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Panasonic EYFLA4A, Service Manual

The Panasonic EYFLA4A is an exceptional power tool with a wide range of applications. To ensure optimal usage, download the Operating Instructions Manual for free from manualshive.com. This comprehensive manual provides detailed guidance, ensuring you master the tool's features and operations effortlessly.

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6

4 Service Fixture and Adjustment

4.1.

Check Parts Identify Procedure

Summary of Contents for EYFLA4A

Page 1: ...pact Driver Model No EYFLA5Q Model No EYFLA5B Model No EYFLA6J Model No EYFLA6B 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 20 7 Wiring Connection Diagram 21 8 Schematic Diagram 22 9 Exploded View and Replacement Parts L...

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 ...

Page 4: ...4 ...

Page 5: ...5 ...

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

Page 7: ...7 ...

Page 8: ...8 ...

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: ... 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 19: ...e housing screws 3 Apply the grease DOUBREX 002X8977 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 002X8977 on the rear side of fixation cover 7 Attach the fixation cover 8 Tighten four screws ...

Page 20: ...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 21: ...21 7 Wiring Connection Diagram ...

Page 22: ...22 8 Schematic Diagram ...

Page 23: ...23 9 Exploded View and Replacement Parts List 9 1 EXPLODED VIEW for EYFLA4A ...

Page 24: ...EYFLA1AL017 HAMMER SPRING 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 ...

Page 25: ...25 9 3 EXPLODED VIEW for EYFLA5A ...

Page 26: ... 19 WEYFLA2AL017 HAMMER SPRING 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 SW...

Page 27: ...27 9 5 EXPLODED VIEW for EYFLA5Q ...

Page 28: ...602B1357 PLANET GEAR 2 2PCS 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 OPERAT...

Page 29: ...29 9 7 EXPLODED VIEW for EYFLA5B mmp ...

Page 30: ... 1 16 WEY2602B1357 PLANET GEAR 2 2PCS PK 17 WEY6506L1346 PIN 2 2PCS PK 18 WEYFLA1AL007 MOTOR MOUNTING PLATE ASSEMBLY 1 19 WEYT611L0967 O RING 1 20 WEYFLA1AL497 BEARING 1 21 WEY7205L0037 MOTOR MOUNTING PLATE 1 22 WEYFLA1AL147 MOTOR ROTOR ASSEMBLY 1 23 WEYFLA5BL118 STATOR 1 24 WEYFLA1AK207 SWITCH ASSEMBLY 1 25 WEY7540L2157 BATTERY TERMINAL BLOCK 1 26 WEYFLA1AL207 RIBBON CABLE 1 27 WEYFLA1AK337 OPERA...

Page 31: ...31 9 9 EXPLODED VIEW for EYFLA6J ...

Page 32: ...504L1357 PLANET GEAR 2 2PCS 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 OPERAT...

Page 33: ...33 9 11 EXPLODED VIEW for EYFLA6B ...

Page 34: ...1 16 WEY6504L1357 PLANET GEAR 2 2PCS 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 WEYFLA5BL118 STATOR 1 24 WEYFLA1AK207 SWITCH ASSEMBLY 1 25 WEY7540L2157 BATTERY TERMINAL BLOCK 1 26 WEYFLA1AL207 RIBBON CABLE 1 27 WEYFLA1AK3...

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