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Hitachi DH 40MR User Manual

Hitachi DH 40MR
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DH 40MR
Rotary Hammer
Handling instructions
Read through carefully and understand these instructions before use.
000Cover_DH40MR_ChS 12.5.23, 10:31Page 1 Adobe PageMaker 6.5J/PPC

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Hitachi DH 40MR Specifications

General IconGeneral
Drilling Capacity in Concrete40 mm
Drilling Capacity in Steel13 mm
Drilling Capacity in Wood32 mm
Vibration ControlYes
Cord Length2.5 m
Chuck TypeSDS Plus
Full Load Impact Rate4150 bpm
Power Consumption1100W

Summary

General Safety Rules

Work Area Safety

Ensure clean, well-lit workplace and keep unauthorized persons away.

Electrical Safety

Proper plug use, avoid grounding, keep away from rain/wet conditions, handle cords carefully.

Personal Safety

Stay alert, use safety equipment, avoid accidental starting, dress properly.

Power Tool Use and Care

Use correctly, maintain tools, store safely, and keep sharp.

Maintenance and Service

Ensure proper maintenance and service by qualified personnel.

Precautions on Using Rotary Hammer

Specifications

Standard Accessories

Optional Accessories

Through-Hole Drilling Accessories

Accessories for drilling holes through materials.

Anchor Hole Drilling Accessories

Accessories for drilling anchor holes.

Large Diameter Hole Boring Accessories

Accessories for boring large diameter holes.

Usage

How to Drill Holes

Step-by-step guide for drilling holes using the tool.

How to Chisel or Crush

Instructions for using the tool for chiseling or crushing.

Drilling with Rotation + Hammering

Procedure for drilling with combined rotation and hammering.

Chipping and Chiseling Operations

Switching to Hammering Mode

Steps to switch the tool to hammering mode.

Fixing Working Positions

Adjusting the tool's working direction and position.

Installing the Stopper

How to attach and secure the depth stopper.

Warming Up Procedure

Procedure for warming up the tool in cold regions.

Anchor Operations

Using Taper Shank Adapter for Anchors

Steps for drilling and driving anchors with a taper shank adapter.

Drill Chuck and Adapter Usage

Switching to Rotation + Hammering

Procedure for switching the tool mode.

Attaching Chuck Adapter to Drill Chuck

Steps to attach the chuck adapter to the drill chuck.

Drilling with Chuck and Adapter

Guidelines for drilling operations with accessories.

Core Bit Handling

Mounting Core Bit

Steps for mounting the core bit and related parts.

Drilling with Core Bit

Procedure for drilling holes using a core bit.

Dismounting the Core Bit

Steps to safely remove the core bit.

Grease Replacement

Grease Replacement Period

Recommended schedule for grease replacement.

Grease Replenishment

Procedure for adding new grease to the tool.

Maintenance and Inspection

Tool Inspection

Regular checks for tool condition and sharpness.

Inspecting Mounting Screws

Ensuring all mounting screws are properly tightened.

Motor Maintenance

Care for the motor unit winding to prevent damage.

Inspecting Carbon Brushes

Checking and replacing carbon brushes.

Replacing Carbon Brushes

Steps for replacing worn carbon brushes.

Replacing Supply Cord

Procedure for replacing the power supply cord.

Service Parts List

Applications

Drilling holes in concrete

Applications for drilling concrete.

Drilling anchor holes

Applications for drilling anchor holes.

Crushing, chipping, digging, and squaring

Applications using optional accessories for demolition and shaping.

Prior to Operation

Power source

Ensure power source conforms to tool requirements.

Power switch

Ensure power switch is OFF before plugging in.

Extension cord

Use appropriate extension cord of sufficient thickness and capacity.

How to install tool

Step-by-step guide for installing tools like bull points and chisels.

Service Center Information

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