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Panasonic EY74A2 Service Manual
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Panasonic EY74A2 Service Manual

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TABLE OF CONTENTS

1 Warning -------------------------------------------------------------- 2
2 Specifications ----------------------------------------------------- 2
3 Troubleshooting Guide ----------------------------------------- 3
5 Wiring Connection Diagram ---------------------------------13
6 Schematic Diagram ---------------------------------------------13
All manuals and user guides at all-guides.com
PAGE
Cordless Drill & Driver
EY74A2
Model No.
Europe
Oceania
© Panasonic Corporation 2015. All rights reserved.
Unauthorized copying and distribution is a violation
of law.
ORDER NO. PTD1507X58CE
PAGE

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Summary of Contents for Panasonic EY74A2

  • Page 1: Table Of Contents

    4 Disassembly and Assembly Instructions ---------------- 7 5 Wiring Connection Diagram ---------------------------------13 6 Schematic Diagram ---------------------------------------------13 7 Exploded View and Replacement Parts List -----------14 © Panasonic Corporation 2015. All rights reserved. Unauthorized copying and distribution is a violation of law.

  • Page 2: Warning

    All manuals and user guides at all-guides.com 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

    All manuals and user guides at all-guides.com 3 Troubleshooting Guide 3.1. Troubleshooting Guide...
  • Page 4 All manuals and user guides at all-guides.com...
  • Page 5 All manuals and user guides at all-guides.com...
  • Page 6 All manuals and user guides at all-guides.com 3.2. Trial Operation (after checking Troubleshooting Guide). 3.2.1. Assembly • Confirm if there is no gap between housing A, B and C by pinching lead wires. • There is no dust or deformation on battery terminals. 3.2.2.

  • Page 7: Disassembly And Assembly Instructions

    All manuals and user guides at all-guides.com 4 Disassembly and Assembly Instructions * To reduce the risk of injury, always remove battery pack before removing/installing the tool. * To assemble the tool, start with 4-9 and proceed to 4-1. 4.1. Removing the Plate Hook.
  • Page 8 All manuals and user guides at all-guides.com 4.3. Removing the Housing. 1. Remove nine screws. 2. Remove housing B. 3. Remove the F/R selector handle. 4. Remove the operation panel. 5. Remove the square nut. 4.4. Removing the Interior Components. 1.
  • Page 9 All manuals and user guides at all-guides.com 4.5. Removing the Switch Assembly, LED Assembly and Battery Terminal. 1. Remove the 2-pin connector. 2. Remove the 6-pin connector. 3. Pull the faston terminal directly out from the switch assembly. * Exercise care not to bend the ter- minal fitting.
  • Page 10 All manuals and user guides at all-guides.com 4.7. Removing the Gear Case Assembly. 1. Rotate the motor mounting plate to the left and remove it from the gear case. 2. Remove the thrust plate, planet gear B, ring gear B, carrier B, planet gear A, carrier A, and the ring gear A (in that order).
  • Page 11 All manuals and user guides at all-guides.com 4.8. Assembly of the Gear Case Assembly and the Clutch Handle. Align the gear case assembly's adjusting screw as shown in the figure. Position so that the [1] mark on the clutch handle is Aligned with the center of click spring A. 4.9.
  • Page 12 All manuals and user guides at all-guides.com 4.10. Wiring and Assembly Points.

  • Page 13: Wiring Connection Diagram

    All manuals and user guides at all-guides.com 5 Wiring Connection Diagram 6 Schematic Diagram...

  • Page 14: Exploded View And Replacement Parts List

    All manuals and user guides at all-guides.com Model No. : EY74A2 Exploded View...
  • Page 15 All manuals and user guides at all-guides.com Model No. : EY74A2 Parts List Ref. Change Safety Part No. Part Name & Description Q'ty Remarks WEY6450L6806 CHUCK FASTENING SCREW WEY74A2K7917 CHUCK WEY7441K9038 TAPPING SCREW (K3-20) WEY74A2K3079 HOUSING AB SET (For EUROPE)