Panasonic EY7201-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 la .

EY7201-U1

4 TROUBLESHOOTING GUIDE 5

5 EXPLODED VIEW 7

REPLACEMENT PARTS LIST 8

Cordless Impact Driver

SPECIFICATIONS

CONTENTS

Page Page

ORDER NO. PTD0404U30C1

F16

1 SCHEMATIC DIAGRAM

2 WIRING CONNECTION DIAGRAM

EY7201-U1

3 DISASSEMBLY/ASSEMBLY INSTRUCTIONS

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

assembly.

1. Loosen the scre turning it counterclock ise, using a coin or a

flat blade scre driver.

2. Take out the belt hook.

3. Remove nine housing scre s.

4. Open the housing B.

5. Take out the fixation cover, protectors and anvil block.

Ref. No. 1B Procedure 1A →

→→

→1B Removal and attachment of the Motor.

(Removal)

1. Take out the motor ith 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 o n direction for proper

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

opposite ay.

EY7201-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 ires firmly.

2. Assembly the lever s itch ith a projection on top.

3. Connect the motor lead ires ithout touching (+) terminal and (-)

terminal.

4. Press fit the lead ires of LED light in a groove of F/R selector

handle.

EY7201-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 s itch block

(See WIRING CONNECTION DIAGRAM.) →are defective.

Check continuity bet een follo ing terminals. Replace s itch & FET

*Inspection of the for ard / reverse selection s itch. block.

When s itch handle is depressed all the ay:

-There should be 0Ωbet een (B) - (D) ,

hen s itch lever is set to for ard side.

-There should be 0Ωbet een (A) - (D) ,

hen s itch lever is set to reverse side.

↓OK

<CHECK MOTOR BRUSH.> NO Replace motor

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

(Do not touch bet een brush holder and holding spring.)

B. There should be 0Ωbet een motor lead ire and

terminal of brush holder.

↓OK

<CHECK MOTOR ROTOR.> NO Replace motor

Check the condition of rotor if there is any ear, 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.

EY7201-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 s itch

Replace hole s itch block. & FET block.

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

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

bet een the green and red lead ires, and bet een the black and

red lead ires.

NOTE:

*FET is eak against static electricity.

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

measurement range.

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

or eakness of →Check ear 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.

↓OK

<CHECK HAMMER.> NO Replace hammer.

Check ear condition of hammer. If no less than 2mm from the corner →

at (C) side or 1mm from the corner at (D) side, hammer is OK.

EY7201-U1

5 EXPLODED VIEW

EY7201-U1

REPLACEMENT PARTS LIST

NOTE:

*B=only available as set

*C=available individually

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

1WEY7201K3078 H USING AB SET 1

2EY6481L0177 CLICK SPRING *C 2

3WEY7201L0317 CUSHI N *B (2PCS/PK) 4*10*2 2

4WEY7201L0327 CUSHI N 4.0*23*33 1

5WEY7201H4057 FIXATI N C VER ASSEMBLY 1

6WEY7201K3107 N SE PR TECT R 1

7WEY7201H3207 PR TECT R 1

8WEY6507K1167 C-TYPE RING 1

9WEY6507L0857 THRUST PLATE 1

10 WEY6507L0197 BIT H LDER SPRING 1

11 WEY6507K3717 BIT H LDER 1

12 WEY7201S3307 FIXATI N C VER 1

13 WEY6505L0867 SLIDER 1

14 WEY7201L1127 ANVIL 1

15 WEY6507L6977 STEEL BALL *B (2PCS/PK) 5/32 2

16 WEY7201L1067 DRIVING SHAFT ASSEMBLY 1

17 WEY7201L6967 STEEL BALL *B (2PCS/PK) 7/32 2

18 WEY7201L1377 HAMMER 1

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

20 WEY6505L0897 THRUST PLATE 1

21 WEY7201L0157 HAMMER SPRING 1

22 WEY6508L1147 SPRING FIXING PLATE 1

23 WEY7201L1137 DRIVING SHAFT 1

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

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

26 WEY7201L0027 M T R M UNTING PLATE ASSEMBLY 1

27 WEY7201L4957 BEARING 1

28 WEY7201L0987 -RING 41 1

29 WEY7201L3747 M T R M UNTING PLATE 1

30 WEY7201L1467 M T R R T R ASSEMBLY 1

31 WEY7201L1187 STAT R 1

32 WEY7201L2307 BRUSH ASSEMBLY 1

33 WEY7201K2007 SWITCH 1

34 EY6261B6027 SEMS SCREW *C K3-6 2

35 WEY7201Y3247 F/R SELECT R HANDLE 1

36 WEY7201Y3257 IMPACT M DE SELECT R SWITCH 1

37 WEY7201Y3267 BELT H K L CK LEVER 1

38 WEY7201L0167 SPRING 1

39 WEY6470K3187 BELT H K B LT 1

40 WEY7201Y3317 BELT H K 1

41 EY6230L0207 DUST PREVENTIVE PLATE 1

42 EY6230K9218 T RX TAPPING SCREW *C K3*20 9

-WEY7201K8108 PERATING INSTRUCTI NS 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.

EY7201-U1

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