Panasonic EYFLA4AR Service Manual Download Page 4 | Manualshive

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Summary of Contents for EYFLA4AR

Page 1: ...LA5AR Cordless Impact Driver Model No EYFLA5QR EYFLA6JR Cordless Impact Wrench Europe TABLE OF CONTENTS PAGE PAGE 1 Warning 2 2 Specifications 2 3 Troubleshooting Guide 3 4 Service Fixture and Adjustment 6 5 Disassembly and Assembly Instructions 12 6 Measurements and Adjustments 21 7 Wiring Connection Diagram 24 8 Schematic Diagram 25 9 Exploded View and Replacement Parts List 26 ...

Page 2: ...ng point is 50 70 F 30 40 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 ...

Page 3: ...3 3 Troubleshooting Guide ...

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Page 6: ...6 4 Service Fixture and Adjustment 4 1 Check Parts Identify Procedure ...

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Page 9: ...gin flashing DISPLAY The letter F flashes on and off BATTERY INDICATION LAMP The upper and lower bars of the battery flash on and off 3 Press the OK button to accept the selected setting a The control panel will stop flashing and light up SETTINGS THE TOOL TO CONFIGURATION MODE 1 Turn off the control panel If the control panel is on remove and then reinsert the battery pack 2 Engage the switch whi...

Page 10: ...control panel will stop flashing and light up NOTE You must press the OK button in order for the selected setting to take effect SETTING THE SNUG POINT DETECTION LEVEL 1 Press the torque setting mode button a The snug point detection level setting value will be displayed 2 Press the and buttons to set the best snug point detection level for the work you are performing 3 Press the OK button to acce...

Page 11: ...ou press the OK button 5 After changing the setting be sure to check the new setting value IMPORTANT INFORMATION 1 You can set the snug point detection level and retightening prevention time at the same time by changing the retightening pre vention time before pressing the OK button and then pressing the OK button 2 Pressing the torque setting mode button toggles the display between the snug point...

Page 12: ...ghtening fixation cover 2 Pull off the fixing cover assembly 3 Once removing the fixing cover the driving shaft assembly may come out Ref No 1B Procedure 1A 1B Removal of bit holder EYFLA4A and EYFLA5A only 1 Remove C type ring by the stop ring pliers 2 Once removing C type ring thrust plate bit holder spring bit holder and steel balls may come out ...

Page 13: ... in the housing B and pull it out from the hous ing A the ribbon cable may be defected NOTE The housing A and B is tightened as themotor mounting base is joint fitting Hold the housing B and take it out vertically Ref No 1D Procedure 1A 1B 1C 1D Removal of ribbon cable 1 Slightly lift up the connector NOTE Do not pull the connector firmly because it is not able to take out completely 2 Take out th...

Page 14: ...shaft assembly 1 Take out two steel balls by pressing with vise NOTE Set another hammer on the reverse side next to the original ham mer When pressing the driving shaft assembly by vise do not take out the planet gear If failure to do so it may crack the shaft 2 Pull out two steel balls 3 After removing steel balls the assembled parts can be removed one after another Hammer 29pcs of Steel balls Th...

Page 15: ...uck around the rotor If so take out by something like packaging tape 2 Insert the motor rotor into the stator Ref No 2B Procedure 2A 2B Assembly of Driving shaft assembly 1 Assemble the individual part in reverse order of disassembly 2 Apply the grease DOUBREX WEY002X8977 on the hammer and the driving shaft ...

Page 16: ...re 2A 2B 2C Assembly of Module assembly 1 Set the DIP switch on the main circuit board with a toothpick NOTE Do not use a metal pick Condition varies with the torque by model NOTE Confirm if LAR is printed on the main PCB ...

Page 17: ...eign substances 3 Slightly lift the connector up NOTE Do not pull the connector forcefully It does not separate from the other connector 4 Insert the ribbon cable into the motor stator and the main PCB NOTE Make sure to handle the ribbon cable gently in order to avoid the breakage 5 Insert the quick connect terminal of motor lead wire black into the side of terminal block 6 Insert the connector of...

Page 18: ...cable 4 Slightly lift up the LED assembly and set the wire of transmitter under the LED assembly NOTE Confirm if the lead wires and the ribbon cable fit the properly without getting caught in When wrapping the transmitter in a cushion place the transmitter and keep the space showed with a halftone on a left side of figure sown below Locate the wire of transmitter on the corner Make sure that the c...

Page 19: ...nd driving shaft assembly into the housing 3 Confirm to set the motor lead wire red under the black lead wire and confirm if there is no pinching with switch 4 Place the battery terminal lead wire black is over the wire red prop erly NOTE Press fit the lead wires firmly Place the ribbon cable properly without getting caught in the lead wires ...

Page 20: ...housing screws 3 Apply the grease DOUBREX WEY002X8977 all around the anvil 4 Assemble the slider to the clutch handle Confirm it has its own direc tion 5 Place the anvil into the clutch handle 6 Apply the grease DOUBREX WEY002X8977 on the rear side of fix ation cover 7 Attach the fixation cover 8 Tighten four screws ...

Page 21: ...ushing level on switch trigger There should be no metallic sound and abnormal sound when shaking up down and right left There should be no abnormal vibration C TOOL SETTING Engage the switch briefly to reactivate the display and select the model by pressing the remote control Confirm if all lamps are lid for one second and indicate the proper display for three seconds D TORQUE SETTING Set the snug...

Page 22: ...TOOL 6 Select 0 button GROUP A 7 Set CHANNEL 1 NOTE Confirm all channel from 1 to 12 8 Press ENTER button NOTE Skip next procedure from the second channel 9 Press ENTER button 10 Remove Battery Pack from the main unit 11 Press the switch handle NOTE Do not operate while data saving showed on the screen 12 Press the right bottom button 13 Press RETURN button C Testing 1 Start No load operation of t...

Page 23: ...firmation of signal 1 All procedure from A to C are done take off the power code of QUALIFIER Confirmation of signal 2 Press the switch handle of main unit twice NOTE Keep pressing the switch handle about 20 seconds at the second time 3 Confirm if E9 is showed on the main PCB ...

Page 24: ...24 7 Wiring Connection Diagram ...

Page 25: ...25 8 Schematic Diagram ...

Page 26: ...26 9 Exploded View and Replacement Parts List 9 1 EXPLODED VIEW for EYFLA4AR ...

Page 27: ...20 WEYFLA1AL137 SPRING FIXING PLATE 1 21 WEY7540L1137 DRIVING SHAFT 1 22 WEY2602B1357 PLANET GEAR 2 2PCS PK 23 WEY6506L1346 PIN 2 2PCS PK 24 WEYFLA1AL007 MOTOR MOUNTING PLATE ASSEMBLY 1 25 WEYT611L0967 O RING 1 43 6 1 3 26 WEYFLA1AL497 BEARING 1 27 WEY7205L0037 MOTOR MOUNTING PLATE 1 28 WEYFLA1AL147 MOTOR ROTOR ASSEMBLY 1 29 WEYFLA1AL118 STATOR 1 30 WEYFLA1AK207 SWITCH ASSEMBLY 1 31 WEY7540L2157 B...

Page 28: ...28 9 3 EXPLODED VIEW for EYFLA5AR ...

Page 29: ...NG 1 20 WEYFLA1AL137 SPRING FIXING PLATE 1 21 WEY7540L1137 DRIVING SHAFT 1 22 WEY2602B1357 PLANET GEAR 2 2PCS PK 23 WEY6506L1346 PIN 2 2PCS PK 24 WEYFLA1AL007 MOTOR MOUNTING PLATE ASSEMBLY 1 25 WEYT611L0967 O RING 1 43 6 1 3 26 WEYFLA1AL497 BEARING 1 27 WEY7205L0037 MOTOR MOUNTING PLATE 1 28 WEYFLA1AL147 MOTOR ROTOR ASSEMBLY 1 29 WEYFLA1AL118 STATOR 1 30 WEYFLA1AK207 SWITCH ASSEMBLY 1 31 WEY7540L2...

Page 30: ...30 9 5 EXPLODED VIEW for EYFLA5QR ...

Page 31: ...PK 17 WEY6506L1346 PIN 2 2PCS PK 18 WEYFLA1AL007 MOTOR MOUNTING PLATE ASSEMBLY 1 19 WEYT611L0967 O RING 1 43 6 1 3 20 WEYFLA1AL497 BEARING 1 21 WEY7205L0037 MOTOR MOUNTING PLATE 1 22 WEYFLA1AL147 MOTOR ROTOR ASSEMBLY 1 23 WEYFLA1AL118 STATOR 1 24 WEYFLA1AK207 SWITCH ASSEMBLY 1 25 WEY7540L2157 BATTERY TERMINAL BLOCK 1 26 WEYFLA1AL207 RIBBON CABLE 1 27 WEYFLA1AK337 OPERATION PANEL 1 28 WEYFLA4AL218 ...

Page 32: ...32 9 7 EXPLODED VIEW for EYFLA6JR ...

Page 33: ...PK 17 WEY6506L1346 PIN 2 2PCS PK 18 WEYFLA1AL007 MOTOR MOUNTING PLATE ASSEMBLY 1 19 WEYT611L0967 O RING 1 43 6 1 3 20 WEYFLA1AL497 BEARING 1 21 WEY7205L0037 MOTOR MOUNTING PLATE 1 22 WEYFLA1AL147 MOTOR ROTOR ASSEMBLY 1 23 WEYFLA1AL118 STATOR 1 24 WEYFLA1AK207 SWITCH ASSEMBLY 1 25 WEY7540L2157 BATTERY TERMINAL BLOCK 1 26 WEYFLA1AL207 RIBBON CABLE 1 27 WEYFLA1AK337 OPERATION PANEL 1 28 WEYFLA4AL218 ...

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