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DeWalt DCF850 User Manual

DeWalt DCF850
60 pages
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DCF850

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DeWalt DCF850 Specifications

General IconGeneral
Max Torque1, 825 in-lbs
Max Torque (Nm)206 Nm
LED LightYes
Anvil Type1/4" quick release hex shank
Power Tool TypeCordless
Motor TypeBrushless
Variable SpeedYes
Voltage20V
No Load Speed0-3250 RPM
Impacts per Minute0-3800 IPM
Weight2.1 lbs
Battery TypeLithium-Ion

Summary

Technical Data

Safety Guideline Definitions

Signal Word Definitions

Definitions of signal words (DANGER, WARNING, CAUTION, NOTICE) and associated symbols used in the manual.

General Power Tool Safety Warnings

Work Area Safety

Ensures safe operation by maintaining a clean and well-lit work area, avoiding explosive atmospheres, and keeping bystanders away.

Electrical Safety

Covers precautions like matching plugs, avoiding earthed surfaces, and protecting against water and damaged cords.

Personal Safety

Emphasizes staying alert, using PPE, preventing unintentional starts, and proper handling to avoid injury.

Power Tool Use and Care

Guidelines for using the correct tool, maintenance, proper storage, and safe operation practices.

Battery Tool Use and Care

Battery Pack Safety and Handling

Covers safe charging, usage with designated packs, storage, handling damaged packs, and temperature precautions.

Tool Service and Maintenance

Servicing and Repair Guidelines

Guidelines for professional servicing of the power tool and prohibiting service of damaged battery packs.

Specific Safety Rules

Impact Driver Safety and Residual Risks

Specific safety rules for impact drivers, including handling hidden wiring and residual risks.

Charger Safety and Operation

Charger Safety and Electrical Precautions

Covers charger safety warnings, electrical safety, and extension cable usage.

Charger Operation

Charge Indicators

Describes the meaning of different LED lights (Charging, Fully Charged, Hot/Cold Pack Delay) on the charger.

Hot/Cold Pack Delay

Explains the charger's function to delay charging for battery packs that are too hot or too cold.

Electronic Protection System

Wall Mounting

Battery Packs

Battery Pack Safety Instructions

Critical safety instructions for handling, charging, and storing battery packs to prevent injury or fire.

Battery Pack Transportation

Safety guidelines for transporting batteries, including fire hazards and regulatory compliance.

After Service and Repair

FLEXVOLTâ„¢ Battery Modes

Use and Transport Modes

Explains FLEXVOLTâ„¢ battery operation in Use and Transport modes, including voltage and shipping considerations.

Battery and Charger Information

Storage, Labels, Types, and Package Contents

Covers storage recommendations, labels, compatible battery types, and package contents for the tool.

Markings on Tool

Date Code Position

Description of Tool Components

Tool Component Identification

Identifies and describes the main components of the impact driver, including trigger, chuck, and handles.

Intended Use

Assembly and Adjustments

Battery Pack Installation and Removal

Step-by-step instructions for installing and removing the battery pack from the tool.

Fuel Gauge Battery Packs

Belt Hook and Magnetic Bit Holder

Tool Operation Controls

Hand Position, Trigger, Forward/Reverse, Modes, and Worklights

Describes proper hand position, variable speed trigger, forward/reverse control, mode selector, worklights, and Precision Drive.

Quick-Release Chuck

Usage and Fastening Torque

Fastening Torque and Operation

Details maximum torque, operational steps, and factors influencing fastening torque like battery voltage and socket size.

Maintenance

Lubrication

States that the power tool requires no additional lubrication.

Cleaning

Instructions for cleaning the tool, emphasizing dry air, approved eye protection, and avoiding solvents or liquids.

Optional Accessories

Protecting the Environment

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