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Panasonic EY7442, Service Manual, Page: 19 / 23

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Panasonic EY7442 Service Manual Download Page 19

Model No. : EY7442

Parts List

 

 

 

Safety

 

Ref. 

No.

Part No.

Part Name & Description

Q'ty

Remarks

EY7442

 

1

WEY7442K3078

HOUSING AB SET

1 (for Europe)

 

1

WEY7442K3079

HOUSING AB SET

1 (for Oceania)

 

2

WEY6450L6806

CHUCK FASTENING SCREW

1

 

3

WEY7441K7917

KEYLESS CHUCK

1

 

4

WEY7442H3227

CLUTCH HANDLE

1

 

5

WEY7460L0637

ADJUSTING SCREW

1

 

6

WEY7442L0177

CLUTCH SPRING

1

 

7

WEY7442L1427

RING GEAR

1

 

8

WEY7442L1117

RING GEAR A

1

 

9

WEY7460H3238

H/L CHANGE HANDLE

1

 

10

WEY7460H3248

F/R SELECTOR HANDLE

1

 

11

WEY7441L6028

SEMS SCREW

2 (K3-6)

 

12

WEY7442L1008

DC MOTOR ASSEMBLY

1

 

13

WEY7442L2577

MOTOR BRUSH ASSEMBLY

1

 

14

WEYT184L6076

SEMS SCREW

2 (K4-6)

 

15

WEY7442L2007

SWITCH ASSEMBLY

1

 

16

WEY7442L2117

CONTROL PCB

1

 

17

WEY7460K3958

OPERATION PANEL

1

 

18

WEY6405K9218

TORX TAPPING SCREW

9 (K3-20)

 

19

WEY7442L4057

GEAR BOX BLOCK

1

 

20

WEY7460K4628

SUPPORT HANDLE

1

 

-

WEY9L40R2788

BATTERY PACK COVER

1

 

-

WEY9644K7019

TOOL CASE

1

 

-

WEY7450K8108

OPERATING INSTRUCTIONS

1

 

-

WEY001T8907

GREASE (ALVANIA)

1

 

-

WEY003W8957

GREASE (PERMALUB)

1

Summary of Contents for EY7442

Page 1: ...r Cordless Hammer Drill Driver Model No EY7442 EY7450 Cordless Drill Driver Model No EY7950 Cordless Hammer Drill Driver Europe and Oceania TABLE OF CONTENTS PAGE PAGE 1 Warning 2 2 Specifications 2 3 Troubleshooting Guide 3 4 Disassembly and Assembly Instructions 8 5 Wiring Connection Diagram 16 6 Schematic Diagram 17 7 Exploded View and Replacement Parts List 18 ...

Page 2: ... 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 solder ing 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 2 Specifications 2 1 MAIN UNIT 2 2 MAXIMUM RECOMMENDED CAPACITIES ...

Page 3: ...3 3 Troubleshooting Guide Refer to Wiring Connection Diagram ...

Page 4: ...4 ...

Page 5: ...5 ...

Page 6: ...6 ...

Page 7: ... and attached press the switch handle otherwise LED does not right ON 3 Confirm if the tools become hot in a short operation 4 Confirm the action when setting the DRILL mode 5 Confirm if the chuck jaws move smoothly and hold the bit firmly 6 Confirm the rotation of speed if it changes in proportion to the amount of pushing level on switch handle 7 Confirm if the rotation stops when releasing the s...

Page 8: ... turn the chuck fastening screw inside the chuck clockwise direction of the arrow and remove the screw 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 fasten ing screw 4 Insert the allen wrench into the chuck and turn counterclockwise direction in the...

Page 9: ...f Motor screw 1 Remove 2 screws Ref No 2D Procedure 2A 2B 2C 2D Removal of Switch and Driving block 1 Take out the switch assembly 2 Take out the driving block 3 Separate the motor from the gear box block by twisting the motor to unlock tabs ...

Page 10: ...om commutator 2 Take out the motor brush assembly from the motor case Ref No 2F Procedure 2A 2B 2C 2D 2E 2F Removal or assembly of Control PCB Removal 1 Pull out the connector from the control PCB NOTE Make sure hold the connector at the bottom area Assembly 1 Apply the permalub grease around the tact switch NOTE Make sure to apply the grease to keep IP56 2 Insert the connector firmly ...

Page 11: ... Removal 1 Turn the thrust plate to remove 2 The internal parts of gear box block can be removed one after another Attachment 1 Assemble the parts in reverse order as shown in the figure NOTE Carriers Ring gears and Clutch plate have their own correct directions for proper reassembly ...

Page 12: ... sure that the adjusting screw has its own correct direction for proper assembly Failure to do so the clutch handle does not rotate properly 2 Turn the adjusting screw into the driving block about one rotation for clockwise direction 3 Set the clutch handle with position 1 on top Align the position 1 of clutch handle with the narrowest projection of driving block 4 Insert the clutch handle with ad...

Page 13: ...usting screw has its own correct direction for proper assembly Failure to do so the clutch handle does not rotate properly 2 Turn the adjusting screw into the driving block about one rotation for clockwise direction 3 Set the clutch handle with position 14 on top Align the projection of clutch handle on bottom Ref No 2I Procedure 2A 2B 2C 2D 2E 2F 2G 2H 2I Attachment of H L change handle 1 Insert ...

Page 14: ...14 Ref No 2J 1 Procedure 2A 2B 2C 2D 2E 2F 2G 2H 2I 2J Assembly of Driving block for EY7442 and EY7450 ...

Page 15: ...15 Ref No 2J 2 Procedure 2A 2B 2C 2D 2E 2F 2G 2H 2I 2J Assembly of Driving block for EY7950 ...

Page 16: ...16 5 Wiring Connection Diagram ...

Page 17: ...17 6 Schematic Diagram 6 1 EY7442 6 2 EY7450 6 3 EY7950 ...

Page 18: ...Model No EY7442 Exploded View for EY7442 7 Exploded View and Replacement Parts List ...

Page 19: ...G GEAR A 1 9 WEY7460H3238 H L CHANGE HANDLE 1 10 WEY7460H3248 F R SELECTOR HANDLE 1 11 WEY7441L6028 SEMS SCREW 2 K3 6 12 WEY7442L1008 DC MOTOR ASSEMBLY 1 13 WEY7442L2577 MOTOR BRUSH ASSEMBLY 1 14 WEYT184L6076 SEMS SCREW 2 K4 6 15 WEY7442L2007 SWITCH ASSEMBLY 1 16 WEY7442L2117 CONTROL PCB 1 17 WEY7460K3958 OPERATION PANEL 1 18 WEY6405K9218 TORX TAPPING SCREW 9 K3 20 19 WEY7442L4057 GEAR BOX BLOCK 1...

Page 20: ...Model No EY7450 Exploded View for EY7450 ...

Page 21: ...ING GEAR A 1 9 WEY7460H3238 H L CHANGE HANDLE 1 10 WEY7460H3248 F R SELECTOR HANDLE 1 11 WEY7441L6028 SEMS SCREW 2 K3 6 12 WEY7450L1008 DC MOTOR ASSEMBLY 1 13 WEY7442L2577 MOTOR BRUSH ASSEMBLY 1 14 WEYT184L6076 SEMS SCREW 2 K4 6 15 WEY7442L2007 SWITCH ASSEMBLY 1 16 WEY7450L2117 CONTROL PCB 1 17 WEY7460K3958 OPERATION PANEL 1 18 WEY6405K9218 TORX TAPPING SCREW 9 K3 20 19 WEY7442L4057 GEAR BOX BLOCK...

Page 22: ...Model No EY7950 Exploded View for EY7950 ...

Page 23: ...HANGE HANDLE 1 8 WEY7460H3248 F R SELECTOR HANDLE 1 9 WEY7441L6028 SEMS SCREW 2 K3 6 10 WEY7450L1008 DC MOTOR ASSEMBLY 1 11 WEY7442L2577 MOTOR BRUSH ASSEMBLY 1 12 WEYT184L6076 SEMS SCREW 2 K4 6 13 WEY7442L2007 SWITCH ASSEMBLY 1 14 WEY7450L2117 CONTROL PCB 1 15 WEY7460K3958 OPERATION PANEL 1 16 WEY6405K9218 TORX TAPPING SCREW 9 K3 20 17 WEY7950L4057 GEAR BOX BLOCK 1 18 WEY7460K4628 SUPPORT HANDLE 1...

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