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Panasonic EY7881 Service Manual
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Panasonic EY7881 Service Manual

Panasonic EY7881 Service Manual

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TABLE OF CONTENTS

1 Warning -------------------------------------------------------------- 2
2 Specifications ----------------------------------------------------- 2
3 Troubleshooting Guide ----------------------------------------- 3
Cordless Rotary Hammer
Model No.
Europe
PAGE
© Panasonic Corporation 2018. All rights reserved.
Unauthorized copying and distribution is a violation
of law.
ORDER NO. PTD1809E53CE
EY7881
PAGE

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Summary of Contents for Panasonic EY7881

  • Page 1: Table Of Contents

    2 Specifications ----------------------------------------------------- 2 3 Troubleshooting Guide ----------------------------------------- 3 4 Disassembly and Assembly Instructions ---------------- 6 5 Exploded View and Replacement Parts List -----------11 © Panasonic Corporation 2018. All rights reserved. Unauthorized copying and distribution is a violation of law.

  • Page 2: Warning

    1 Warning Caution: • Pb free solder has a higher melting point that standard solder; Typically the melting 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 soldering iron, please be careful not to heat too long.

  • Page 3: Troubleshooting Guide

    3 Troubleshooting Guide 3.1. Troubleshooting Guide...
  • Page 5 3.2. Trial Operation (after checking Troubleshooting Guide). 3.2.1. Hammer/Drill • Confirm the action when setting the H/D handle to HAMMER mode. Rotation with hammering may work when the drill bit touches something like concrete or hard type of wood block. And confirm the power.

  • Page 6: Disassembly And Assembly Instructions

    4 Disassembly and Assembly Instructions * To reduce the risk of injury, always remove battery pack before removing/attaching the tool. * To assemble the tool, start with 4.6. and proceed to 4.1. 4.1. How to remove the Chuck handle. 1. Loosen the support handle and take it out from the unit. 2.

  • Page 7: Gear Case B.

    4.3. How to remove the Driving block 1. Remove the delta PT screws, tight screws and felt. 2. Remove the Gear case B. 3. Remove the motor assembly, switch and module assembly from the gear case A. 4. Remove the crank shaft assembly and gear shaft assembly. Note: (when replacing the motor assembly’s bearing) Use a pulley removal tool to dismount the bearing.
  • Page 8 8. Remove the pins by using a magnet, and dismount the spindle, striker, striker stopper and O-ring. 4.4. Check the following when replacing the O-ring. • The O-ring should extend slightly from the edge face of the hammer/striker. • Make sure that the O-ring is not worn. •...

  • Page 9: Grease

    4.5. Apply grease...
  • Page 10 4.6. Wiring and Assembly Points.

  • Page 11: Exploded View And Replacement Parts List

    5 Exploded View and Replacement Parts List Model No. : EY7881 Exploded View...
  • Page 12 Model No. : EY7881 Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks EY7881 WEY6813K4627 AUXILIARY HANDLE WEY6813H3927 GRIP WEY6813K4637 SUPPORT HANDLE WEY6813H7727 DEPTH GAUGE WEY6813H3117 CHUCK COVER WEY6813K3127 CHUCK HANDLE WEY6813L0427 BALL GUIDE WEY6813L0437 CHUCK SPRING STRIKE PLATE...
  • Page 13 Model No. : EY7881 Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks WEY7881L3537 ANTI-VIBRATION SPRING WEY7881W0487 SPRING RECIEVER B WEY7881L2007 SWITCH WEY75A8W3127 CONNECTOR COVER 6P WEY7881L2887 LED HARNESS WEY75A8W3117 CONNECTOR COVER 2P WEY7881L1007 MOTOR ASSEMBLY...