Panasonic EY7546, Service Manual

Page 1: ...iver Cordless Impact Wrench Model No EY7546 EY7550 Cordless Impact Driver Model No EY7547 EY7551 Cordless Impact Wrench Europe and Oceania TABLE OF CONTENTS PAGE PAGE 1 Warning 2 2 Specifications 2 3 Troubleshooting Guide 3 4 Disassembly and Assembly Instructions 7 5 Wiring Connection Diagram 13 6 Schematic Diagram 13 7 Exploded View and Replacement Parts List 14 ...

Page 2: ...0 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 3 1 Troubleshooting Guide Refer to Wiring Connection Diagram ...

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Page 6: ...terminals 5 Confirm if there is no dirt when repairing 3 2 2 OPERATION 1 Confirm the forward and reverse side of rotation 2 Confirm if LED rights ON Once battery pack is removed and attached press the switch handle otherwise LED does not right ON 3 Confirm the rotation of speed if it changes in proportion to the amount of pushing level on switch handle 4 Confirm if the rotation stops when releasin...

Page 7: ...7 4 Disassembly and Assembly Instructions Ref No 1A Procedure 1A Removal of Housing 1 Loosen a screw 2 Take out the plate hook 3 Remove nine housing screws ...

Page 8: ...embly and Driving shaftassembly 1 Take out the motor assembly with the driving shaft assembly from the housing 2 Separate the motor assembly from the driving shaft assembly with holding the motor mounting plate 3 Pull off the fixation cover assembly ...

Page 9: ...the stop ring removal pliers NOTE Make sure to pull out straight away Ref No 1D Procedure 1A 1B 1C 1D Removal or attachment of FPC Removal 1 Slightly pull up the connector NOTE Connector is not able to remove from the control PCB 2 Pull out FPC NOTE Make sure to handle FPC gently in order to avoid the breakage Attachment 1 Apply the grease on the places where insert into the connectors ...

Page 10: ...sembly Removal 1 Pull out the connector from the module assembly NOTE Make sure hold the connector at the bottom area Attachment 1 Apply the permalub grease around the tact switch and connectors NOTE Make sure to apply the grease to keep IP56 2 Insert the connector firmly ...

Page 11: ...11 Ref No 1F Procedure 1A 1B 1C 1D 1E 1F Removal of Fixation cover assembly 1 Take out the motor mounting plate assembly 2 Pull out the driving shaft assembly from the fixation cover ...

Page 12: ... Assemble the fixation cover and the driving shaft assembly 2 Check the condition of motor assembly and attach the above 1 3 Insert the above 2 into the housing 4 Connect the lead wires in 1 5 order as shown the figure 5 Place the lead wires properly ...

Page 13: ...13 5 Wiring Connection Diagram 6 Schematic Diagram ...

Page 14: ...Model No EY7546 Exploded View for EY7546 7 Exploded View and Replacement Parts List ...

Page 15: ...OTOR MOUNTING PLATE ASSEMBLY 1 5 WEY7546L1108 MOTOR ASSEMBLY 1 6 WEY7546K2007 SWITCH ASSEMBLY 1 7 WEY7546L2127 MODULE ASSEMBLY 1 8 WEY7547H3247 F R SELECTOR HANDLE 1 9 WEY7546K3338 OPERATION PANEL 1 10 WEY7543K3187 PLATE HOOK 1 11 WEY7441L6487 NUT 1 12 WEY7441K6217 SCREW 1 4 14 13 WEY7441K9038 TORX TAPPING SCREW 9 3 20 WEY9L40R2788 BATTERY PACK COVER 1 WEY9633K7010 TOOL CASE 1 WEY7550K8109 OPERATI...

Page 16: ...Model No EY7547 Exploded View for EY7547 ...

Page 17: ...WEY7546L1067 DRIVING SHAFT ASSEMBLY 1 8 WEY7546L0027 MOTOR MOUNTING PLATE ASSEMBLY 1 9 WEY7546L1108 MOTOR ASSEMBLY 1 10 WEY7546K2007 SWITCH ASSEMBLY 1 11 WEY7547L2127 MODULE ASSEMBLY 1 12 WEY7547H3247 F R SELECTOR HANDLE 1 13 WEY7546K3338 OPERATION PANEL 1 14 WEY7543K3187 PLATE HOOK 1 15 WEY7441L6487 NUT 1 16 WEY7441K6217 SCREW 1 4 14 17 WEY7441K9038 TORX TAPPING SCREW 9 3 20 WEY9L40R2788 BATTERY ...

Page 18: ...Model No EY7550 Exploded View for EY7550 ...

Page 19: ...OTOR MOUNTING PLATE ASSEMBLY 1 5 WEY7550L1108 MOTOR ASSEMBLY 1 6 WEY7546K2007 SWITCH ASSEMBLY 1 7 WEY7550L2127 MODULE ASSEMBLY 1 8 WEY7547H3247 F R SELECTOR HANDLE 1 9 WEY7546K3338 OPERATION PANEL 1 10 WEY7543K3187 PLATE HOOK 1 11 WEY7441L6487 NUT 1 12 WEY7441K6217 SCREW 1 4 14 13 WEY7441K9038 TORX TAPPING SCREW 9 3 20 WEY9L40R2788 BATTERY PACK COVER 1 WEY9633K7010 TOOL CASE 1 WEY7550K8109 OPERATI...

Page 20: ...Model No EY7551 Exploded View for EY7551 ...

Page 21: ...VING SHAFT ASSEMBLY 1 7 WEY7546L0027 MOTOR MOUNTING PLATE ASSEMBLY 1 8 WEY7550L1108 MOTOR ASSEMBLY 1 9 WEY7546K2007 SWITCH ASSEMBLY 1 10 WEY7551L2127 MODULE ASSEMBLY 1 11 WEY7547H3247 F R SELECTOR HANDLE 1 12 WEY7546K3338 OPERATION PANEL 1 13 WEY7543K3187 PLATE HOOK 1 14 WEY7441L6487 NUT 1 15 WEY7441K6217 SCREW 1 4 14 16 WEY7441K9038 TORX TAPPING SCREW 9 3 20 WEY9L40R2788 BATTERY PACK COVER 1 WEY9...