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Cordless Drill & Driver / Cordless Hammer Drill & Driver
TABLE OF CONTENTS
1 Warning -------------------------------------------------------------- 2
2 Specifications ----------------------------------------------------- 2
3 Troubleshooting Guide ----------------------------------------- 3
4 Disassembly and Assembly Instructions ---------------- 7
5 Wiring Connection Diagram ---------------------------------15
6 Schematic Diagram ---------------------------------------------15
7 Exploded View and Replacement Parts List -----------16
Model No.
Model No.
Europe and Oceania
PAGE
© Panasonic Electric Works Co., Ltd. 2010.
All rights reserved. Unauthorized copying and distri-
bution is a violation of law.
Order Number PTD1007X51CE
EY7441
(Cordless Drill & Driver)
EY7940
(Cordless Hammer Drill
& Driver)
PAGE
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Summary of Contents for Panasonic 7441LF
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Page 1: Table Of Contents
4 Disassembly and Assembly Instructions ---------------- 7 5 Wiring Connection Diagram ---------------------------------15 6 Schematic Diagram ---------------------------------------------15 7 Exploded View and Replacement Parts List -----------16 © Panasonic Electric Works Co., Ltd. 2010. All rights reserved. Unauthorized copying and distri- bution is a violation of law. -
Page 2: Warning
1 Warning Caution: • Pb free solder has a higher melting point that standard solder; Typicall 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 solder- ing iron, please be careful not to heat too long. -
Page 3: Troubleshooting Guide
3 Troubleshooting Guide (Refer to Wiring Connection Diagram) - Page 6 3.1. Trial Operation (after checking Troubleshooting Guide.) 3.1.1. ASSEMBLY 1. Confirm if there is NO gap between Housing A and B by pinching the lead wires. 2. Confirm all screws are tightened firmly. 3. There should be no abnormal sound when shaking the unit. 4.
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Page 7: Disassembly And Assembly Instructions
4 Disassembly and Assembly Instructions 4.1. How to disassemble Plate hoot and Keyless chuck. Ref. No. 1A Procedure 1A Removal of Plate hook. (Removal) 1. Loosen a screw. 2. Take out the plate hook. Ref. No. 2A Procedure 2A Removal of the Housing. NOTE: When attaching or removing a bit, disconnect battery pack from tool. - Page 8 4.2. How to disassemble Main unit. Ref. No. 3A Procedure 3A Removal of the Housing. 1. Remove 8 housing screws. Procedure 3A → 3B Ref. No. 3B Removal of Motor screw. (Removal) 1. Remove 2 screws.
- Page 9 Procedure 3A → 3B → 3C Ref. No. 3C Removal of Switch and Driving block. (Removal) 1. Take out the switch assembly. 2. Take out the driving block. 3. Separate the motor from the gear box block by twisting the motor to unlock tabs.
- Page 10 Procedure 3A → 3B → 3C → 3D → 3E Ref. No. 3E Removal or attachment of the Gear Box Block. (Removal) 1. Turn the thrust plate to remove. 2. The internal parts of gear box block can be removed one after another.
- Page 11 Procedure 3A → 3B → 3C → 3D → 3E → 3F Ref. No. 3F Assembly of the Adjusting Screw and the Clutch Handle. for EY7441 1. Hold the driving block with the click spring on top, and align the narrow projection of adjusting screw with 45°...
- Page 12 Procedure 3A → 3B → 3C → 3D → 3E → 3F Ref. No. 3F Assembly of the Adjusting Screw and the Clutch Handle. for EY7940 1. Hold the driving block with the click spring on top, and align the mark of adjusting screw with the bottom of the clutch case.
- Page 13 Procedure 3A → 3B → 3C → 3D → 3E → 3F→ Ref. No. 3H Assemble of Driving block. 3G → 3H...
- Page 14 Procedure 3A → 3B → 3C → 3D → 3E → 3F→ Ref. No. 3H Assemble of Driving block. 3G → 3H...
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Page 15: Wiring Connection Diagram
5 Wiring Connection Diagram 6 Schematic Diagram... -
Page 16: Exploded View And Replacement Parts List
7 Exploded View and Replacement Parts List Model No. : EY7441 Exploded View for EY7441... - Page 17 Model No. : EY7441 Parts List Ref. Safety Part No. Part Name & Description Q'ty Remarks EY7441 WEY7441K3079 HOUSING AB SET 1 (for EUROPE) WEY7441K3070 HOUSING AB SET 1 (for OCEANIA) WEY6450L6806 CHUCK FASTENING SCREW WEY7441K7917 KEYLESS CHUCK WEY7441H3227 CLUTCH HANDLE WEY7441L0637 ADJUSTING SCREW WEY7441L0177...
- Page 18 Model No. : EY7940 Exploded View for EY7940...
- Page 19 Model No. : EY7940 Parts List Ref. Safety Part No. Part Name & Description Q'ty Remarks EY7940 WEY7940K3079 HOUSING AB SET 1 (for EUROPE) WEY7940K3070 HOUSING AB SET 1 (for OCEANIA) WEY6450L6806 CHUCK FASTENING SCREW WEY7441K7917 KEYLESS CHUCK WEY7940K3227 CLUTCH HANDLE WEYT107L0457 CLICK SPRING A WEY7460H3237...