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Panasonic EY7440-U1 - User Manual

Panasonic EY7440-U1
12 pages
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1 SCHEMATIC DIAGRAM 2
2 WIRING CONNECTION DIAGRAM
2
3 DISASSEMBLY/ASSEMBLY INSTRUCTIONS
3
© 2006 Matsushita Electric Works Ltd. All rights
reserved. Unauthorized copying and distribution is a
violation of law.
EY7440-U1
4 TROUBLESHOOTING GUIDE 9
5 EXPLODED VIEW
11
6 REPLACEMENT PARTS LIST
12
Cordless Drill & Driver
SPECIFICATIONS
CONTENTS
Page Page
ORDER NO. PTD0609 U40CE
F16

Table of Contents

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Panasonic EY7440-U1 Specifications

General IconGeneral
BrandPanasonic
ModelEY7440-U1
CategoryCordless driver drill
LanguageEnglish

Summary

Specifications

Disassembly and Assembly Instructions

Main Unit Disassembly

Gear Box Block Procedures

Assembly of Clutch and Handle

Switch and Wiring Attachment

Housing Attachment and Final Assembly

Troubleshooting Guide

Troubleshooting: No Operation

Diagnosing and resolving issues when the tool does not operate.

Troubleshooting: Switch Block

Checking continuity and diagnosing problems with the switch block.

Troubleshooting: Control PCB

Checking wear, deformation, and contact condition of the control PCB.

Troubleshooting: Motor and Speed Control

Troubleshooting: Motor Brushes

Checking carbon brush condition and continuity.

Troubleshooting: Motor Rotor and Stator

Diagnosing wear, cracks, or deformation in the motor rotor and stator.

Troubleshooting: Speed Control and Brake

Checking switch block for speed control and brake functionality.