Panasonic EY7552 User manual

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Order Number PTD1309X25CE

Cordless Impact Wrench

Model No. EY7552

Europe

Oceania

TABLE OF CONTENTS

PAGE PAGE

1 Warning -------------------------------------------------------------- 2

2 Specifications ----------------------------------------------------- 2

3 Troubleshooting Guide ----------------------------------------- 3

4 Disassembly and Assembly Instructions ---------------- 6

5 Wiring Connection Diagram ---------------------------------16

6 Schematic Diagram ---------------------------------------------16

7 Exploded View and Replacement Parts List -----------17

1Warning

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 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

3 Troubleshooting Guide

3.1. Troubleshooting Guide

3.2. Trial Operation (after checking Troubleshooting Guide)

3.2.1. Assembly

• Confirm if there is no gap between housing A and B by pinching lead wires.

• There is no dust or deformation on battery terminals.

3.2.2. Operation

• Check whether the tool operates properly in both the forward and reveres directions.

• Press the BATTERY LEVEL INDICATOR ON button, and confirm that the LED turns on, then turns off after 10 seconds. Also,

check that the LED turns off when the trigger is pulled while the LED is lit.

• Check whether the tool speed increases continuously as the trigger is gradually engaged.

• Check whether the tool speed is normal after repair and reassembly.

Rotating speed: 0 to 1350 rpm

• Check whether the tool become hot in a short operation.

• Check whether impact operation functions properly.

Apply impact to an M16 or M20 bolt, and confirm that the impact operation functions properly.

3.2.3. Integrity

• With the switch activated, shake the tool back and forth and up and down and verify that its sound does not change excessively.

• Check for the presence of any dirt or foreign matter from the repair process on the outside of the tool.

4 Disassembly and Assembly Instructions

*To assemble the tool, start with 4.10 and proceed to 4.1

4.1. How to remove the housing B

4.2. Removing the interior components

4.3. How to removing the Motor block and Driving block from the Motor

assembly

4.4. Removing the Switch assembly, ring gear and ring gear cover from the

motor assembly

4.5. Removing the Module assembly from the Switch assembly

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