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Panasonic EY7440-U1, Service Manual

The Panasonic EY7440-U1 is a top-of-the-line power drill designed for optimal performance and durability. Maximize the potential of this tool by accessing its comprehensive Service Manual, available for free download at manualshive.com. This manual offers valuable insights and guidance for maximizing the tool's capabilities.

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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. PTD0609U40CE

F16

Summary of Contents for EY7440-U1

Page 1: ...ONS 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 PTD0609U40CE F16 ...

Page 2: ...1 SCHEMATIC DIAGRAM 2 WIRING CONNECTION DIAGRAM 2 EY7440 U1 ...

Page 3: ...o open the chuck jaws 3 Use a screwdriver to turn the chuck fastening screw inside the chuck clockwise direction of the arrow and remove the screw See Fig 1 NOTE If the chuck fastening screw will not come loose insert the allen wrench into the chuck and lightly tap in the clockwise direction with a hammer to tighten the chuck and then loosen the chuck fastening screw See Fig 2 Insert the allen wre...

Page 4: ...l of the Housing Fig 4 1 Remove 8 housing screws Ref No 2B Procedure 2A 2B Removal of the Motor Fig 5 Removal 1 Take out the motor with the gear box block from housing 2 Separate the motor from the gear box block by twisting the motor to unlock tabs 4 EY7440 U1 ...

Page 5: ...rt from inserting 6 pins into the driving block as shown in the Fig 7 2 Assemble the other parts in reverse order as shown in the Fig 6 NOTE Carriers and Ring Gears have their own correct directions for proper reassembly 3 Insert 2 pieces of steel ball into each 6 holes of gear case 4 Set clutch plate and clutch spring NOTE Clutch plate has its own correct direction for proper reassembly Fig 6 Fig...

Page 6: ...gn the mark of adjusting screw with the projection A of driving block 4 Set the clutch handle with position 1 on top Aligh the position 1 of clutch handle with the projection A of driving block 5 Insert the clutch handle with adjusting the tabs of adjusting screw to the groove of inside clutch handle Fig 8 Ref No 2E Procedure 2A 2B 2C 2D 2E Attachment of the H L Change Handle 1 Insert the both sid...

Page 7: ...2B 2C 2D 2E 2F Attachment of the Switch 1 Insert the connectors into battery terminal and control PCB NOTE Do not connect and terminal wrongly Apply the grease FLOIL on the places where insert into the connectors 7 EY7440 U1 ...

Page 8: ...to the housing A NOTE Make sure that the lead wires are pressed fit firmly 3 Close the housing A and B with pushing the radiating plate on the direction of the arrow and tighten 8 housing screws NOTE Confirm to set the radiating plate properly If the radiating plate lean toward the motor brush side the housing B can not be closed 4 Place the H L change handle into the rail properly 5 Insert the be...

Page 9: ... Refer to WIRING CONNECTION DIAGRAM 4 TROUBLESHOOTING GUIDE 9 EY7440 U1 ...

Page 10: ...10 EY7440 U1 ...

Page 11: ...5 EXPLODED VIEW 11 EY7440 U1 ...

Page 12: ...G GEAR A 1 23 WEY7000L1127 CARRIER B 1 24 WEY7000L1467 RING GEAR B 1 25 WEY7000L1367 PLANET GEAR B B 3PCS PK 3 26 WEY7000L0887 THRUST PLATE 1 27 WEY7440L3967 MOTOR MOUNTING PLATE 1 28 WEY7440L1187 STATOR 1 29 WEY7440L1467 MOTOR ROTOR ASSEMBLY 1 30 WEY7440L2307 MOTOR BRUSH ASSEMBLY 1 31 WEY6802S6187 SCREW C B3 5 2 32 WEY7440L2007 SWITCH ASSEMBLY SH 1 33 WEY7540L2157 BATTERY TERMINAL BLOCK 1 34 WEY6...

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