Panasonic EY6506-U1 User manual

1 SCHEMATIC DIAGRAM 2

2 WIRING CONNECTION DIAGRAM 2

3 DISASSEMBLY/ASSEMBLY INSTRUCTIONS 3

reserved. Unauthorized copying and distribution is a

violation of law.

EY6506-U1

4 TROUBLESHOOTING GUIDE 5

5 EXPLODED VIEW 7

6 REPLACEMENT PARTS LIST 8

Cordless Impact Driver

SPECIFICATIONS

CONTENTS

Page Page

ORDER NO.PTD0310U39C1

F16

1 SCHEMATIC DIAGRAM

2 WIRING CONNECTION DIAGRAM

EY6506-U1

■HOW TO DISASSEMBLE MAIN UNIT.

3 DISASSEMBLY/ASSEMBLY INSTRUCTIONS

Ref. No. 1A Procedure 1A Removal of the Fixation cover and Housing.

1. Remove four screws tightened with the fixation cover and take it

out.

2. Remove eight housing screws.

Ref. No. 1B Procedure 1A →

→→

→1B Removal and attachment of the Motor.

(Removal)

1. Take out the motor with the driving block from housing.

2. Separate the motor assembly from the driving block.

3. Take out the motor rotor assembly from the motor stator.

NOTE :

Make sure not to damage the magnet by motor rotor.

(Attachment)

1. Insert the motor rotor assembly into the stator.

NOTE :

Make sure that the motor stator has their own direction for proper

assembly. If it is assembled wrongly, the rotation may be the

opposite way.

EY6506-U1

Ref. No. 1C Procedure 1A →

→→

→1B →

→→

→1C Removal of the Driving Block.

1. Remove the thrust plate.

2. Take out the planet gears and pins slightly tapping the driving block

on the table.

Ref. No. 1D Procedure 1A →

→→

→1B →

→→

→1C→

→→

→1D Assembly of the Switch.

1. Press fit the lead wires firmly.

EY6506-U1

(Refer to WIRING CONNECTION DIAGRAM)

4 TROUBLESHOOTING GUIDE

< TROUBLE > < CHECK > < REMEDY >

Does not operate. <CHECK BATTERY PACK.> NO Replace battery pack.

→If no less than 12V 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 12V DC or the usable time is extremely short.

-the battery leaks. Check battery for leaks and terminals for

corrosion.

↓OK

<CHECK TERMINAL CONNECTIONS BETWEEN MAIN UNIT NO Repair contacts.

AND BATTERY PACK.> →

Check for proper terminal contacts.

↓OK

<CHECK SWITCH BLOCK.> NO Contacts in switch block

(See WIRING CONNECTION DIAGRAM.) →are defective.

Check continuity between following terminals. Replace switch & FET

*Inspection of the forward / reverse selection switch. block.

When switch handle is depressed all the way:

-There should be 0Ωbetween (A) - (D) , and between (B) - (C) ;

when switch lever is set to forward side.

-There should be 0Ωbetween (A) - (C) , and between (B) - (D) ;

when switch lever is set to reverse side.

*Inspection of the brake.

When switch handle is not depressed:

-There should be 0Ωbetween (A) - (B) .

↓OK

<CHECK MOTOR BRUSH.> NO Replace motor

A. Check the condition of carbon brush. →brush assembly.

(Do not touch between brush holder and holding spring.)

B. There should be 0Ωbetween motor lead wire and

terminal of brush holder.

↓OK

<CHECK MOTOR ROTOR.> NO Replace motor

Check the condition of rotor if there is any wear, crack and deformation. →rotor assembly.

↓OK

<CHECK MOTOR STATOR.> NO Replace motor

Check the condition of motor case if there is any crack and deformation. →stator.

EY6506-U1

< TROUBLE > < CHECK > < REMEDY >

Does not speed- <CHECK FET.> NO Repair the contact

control. →Even if FET block is defective, it can not be replaced individually. or replace switch

Replace whole switch block. →& FET block.

Remove the FET circuit block and check the lead wire terminals.

These terminals are open normally when there is an open circuit ( Ω)

between the green and yellow lead wires, and between the blue and

yellow lead wires.

NOTE:

*FET is weak against static electricity.

** The resistance value may be some differences depends on the

measurement range.

Does not vibrate <CHECK ANVIL.> NO Replace anvil.

or weakness of →Check wear condition of anvil. If no less than 1mm from →

vibration. the corner at (A) side or 0.5mm from the corner at (B) side,

anvil is OK.

EY6506-U1

5 EXPLODED VIEW

EY6506-U1

6 REPLACEMENT PARTS LIST

NOTE:

*B=only available as set

*C=available individually

Ref.No. Part No. Part Name & Description Remarks Per Unit

1WEY6506K3078 HOUSING AB SET 1

2EY6481L0177 CLICK SPRING 1

3WEY6506H4057 FIXATION COVER ASSEMBLY 1

4WEY6504L0987 O-RING 47 1

5WEY7300K1167 C-TYPE RING 1

6WEY6605L0857 THRUST PLATE 1

7WEY6605L0197 BIT HOLDER SPRING 1

8WEY6404K3717 BIT HOLDER 1

9WEY6506H3747 FIXATION COVER 1

10 WEY6505L0867 SLIDER 1

11 EY6225L6977 STEEL BALL 3.5 1

12 WEY6506L1127 ANVIL 1

13 WEY574B6967 STEEL BALL *B (2PCS/PK) 2

14 WEY6506L1377 HAMMER 1

15 WEY7300L6957 STEEL BALL *B (27PCS/PK) 27

16 WEY6506L0877 THRUST PLATE 1

17 WEY6506L0157 HAMMER SPRING 1

18 WEY6506L1147 SPRING FIXING PLATE 1

19 WEY6506L0317 DUST PREVENT RUBBER 1

20 WEY6506L0847 THRUST PLATE 1

21 WEY6506L1137 DRIVING SHAFT 1

22 WEY6506L1357 PLANET GEAR *B (2PCS/PK) 2

23 WEY6506L1347 PIN *B (2PCS/PK) 2

24 WEY6506L0837 THRUST PLATE 1

25 WEY6506L1067 DRIVING BLOCK 1

26 WEY6506L1457 RING GEAR 1

27 WEY6606L4957 BEARING 1

28 WEY6506L1467 MOTOR ROTOR ASSEMBLY 1

29 WEY6506L1187 STATOR 1

30 WEY6506L2308 BRUSH ASSEMBLY 1

31 WEY6506Y3247 F/R SELECTOR HANDLE 1

32 WEY6506Y2007 SWITCH 1

33 EY6261B6027 SEMS SCREW *C K3-5 2

34 WEY6506L0887 THRUST PLATE 1

35 WEY6506K9217 M-TIGHT SCREW *C K4-22 4

36 EY6230K9218 TORX TAPPING SCREW *C K3-20 8

37 EY6230L0207 DUST PREVENTIVE PLATE 1

38 WEY6505X7928 PHILLIPS BIT (+) 65mm 1

-WEY6506K8108 OPERATING INSTRUCTIONS 1

**Battery Pack, and Tool Case are available as an optional accessory.

See the nearest sales dealer for details.

***For replacement parts of charger, see the charger service manual.

Charger complete set is available as an optional accessory. See the nearest sales dealer for details.

EY6506-U1

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