Panasonic EY79A2 Service Manual Download Page 2

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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.

• Pb free solder will tend to splash when heated too high (about 1100°F / 600 °C).

2 Specifications

Summary of Contents for EY79A2

Page 1: ... ORDER NO PTD1511X06CE Cordless Hammer Drill Driver Model No EY79A2 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 13 6 Schematic Diagram 13 7 Exploded View and Replacement Parts List 14 ...

Page 2: ...ing 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 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 ...

Page 4: ...4 ...

Page 5: ...5 ...

Page 6: ...ng button and check whether the speed changes to H M L and off the light is off in this order Pull the trigger all the way back and check whether the tool stops rotating immediately when it is released Set the clutch handle to the drill mode and check whether the tool rotates without any clutch operation Set the clutch handle to the hammer mode place the drill bit against a board or other suitable...

Page 7: ...ning screw inside the chuck clockwise direction and remove the screw in case of the chuck does not come loose NOTE If the chuck fastening screw will not come loose insert the allen wrench into the chuck and lightly tap in the clockwise direction to tighten the chuck and then loosen the chuck fastening screw 2 Insert the allen wrench into the chuck and turn counterclockwise direction with holding t...

Page 8: ...ation panel 5 Remove the square nut 1 Remove the heat resistant tape and remove the interior components from the housing A Precautions when securing LED assembly in place using the resistant tape Attach the heat resistant tape at the location shown in the figure below 2 Remove the clutch handle H L change handle and click spring A from the gear box block ...

Page 9: ...onnector 3 Pull the faston terminal directly out from the switch assembly Exercise care not to bend the ter minal fitting 4 Remove the lead wires from the battery terminal Connecting and disconnecting the connector Precautions when attaching the connectors Holding the motor assembly remove the entire motor mount ing plate including the gear box block from the motor assem bly ...

Page 10: ...s produced to ensure secure mounting 2 Remove the thrust plate planet gear B ring gear B and the carrier B in that order 3 Remove the planet gear A carrier A tapping screws gear case and the stopper in that order from the hammer clutch block The tapping screws cannot be reused after being repaired or otherwise adjusted Exercise care when attaching the ring gear A ring gear B and stopper to align t...

Page 11: ...11 4 8 Assembly of the Gear Box Block and the Clutch Handle 4 9 Assembly of the H L Change Handle ...

Page 12: ...12 4 10 Wiring and Assembly Points ...

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

Page 14: ...Model No EY79A2 Exploded View ...

Page 15: ...RY TERMINAL ASSEMBLY 1 13 WEY79A2H4057 GEAR BOX BLOCK 1 14 WEY79A2K4127 HAMMER CLUTCH BLOCK 1 15 WEY74A2S0397 STOPPER 1 16 WEY74A2F1767 GEAR CASE 1 17 WEY79A2K9037 SCREW 4 3 12 4PCS PK 18 WEY74A2L1417 CARRIER A 1 19 WEY74A2L1467 RING GEAR A 1 20 WEY74A2L1368 PLANET GEAR A 3 21 WEY74A2L1457 CARRIER B 1 22 WEY74A2L1487 RING GEAR B 1 23 WEY74A2L1397 PLANET GEAR B 3 24 WEY74A2K0857 THRUST PLATE 1 25 W...

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