Panasonic EY75A7 User manual
© Panasonic Corporation 2015. All rights reserved.
Unauthorized copying and distribution is a violation
of law.
ORDER NO. PTD1507X57CE
Cordless Impact Driver
Model No. EY75A7
Europe
Oceania
TABLE OF CONTENTS
PAGE PAGE
1 Warning -------------------------------------------------------------- 2
2 Specifications ----------------------------------------------------- 2
3 Troubleshooting Guide ----------------------------------------- 3
4 Disassembly and Assembly Instructions ---------------- 8
5 Wiring Connection Diagram ---------------------------------15
6 Schematic Diagram ---------------------------------------------15
7 Exploded View and Replacement Parts List -----------16
2
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
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
3
3 Troubleshooting Guide
3.1. Troubleshooting Guide
4
5
6
7
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. Operation
• Check whether the tool operates properly in both the forward and reveres directions.
• Check whether the LED lights ON.
• Check whether the tool speed increases continuously as the trigger is gradually engaged.
• Check whether the tool speed is normal after repair and reassembly.
High mode: 0 to 2500 rpm.
Medium mode: 0 to 1450 rpm.
Low mode: 0 to 950 rpm.
Tex mode: 0 to 2500 rpm.
• Check whether the bit holder move smoothly and hold the bit firmly.
• Check whether the remaining battery power indicator lamp lights up or flashes when the Battery level button is pressed.
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.
8
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 Housing.
1. Remove the M4-14 screw.
2. Remove the plate hook.
3. Remove four screws.
4. Remove the housing C.
5. Remove seven tapping screws.
6. Remove the housing B.
7. Remove the F/R selector handle.
8. Remove the operation panel.
9. Remove the nut.
9
4.2. Removing the interior components.
4.3. Removing the LED assembly from the housing A.
4.4. Removing the Fixation cover assembly from the motor assembly.
1. Disconnect the LED assembly 2-pin connector from
the module assembly.
* Precautions when attaching the 2-pin connector.
Check whether the claw on the connector is engaged
securely with the mating side.
2. Remove the interior components from the housing A.
Remove the heat resistant tape and then remove the LED assembly
form the housing A.
* Precautions when securing LED assembly in place using heat resistant
tape.
Attach the heat resistant tape at the location shown in the figure below.
Holding the motor assembly, remove the fixation cover assembly, includ-
ing the motor mounting plate from the motor assembly.
10
4.5. Removing the Fixation cover assembly, driving shaft assembly and
motor mounting plate.
4.6. Precautions when assembling the motor mounting plate and fixation
cover assembly.
1. Remove the motor mounting plate.
2. Remove the thrust plate from the driving shaft assembly from the fixa-
tion cover assembly.
3. Remove the thrust plate from the fixation cover assembly.
4. Remove the protector from the fixation cover assembly.
* Precautions when attaching the protector, anvil and hammer.
Peel off the backing paper from the double-sided adhesive tape on the
back side of the protector, and mount the protector to the fixation cover
assembly.
Note that the motor mounting plate must be installed in correct direction
as shown in the diagram at the left. Make sure it is installed correctly.
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