Panasonic EY6950-X8 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.

EY6950-X8

4 TROUBLESHOOTING GUIDE 7

5 EXPLODED VIEW 9

6 REPLACEMENT PARTS LIST 10

Cordless Hammer Drill Driver

SPECIFICATIONS

CONTENTS

Page Page

ORDER NO.PTD0310X38C8

1 SCHEMATIC DIAGRAM

2 WIRING CONNECTION DIAGRAM

EY6950-X8

■HOW TO DISASSEMBLE KEYLESS CHUCK.

3 DISASSEMBLY/ASSEMBLY INSTRUCTIONS

Ref. No. 1A Procedure 1A Removal of the Keyless Drill Chuck.

Fig. 1

Fig. 2

Fig. 3

1. Set the clutch handle to position 1 and select "LOW" position.

2. Turn the lock collar counterclockwise direction to open the chuck

jaws.

3. Use a screwdriver 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 counterclockwise

direction in the arrow with holding the unit by the vise to remove

the chuck. (See Fig. 3)

EY6950-X8

■HOW TO DISASSEMBLE MAIN UNIT.

Ref. No. 2A Procedure 2A Removal of the Housing.

Fig. 4

Fig. 5

1. Remove the side handle. (See Fig. 4)

2. Remove nine housing screws. (See Fig. 5)

NOTE :

Grease rubbing 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.

EY6950-X8

Ref. No. 2C Procedure 2A →

→→

→2B →

→→

→2C Removal or attachment of the Gear Box Block.

Fig. 8

Fig. 9

Fig. 10

(Removal)

1. Turn the thrust plate to remove.

2. The internal parts of gear box block can be removed one after

another. (See Fig. 8)

(Attachment)

1. Start from inserting 6 pins into the driving block as shown in the

Fig. 9.

2. Assemble the other parts in reverse order as shown in the Fig. 8.

3. Install steel balls, pins and clutch springs into 6 holes. (See Fig. 10)

NOTE:

Carrier, Ring gear, and Clutch plate have their own correct

directions for proper assembly.

EY6950-X8

Ref. No. 2D Procedure 2D Assembly of the Adjusting Screw and the Clutch Handle.

Fig. 11

Fig. 12

1. Hold the driving block with the click spring on top, and align the

smallest projection of adjusting screw with the clutch case at 5 o´clock

position.

NOTE:

Make sure that the adjusting screw has its own correct direction

for proper assembly.

Failure to do so, the clutch handle does not rotate properly. (See

Fig. 11)

2. Turn the adjusting screw into the driving block about 255° rotation

(at 2 o´clock position) for clockwise direction. (See Fig. 12)

3. Insert 2 pins and set each length on top and bottom should be

same. (See Fig. 13)

4. Set the clutch handle with position 1 on top. (See Fig .14)

Fig. 13

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 black lead wire on top.

2. Connect the switch with the white and black lead wire at 55°

position. (See Fig .15)

EY6950-X8

(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 18V 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 18V 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.

↓OK

<CHECK MOTOR.> NO Replace motor.

The motor normally operates with its white (+) and black (-) lead wires →

connected to 18V DC.

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.

EY6950-X8

< TROUBLE > < CHECK > < REMEDY >

Does not vibrate. <CHECK CLUTCH HANDLE.> NO Replace clutch

(When setting clutch →Check the condition of inside of clutch handle if two projections were →handle.

handle to .) broken or not.

Weakness of <CHECK DRIVING BLOCK.> NO Replace driving

vibration. →Check wear condition of driving shaft and cam. →block.

(When setting

clutch handle

to .)

Weakness of <CHECK RING GEAR.> NO Replace ring gear.

clutch operation. →Check wear condition of protrusion parts of ring gears. →

↓OK

<CHECK CLUTCH SPRING.> NO Replace clutch

Check wear condition of 6 pieces of clutch springs. →springs.

connected to 18V DC.

↓OK

<CHECK ADJUSTING SCREW.> NO Replace adjusting

Check wear condition of projection parts of adjusting screw. →screw.

↓OK

<CHECK GEAR CASE.> NO Replace gear

Check wear condition of gear case if it is cracked or broken. →case.

EY6950-X8

5 EXPLODED VIEW

EY6950-X8

6 REPLACEMENT PARTS LIST

NOTE:

*B=only available as set

*C=available individually

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

1WEY6950K3079 HOUSING AB SET for EUROPE 1

1WEY6950K3070 HOUSING AB SET for OCEANIA 1

2WEY6481L0177 CLICK SPRING 1

3WEY6450L6808 CHUCK FASTENING SCREW 1

4WEY6950K7918 KEYLESS CHUCK 1

5WEY6950Y3228 CLUTCH HANDLE 1

6WEY6450L0638 ADJUSTING SCREW 1

7WEY6450L0578 CLUTCH PLATE 1

8WEY6450L0168 CLUTCH SPRING *B (6pcs/PK) 6

9WEY6813L1927 STEEL BALL *B (6pcs/PK) 5 6

10 WEY6450L0388 PIN *B (6pcs/PK) 5.3*20.3 6

11 WEY6950L1078 DRIVING BLOCK 1

12 WEY6283L0377 PIN *B (6pcs/PK) 3.175*7.2 6

13 WEY6901L1107 CARRIER 1

14 WEY6450L1488 RING GEAR 1

15 WEY6450L1348 PLANET GEAR *B (3pcs/PK) 3

16 WEY6450L0858 THRUST PLATE 1

17 WEY6450L1768 GEAR CASE 1

18 WEY6406K9038 TORX TAPPING SCREW *C K3-12 4

19 WEY6450L1128 CARRIER A 1

20 WEY6450L1358 PLANET GEAR A *B (3pcs/PK) 3

21 WEY6200B1468 RING GEAR B 1

22 WEY6950L1118 CARRIER 1

23 WEY6950L1478 RING GEAR 1

24 WEY6230L1367 PLANET GEAR *B (4pcs/PK) 4

25 WEY6450L0868 THRUST PLATE 1

26 WEY6950L0358 PIN *B (2pcs/PK) 2

27 WEY6450L0178 CLICK SPRING A 1

28 WEY6450Y3238 H/L CHANGE HANDLE 1

29 WEY6405Y3248 F/R SELECTOR HANDLE 1

30 WEYT184L6077 SCREW *C K4-6 2

31 WEY6450L0028 MOTOR MOUNTING PLATE 1

32 WEY6450L1009 DC MOTOR 1

33 WEY6450S6028 SEMS SCREW *C K3-5 2

34 WEY6950Y2008 SWITCH 1

35 WEY6406L2568 HEAT SINK with a screw 1

36 WEY6230L0207 DUST PREVENTIVE PLATE 1

37 WEY6230K9218 TORX TAPPING SCREW *C K3-20 9

38 WEY6950L1458 GEAR BOX BLOCK 1

39 WEY6450K4628 SIDE HANDLE 1

-WEY9517K7018 TOOL CASE 1

-WEY6950K8109 OPERATING INSTRUCTIONS 1

**Battery Pack is 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.

EY6950-X8

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