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Hitachi DH 24PG User Manual

Hitachi DH 24PG
38 pages
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LIST Nos.
DH 24PG: F420
DH 26PB: F417
DH 28PBY: F414
May 2013
PRODUCT NAME
Hitachi Rotary Hammer
Models DH 24PG
DH 26PB
DH 28PBY
D
DH 28PBY
Sales Division
REPAIR GUIDE
---------------------------------------------------------------------------------------------------------------- 1
1. Precautions on disassembly and reassembly ----------------------------------------------------------- 1
STANDARD REPAIR TIME (UNIT) SCHEDULES ------------------------------------------------------------------ 19
CONTENTS
Page

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Hitachi DH 24PG Specifications

General IconGeneral
BrandHitachi
ModelDH 24PG
CategoryRotary Hammer
LanguageEnglish

Summary

REPAIR GUIDE - Disassembly Procedures

Precautions on Disassembly and Reassembly

Safety and general advice before starting repair procedures.

Disassembling the Tool Retainer Assembly

Detailed procedure for removing the tool retainer assembly.

Removing the Change Lever

Instructions for disengaging and removing the change lever mechanism.

Disassembling the Hammering Mechanism

Steps to take apart the hammering mechanism components.

Disassembling the Cylinder Assembly

Procedures for dismantling the cylinder and its components.

REPAIR GUIDE - Reassembly Procedures

Reassembling the Cylinder Assembly

Steps to correctly reassemble the cylinder assembly.

Press-fitting the First Gear

Procedure for press-fitting the first gear onto the shaft.

Mounting the Oil Seals

Guidance on correctly installing oil seals during reassembly.

Reassembling the Internal Pressure Adjusting Mechanism

Steps for putting together the internal pressure adjusting system.

Reassembling the Low Vibrations Mechanism (DH 28PBY)

Instructions for reassembling the low vibration system.

Mounting the Piston

Detailed steps for installing the piston into the tool.

Reassembling the Gear Cover Assembly

Guide for putting the gear cover assembly back together.

Mounting the Change Lever

Instructions for installing the change lever mechanism correctly.

Operation Check

Procedures to verify proper function after reassembly.

Lubrication Points and Types of Lubricant

Standard Repair Time Schedules

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