Panasonic EY7542 - CORDLESS IMPACT WRENCH Service Manual Download Page 1

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Order Number PTD0707U37CE

F16

Cordless Impact Driver

Model No.

EY7542

North America

TABLE OF CONTENTS

PAGE

1 Warning

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2 Specifications

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3 Troubleshooting Guide

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4 Disassembly and Assembly Instructions

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5 Wiring Connection Diagram

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6 Schematic Diagram

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7 Exploded View and Replacement Parts List

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Summary of Contents for EY7542 - CORDLESS IMPACT WRENCH

Page 1: ...law Order Number PTD0707U37CE F16 Cordless Impact Driver Model No EY7542 North America TABLE OF CONTENTS PAGE PAGE 1 Warning 2 2 Specifications 2 3 Troubleshooting Guide 3 4 Disassembly and Assembly Instructions 5 5 Wiring Connection Diagram 13 6 Schematic Diagram 13 7 Exploded View and Replacement Parts List 14 ...

Page 2: ...ng point is 50 70 F 30 40 C higher Please use a soldering iron with temperature control and adjust it to 750 20 F 400 10 C In case of using high temperature solder ing iron please be careful not to heat too long Pb free solder will tend to splash when heated too high about 1100 F 600 C 2 Specifications ...

Page 3: ...3 3 Troubleshooting Guide Refer to WIRING CONNECTION DIAGRAM ...

Page 4: ...4 ...

Page 5: ...ning it counterclockwise using a coin or a flat blade screwdriver 2 Take out the belt hook 3 Remove four screws where tightening fixing cover 4 Remove eight housing screws 5 Pull off the fixing cover assembly 6 Once removing the clutch handle the out put shaft may come out 7 Remove torque click spring and click spring 8 Then open the housing A and B ...

Page 6: ...d Gear hammer block 1 Unscrew to disconnect the lead wires between switch and motor 2 Take out the motor assembly with the gear box block from the housing 3 Separate the motor assembly from the gear box block 4 Take out the ring gear from the revolving stand ...

Page 7: ... sure not to lose the pin and the connect piece Ref No 1D Procedure 1A 1B 1C 1D Removal of Gear case assembly 1 Take out the mode change handle 2 Pull out 2 pins 2 5x33 6 3 After removing pins the internal parts of the gear case assembly can be removed one after another Thrust plate clutch gear planet gear 3pcs carrier thrust plate 4 Remove the adjusting screw clutch spring and clutch plate 5 Afte...

Page 8: ...6 holes 3 Assemble clutch plate and clutch spring 4 Align the widest protrusion of adjusting screw with the narrower protrusion of gear case 5 Turn the adjusting screw into the gear case assembly one rotation for clockwise direction 6 Set the mode change handle on the wider protrusion of gear case 7 Confirm proper position of the mode change handle that both ends of spring must be put into the gro...

Page 9: ...nfirm if the connect piece is inside of the driving shaft block 3 Insert the pin into the shaft of driving carrier holding the bottom of the gear box assembly by hand 4 Align the wider groove of revolving stand with the wider protrusion of gear case 5 Assemble the ring gear into the revolving stand and set it on the motor assembly 6 Place fit the hole of driving carrier and the pins of revolving s...

Page 10: ...e housing 2 Connect the switch assembly with motor lead wires 3 Set the motor lead wire black is on the upper side of switch assembly 4 Confirm to set the motor lead wire red under the black lead wire and confirm if there is no pinching with switch 5 Place the battery terminal lead wire black is over the wire red properly ...

Page 11: ...rce 4 Set the mode change handle to IMPACT drive mode 5 Tighten eight housing screws 6 Place the torque click spring and click spring properly 7 Apply the grease WEY6507X5537 all around the anvil and the bearing part of clutch handle 8 Confirm if O ring is attached with the clutch handle 9 Assemble the slider to the clutch handle Confirm it has its own direction 10 Place the anvil into the clutch ...

Page 12: ...12 Ref No 2E Procedure 2A 2B 2C 2D 2E Assembly of Fixing cover 1 Place the clutch handle with position 1 on top 2 Set the fixing cover with mark on top 3 Tighten four screws ...

Page 13: ...13 5 Wiring Connection Diagram 6 Schematic Diagram ...

Page 14: ...Model No EY7542 Exploded View 7 Exploded View and Replacement Parts List ...

Page 15: ... 19 WEY6631L6977 STEEL BALL 6 φ5 6PCS PK 20 WEY6481L0356 THRUST PIN SET 2 φ2 5 33 6 2PCS PK 21 WEY6631L1067 GEAR CASE 1 22 WEY6505L0927 THRUST PLATE 1 23 WEY6631L1397 CARRIER 1 24 WEY6505L1346 PLANET GEAR 3 3PCS PK 25 WEY6631L1357 CLUTCH GEAR 1 26 WEY6631L0907 THRUST PLATE 1 27 WEY6505L0917 SP PIN 1 28 WEY6507L1367 CARRIER 1 29 WEY6507L1457 RING GEAR 1 30 WEY7542L0027 MOTOR MOUNTING PLATE 1 31 WEY...

Page 16: ...arks 44 WEY7542H3247 F R SELECTOR HANDLE 1 45 WEY6631L0977 CLICK SPRING 1 46 WEY6505L0187 CLICK SPRING 1 47 WEY7542S3238 SELECT SWITCH COVER 1 48 WEY7542K3257 I D CHANGE HANDLE 1 49 WEY7542L1458 GEAR BOX BLOCK 1 WEY7440K7018 TOOL CASE 1 SH WEY7542K8108 OPERATING INSTRUCTIONS 1 SH ...

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