWE4057
DWE4120
DWE4156
DWE4157
Final Page size: A5 (148mm x 210mm)

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DeWalt DWE4157 Specifications

General IconGeneral
Spindle threadM14
Idle speed (max)11800 RPM
Sound power level101 dB
Sound pressure level90 dB
Grinding disc diameter125 mm
Vibration level (sanding)6.8 m/s²
Vibration level (grinding)11 m/s²
Vibration level uncertainty (grinding)1.5 m/s²
Input power900 W
Power sourceAC
Soft gripYes
Product colorBlack, Yellow
Sound pressure level uncertainty5 dB
Weight and Dimensions IconWeight and Dimensions
Height80 mm
Length270 mm
Weight2050 g

Summary

ANGLE GRINDERS

Technical Data

Provides detailed specifications for the angle grinder models.

Technical Data

Definitions: Safety Guidelines

General Power Tool Safety Warnings

Work Area Safety Precautions

Advises on maintaining a clean, well-lit work area and keeping bystanders away.

Electrical Safety Precautions

Details safety measures related to power sources, cords, and avoiding electrical hazards.

3) PERSONAL SAFETY

4) POWER TOOL USE AND CARE

ADDITIONAL SPECIFIC SAFETY RULES

Safety Instructions for All Operations

Presents foundational safety instructions applicable to all tool operations.

Safety Instructions for All Operations

General Grinding, Sanding, Brushing, Cutting Safety

Core safety rules for common grinding, sanding, and brushing tasks.

Specific Safety for Grinding & Cutting-Off

Causes and Operator Prevention of Kickback

Kickback Prevention Techniques

Details how to maintain grip, body position, and use auxiliary handles to resist kickback.

Grinding & Cutting-Off Wheel Safety

Guarding, Mounting, and Application Rules

Covers correct guard usage, wheel mounting, and application guidelines.

Additional Safety for Abrasive Cutting-Off

Cutting Technique and Workpiece Support

Details cutting methods, pressure, and supporting large workpieces.

Caution with Pocket Cuts

Advises on extra caution when making pocket cuts in walls.

Safety Warnings for Sanding Operations

Sanding Disc Size and Usage

Recommends using correctly sized sanding discs to prevent hazards.

Safety Warnings for Wire Brushing Operations

Additional Safety Rules for Grinders

Accessory Mounting and Compatibility

Reinforces rules for accessory mounting, threading, and arbor hole fitment.

Wheel Mounting and Guard Clearance

Covers correct wheel mounting and ensuring guard clearance.

Prohibited Accessory Types

Identifies accessory types that should not be used with the tool.

Always Use Side Handle Securely

Stresses the importance of securely using the side handle for control.

INTENDED USE

Product Applications and Safety

Covers approved tasks, prohibited conditions, and child safety guidelines.

Electrical Safety Information

ASSEMBLY AND ADJUSTMENTS

Safety Warning Before Assembly

Crucial safety reminder before performing any assembly or adjustments.

Attaching Side Handle

Accessories and Attachments

Accessory Mounting and Compatibility

Mounting Guards

Type 27 One-Touch Guard Mounting

Guard with Fixing Screw Mounting

Closed Type 1 Guard Mounting

Fitting and Removing Grinding/Cutting Discs

Mounting Wire Brushes and Wheels

Fitting Backing Pad/Sanding Sheet

Fitting Wire Cup Brush

Prior to Operation

Pre-Operation Checks and Safety

Covers installing guards, checking discs, and ensuring correct rotation.

Operating Instructions

General Operation Warnings and Tips

Includes warnings on securing workpieces, pressure, and overheating.

Proper Hand Position

Emphasizes correct hand placement for safe control and preventing injury.

Switch Operation

Details safe procedures for using the tool's switches.

Switch Operation

Slider Switch Usage

Explains how to use the slider switch for continuous and intermittent operation.

Paddle Switch Usage (DWE4120)

Describes the operation of the paddle switch on the DWE4120 model.

Spindle Lock Functionality

Spindle Lock Usage and Warning

Covers how to engage the spindle lock and warnings against misuse.

Cutting and Grinding Techniques

MAINTENANCE

General Maintenance and Safety

Covers general care, cleaning, and safety during maintenance.

Cleaning Procedures

Cleaning Warnings and Methods

Advises on safe cleaning methods and avoiding solvents.

GRINDING AND CUTTING ACCESSORY CHART

GRINDING AND CUTTING ACCESSORY CHART (cont.)

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