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Hitachi DH 24PB2 User Manual

Hitachi DH 24PB2
39 pages
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TECHNICAL DATA
AND
SERVICE MANUAL
ROTARY HAMMER
DH 24PB2
SPECIFICATIONS AND PARTS ARE SUBJECT TO CHANGE FOR IMPROVEMENT
LIST No. E474 Apr. 2004
D
MODEL
DH 24PB2
Hitachi
Power Tools

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Hitachi DH 24PB2 Specifications

General IconGeneral
Drilling Capacity in Concrete24 mm
Drilling Capacity in Steel13 mm
Drilling Capacity in Wood30 mm
Chuck TypeSDS-plus
Tool HolderSDS-plus
No Load Speed0-1100 rpm
Sound Power Level100 dB
Sound Pressure Level89 dB

Summary

Marketing Objective

Key Features

Details the main advantages and design aspects of the Model DH 24PB2.

Applications

Drilling Operations

Covers uses for hammering and rotation-only drilling in various materials.

Typical Use Cases

Lists common applications like air conditioning and electrical work.

Selling Points

Key Performance Features

Covers drilling speed, grease resistance, and compact body.

Ergonomic & Control Features

Details non-slip handle and push-button switch.

Tool Retainer

Explains the easy bit mounting without sliding the grip.

Specifications

Technical Specifications

Comprehensive table detailing model, capacity, power, speed, weight, and accessories.

Optional Accessories

Anchor Hole Drilling

Lists drill bits and adapters for anchor hole drilling.

Anchor Setting

Details bars and adapters for anchor setting operations.

Large Hole Boring

Includes center pins, core bits, and guide plates for large holes.

Crushing & Bolt Placing

Covers bull points and chemical anchor adapters.

Optional Accessories

Anchor Setting Adapters

Details various anchor setting bars and adapters.

Core Bits and Guide Plates

Lists core bits and guide plates for boring large holes.

Optional Accessories

Crushing and Bolt Placing Tools

Lists bull points and chemical anchor adapters.

Drill Chucks and Adapters

Covers chucks, adapters, and bits for drilling/driving screws.

Steel and Wood Drilling Accessories

Lists chucks and adapters for drilling in steel and wood.

Optional Accessories

Drill Chucks for Steel/Wood

Details chucks and adapters for drilling in steel and wood.

Screw Driving Bits

Lists Phillips and slotted bits for driving screws.

Optional Accessories

Grease and Dust Collector

Details grease types and dust collector assembly.

Comparisons with Similar Products

Specification Comparisons

Detailed comparison of technical specs with competitor models.

Comparisons with Similar Products

Drilling Speed Comparison

Graph illustrating drilling speed performance against competitors.

Precautions in Sales Promotion

Handling Instructions

Emphasizes understanding safe and efficient tool usage.

Caution Plate Information

Highlights the importance of understanding safety warnings on the tool.

Reference Material

Lubrication Details

Explains grease application for striking section and clutch groove.

Tool Structure Overview

Describes the internal mechanisms and design.

Reference Material

Piston Reciprocating Mechanism

Details how the piston moves via a reciprocating bearing.

Reference Material

Hammering Function

Explains how the piston strikes the striker using air pressure.

Idle Hammering Prevention

Describes the mechanism to prevent operation without load.

Reference Material

Slip Mechanism & Dustproof Construction

Explains gear protection and sealed design.

Speed Control & SDS-Plus Bits

Covers variable speed trigger and SDS-plus bit compatibility.

Changeover Mechanisms

Rotation and Hammering Changeover

Explains the function of the change lever.

Rotation Only Operation

Details how to set for drilling or driving screws without hammering.

Drill Bit Information

SDS-Plus Shank Bits

Describes SDS-plus shank bits and torque transmission.

Drill Bit Regrinding

Shows recommended angles for regrinding drill bits.

Chuck and Dust Collection

Chuck Section Structure

Explains the retainer, ball, and key rails for bit mounting.

Dust Collector (B) Usage

Details mounting and use of the dust collector for concrete drilling.

Chuck and Dust Collection

Dust Collector (B) Structure

Illustrates the components of the dust collector assembly.

Disassembly and Reassembly

Striking Mechanism Disassembly

Step-by-step guide to disassembling the striking mechanism section.

Disassembly and Reassembly

Tool Retainer Disassembly

Details steps for removing the tool retainer components.

Cylinder and Second Gear Disassembly

Explains removal of cylinder and second gear parts.

Cylinder and Second Hammer Disassembly

Outlines the process for disassembling the cylinder and second hammer.

Disassembly and Reassembly

Reassembly Lubrication

Specifies grease application for various parts during reassembly.

Change Lever Mounting

Details how to mount and position the change lever.

Disassembly and Reassembly

Gear, Seal, and Piston Assembly

Covers press-fitting gear, reassembling seal, and mounting piston.

Tightening Torque Specifications

Lists torque values for specific screws.

Wiring and Electrical

Wiring Diagrams

Shows electrical connections with and without noise suppressors.

Wiring and Electrical

Internal Wire Arrangement

Illustrates wire routing for models with noise suppressors.

Wiring and Electrical

Internal Wire Arrangement (No Suppressor)

Illustrates wire routing for models without noise suppressors.

Wiring and Electrical

Switch Wiring and Tests

Covers reversing, speed control wiring, and insulation tests.

No-load Current Values

Lists acceptable no-load current values at different voltages.

Standard Repair Time

Repair Time Schedules

Provides time estimates for various assembly and disassembly steps.

Parts List Diagram

Exploded View

Visual representation of all parts with numerical labels.

Parts List Details

Component Identification

Lists parts with codes, descriptions, and quantities used.

Parts List Details

Component Details

Continues the list of parts with codes and descriptions.

Parts List Details

Fasteners and Covers

Lists screws, clips, and handle covers.

Accessories

Standard Accessories

Lists included accessories like case, side handle, and depth gauge.

Optional Accessories List

Begins listing optional items like grease, dust collectors, and chucks.

Accessories

Optional Accessories Catalog

Continues listing optional accessories like anchor setting adapters and core bits.

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