Panasonic EY74A1 Page 7 Service Manual Download | Manualshive

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7

4 Disassembly and Assembly Instructions

*Please assemble by opposite procedure.

4.1.

How to remove the keyless chuck

4.2.

How to remove the housing

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Summary of Contents for EY74A1

Page 1: ...violation of law Order Number PTD1208E02CE Drill Driver Model No EY74A1 Europe Oceania TABLE OF CONTENTS PAGE PAGE 1 Warning 2 2 Specifications 2 3 Troubleshooting Guide 3 4 Disassembly and Assembly Instructions 7 5 Wiring Connection Diagram 14 6 Schematic Diagram 14 7 Exploded View and Replacement Parts List 15 ...

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 3 1 Troubleshooting Guide Refer to Wiring Connection Diagram ...

Page 4: ...4 ...

Page 5: ...5 ...

Page 6: ...f the motor rotation become higher as the amount of depression of switch handle Check if the rotation speed is normal rated value High 1 750 min rpm at 18V 1 400 min rpm at 14 4V Low 600 min rpm at 18V 450 min rpm at 14 4V Confirm the action when setting the drill mode Confirm if the rotation stops immediately when releasing the switch handle Confirm if the chuck jaws move smoothly and hold the bi...

Page 7: ...7 4 Disassembly and Assembly Instructions Please assemble by opposite procedure 4 1 How to remove the keyless chuck 4 2 How to remove the housing ...

Page 8: ...8 4 3 How to remove the lead wires from the motor brush assembly and the control PCB 4 4 How to remove the switch assembly ...

Page 9: ...9 4 5 How to remove the driving block 4 6 How to remove the motor carbon brush assembly ...

Page 10: ...10 4 7 How to remove the driving block and the motor assembly 4 8 How to remove the control PCB ...

Page 11: ...11 4 9 How to remove the clutch handle click spring A and H L change handle 4 10 Disassembly and assembly for the driving block ...

Page 12: ...12 4 11 Assembly of the driving block and the clutch handle 4 12 Assembly of the H L change handle ...

Page 13: ...13 4 13 Caution for assembly ...

Page 14: ...14 5 Wiring Connection Diagram 6 Schematic Diagram ...

Page 15: ...Model No EY74A1 Exploded View 15 SORGHG 9LHZ DQG 5HSODFHPHQW 3DUWV LVW ...

Page 16: ...NGE HANDLE 1 7 WEY74A1L1008 MOTOR ASSEMBLY 1 8 WEY7441L2007 SWITCH ASSEMBLY 1 9 WEY7441L6028 SCREW 2 10 WEY74A1L2118 MAIN PCB ASSEMBLY 1 11 WEY7460K3958 OPERATION PLATE 1 12 WEY74A1L0178 CLICK SPRING A 1 13 WEY6230K9216 TORX TAPPING SCREW 8 14 WEY7547H3247 F R SELECTOR HANDLE 1 15 WET7441L6487 NUT 1 M4 16 WEY7441K6217 SCREW 1 4 14 17 WEY7543K3187 PLATE HOOK 1 WEY74A1K7018 TOOL CASE 1 only for Euro...

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