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6 REPLACEMENT PARTS LIST

NOTE:

*B=only available as set
*C=available individually

Ref.No.

Part No.

Part Name & Description

Remarks

Per Unit

1

WEY6450K3078

HOUSING AB SET

1

2

EY6481L0177

CLICK SPRING

1

3

WEY6450L6808

CHUCK FASTENING SCREW

1

5

WEY6450Y3228

CLUTCH HANDLE

1

6

WEY6450L0638

ADJUSTING SCREW

1

7

WEY6450L0578

CLUTCH PLATE

1

8

WEY6450L0168

CLUTCH SPRING

(6pcs/PK)

6

9

WEY6813L1927

STEEL BALL

(6pcs/PK)

5

6

10

WEY6450L0388

PIN

(6pcs/PK)

5.3*20.3

6

11

WEY6450L1078

DRIVING BLOCK

1

12

EY6283L0377

PIN

(6pcs/PK)

3.175*7.2

6

13

EY6901L1107

CARRIER

1

14

WEY6450L1488

RING GEAR

1

15

WEY6450L1348

PLANET GEAR

(3pcs/PK)

3

16

WEY6450L0858

THRUST PLATE

1

17

WEY6450L1768

GEAR CASE

1

18

EY6406K9038

TORX TAPPING SCREW

*C

K3-12

4

19

WEY6450L1128

CARRIER A

1

20

WEY6450L1358

PLANET GEAR A

(3pcs/PK)

3

21

WEY6200B1468

RING GEAR B

1

22

WEY6450L1118

CARRIER

1

23

WEY6450L1478

RING GEAR

1

24

EY6200B1367

PLANET GEAR

(3pcs/PK)

3

25

WEY6450L0868

THRUST PLATE

1

26

WEY6450L0178

CLICK SPRING A

1

27

EY6406Y3238

H/L CHANGE HANDLE

1

28

WEY6405Y3248

F/R SELECTOR HANDLE

1

29

EYT184L6077

SCREW

*C

K4-6

2

30

WEY6450L0028

MOTOR MOUNTING PLATE

1

31

WEY6450L1008

DC MOTOR

1

32

WEY6450S6028

SEMS SCREW

*C

K3-5

2

33

WEY6450Y2008

SWITCH

1

34

EY6406L2568

HEAT SINK

with a screw

1

35

EY6230L0207

DUST PREVENTIVE PLATE

1

36

EY6230K9218

TORX TAPPING SCREW

*C

K3-20

9

37

WEY6450L1458

GEAR BOX BLOCK

1

38

WEY6450K4628

SIDE HANDLE

1

-

WEY6450K8108

OPERATING INSTRUCTIONS

1

**Battery Pack, Keyless Chuck, 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.

10

EY6450-U1

Summary of Contents for EY6450-U1

Page 1: ...IONS 3 2003 Matsushita Electric Works Ltd All rights reserved Unauthorized copying and distribution is a violation of law EY6450 U1 4 TROUBLESHOOTING GUIDE 7 5 EXPLODED VIEW 9 6 REPLACEMENT PARTS LIST 10 Cordless Drill Driver SPECIFICATIONS CONTENTS Page Page ORDER NO PTD0308U33C1 F16 ...

Page 2: ...1 SCHEMATIC DIAGRAM 2 WIRING CONNECTION DIAGRAM 2 EY6450 U1 ...

Page 3: ...to turn the chuck fastening screw inside the chuck clockwise direction of the arrow and remove the screw See Fig 1 NOTE If the chuck fastening screw will not come loose insert the allen wrench into the chuck and lightly tap in the clockwise direction with a hammer to tighten the chuck and then loosen the chuck fastening screw See Fig 2 4 Insert the allen wrench into the chuck and turn counterclock...

Page 4: ...part of housing with Shell Alvania for assembly See Fig 6 Fig 6 Ref No 2B Procedure 2A 2B Removal or attachment of the Motor Fig 7 Removal 1 Take out the motor with the gear box block from housing 2 Separate the motor from the gear box block by twisting the motor to unlock tabs See Fig 7 Attachment 3 Motor mounting base and the positioning rib of gear case should be set 4 EY6450 U1 ...

Page 5: ...g 8 Attachment 1 If the lock ring comes out reassemble in the correct direction See Fig 9 2 Start from inserting 6 pins into the driving block as shown in the Fig 10 3 Assemble the other parts in reverse order as shown in the Fig 8 4 Install steel balls pins and clutch springs into 6 holes See Fig 11 NOTE Carrier Ring gear and Clutch plate have their own correct directions for proper assembly Fig ...

Page 6: ...ection for proper assembly Failure to do so the clutch handle does not rotate properly See Fig 12 2 Turn the adjusting screw into the driving block about 255 rotation to 2 o clock position for clockwise direction See Fig 13 3 Set the clutch handle with position 1 on top See Fig 14 Fig 14 Ref No 2E Procedure 2A 2B 2C 2D 2E Assembly of the Switch Fig 15 1 Press fit the lead wires firmly and set the ...

Page 7: ...r 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 shou...

Page 8: ...k 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 OK CHECK SWITCH BLOCK NO Replace switch FET block 8 EY...

Page 9: ...5 EXPLODED VIEW 9 EY6450 U1 ...

Page 10: ...NET GEAR A 3pcs PK 3 21 WEY6200B1468 RING GEAR B 1 22 WEY6450L1118 CARRIER 1 23 WEY6450L1478 RING GEAR 1 24 EY6200B1367 PLANET GEAR 3pcs PK 3 25 WEY6450L0868 THRUST PLATE 1 26 WEY6450L0178 CLICK SPRING A 1 27 EY6406Y3238 H L CHANGE HANDLE 1 28 WEY6405Y3248 F R SELECTOR HANDLE 1 29 EYT184L6077 SCREW C K4 6 2 30 WEY6450L0028 MOTOR MOUNTING PLATE 1 31 WEY6450L1008 DC MOTOR 1 32 WEY6450S6028 SEMS SCRE...

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