Panasonic EY7530 User manual

ORDER NO. PTD1408E44CE

TABLE OF CONTENTS

Impact driver

Model No. EY7530

Europe

Panasonic corporation 2014.

is a violation of law.

PAGE

1. Warning 2

2. Specifications 2

3. Troubleshooting Guide 3

4. Disassembly and Assembly Instructions 6

5. Wiring Connection Diagram 10

6. Schematic Diagram 10

7. Exploded View and Replacement Parts List 11

2.1 Main Unit

2 Specifications

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).

NOTE: Weight indication

Greater than or equal to 1kg : indicated by 0.05kg.

Less than 1kg : indicated by 0.01kg.

《TROUBLE》《CHECK》《REMEDY》

3 Troubleshooting Guide

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3.1 Troubleshooting Guide

Does not operate

(spin) Replace battery pack.

If no less than 10.8V DC is available across the (+)

and (-) terminals, the battery pack is OK.

Note: The battery pack is sold separately as an

optional accessory. See the nearest sales dealer

for details. The battery pack has a limited life.

The pack should be replaced if

- after being charged for the rated charging time

the battery voltage is less than 10.8V or the

usable time is extremely short.

Replace motor and

PCB block.

After attaching the battery pack, removing the tool

housing, and removing the motor and gear case block,

pull the trigger and check whether the motor operates.

<CHECK TERMINAL CONNECTIONS BETWEEN

MAIN UNIT AND BATTERY PACK>

•There are no much gull.

•Terminal connections are not blackened and allow

conduction.

•Terminal connections are not rusty or deformed.

Replace motor and

PCB block.

Verify that the pinion is not cracked. Replace motor and

PCB block.

Check if there is no breakage of lead wires. Replace motor and

PCB block.

ＮＯ

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ＮＯ

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ＮＯ

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Replace spindle

block or hammer

block.

Check whether the motor operates after attaching the

spindle block and hammer block

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ＮＯ

《TROUBLE》《CHECK》《REMEDY》

ＮＯ

ＯＫ

ＮＯ

Cannot be

controlled Replace motor and

PCB block.

Pull back on the switch trigger gradually and check

whether the tool’s speed increases smoothly.

Check if LED lights on when pulling the trigger. Replace motor and

PCB block.

《TROUBLE》《CHECK》《REMEDY》

ＮＯ

Replace hammer

block

Replace motor and

PCB block.

The tool is not

producing

adequate impact

force.

Check the amount of wear on the anvil.

Wear is within acceptable bounds if wear in the area of

contact with the output shaft and hammer is limited to

an area 1mm or less from the corner on surface A and

an area 0.5mm or less from the corner on surface B.

(See figure 1.)

・Check the amount of wear on the hammer. Wear is

within acceptable bounds if wear in the area of

contact with the output shaft and hammer is limited to

an area 2mm or less from the corner on surface C

and an area 1mm or less from the corner on surface

D. (See figure 2.)

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Fig. 1

Fig. 2

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, foreign substances, 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 light illuminates when the trigger depressed and turns off when the trigger is

released.

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

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

Speed: 2700 RPM (approx.)

3.3.3. Integrity

●With the switch activated, shake the tool back and forth and up and down and verify that its sound

does not change excessively.

●Confirm if the chuck jaws move smoothly and hold the bit firmly.

4 Disassembly/Assembly Instructions

4.1. Removing the fixation cover and rubber cover.

*To assemble the tool, start with 4-5 and proceed to 4-1.

4-3. Removing the housing

4-2. Removing the handle hoop

Remove the decorate cover and fixation

cover from main tool.

Attach the fixation cover, aligning the protruding part with the groove

on the housing. Attach the decorate cover, aligning the protruding

part with the notch on the housing.

Pull on the handle hoop with a flat-

blade screwdriver or other suitable tool

and remove it from the housing.

Remove ten screws.

*Precautions when attaching the fixation cover and decorate

cover

4-4. Removing the Motor and PCB block, F/R selector handle and LED cover

4-5. Removing the driving block and anvil from motor

Remove the F/R selector handle, LED

cover and motor and PCB block from

housing A.

4.6. Important note regarding the installation of motor and driving block

Align the protruding part of

the motor mount with the

groove on the housing.

Orienting the notch on the bearing

so that it faces forward, align it with

the groove on the housing.

4.7. Wiring and Assembly Points

*Housing AB set manufacturing lot

5 Wiring Connection Diagram

Omitted due to use of blocks.

6 Schematic Diagram

Omitted due to use of blocks.

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