Panasonic EY78A1 Service Manual Download Page 14 | Manualshive

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5.2. Assembly Instructions

5.2.1.

How to attach the terminal

5.2.2.

How to reassemble spindle assembly and intermediate shaft assembly

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Summary of Contents for EY78A1

Page 1: ...CE Cordless Rotary Hammer Drill Driver Model No EY78A1 Europe Oceania TABLE OF CONTENTS PAGE PAGE 1 Warning 2 2 Specifications 2 3 Troubleshooting Guide 3 4 Trial Operation After Checking Troubleshooting Guide 7 5 Disassembly and Assembly Instructions 8 6 Wiring Connection Diagram 16 7 Schematic Diagram 16 8 Exploded View and Replacement Parts List 17 ...

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 ...

Page 7: ... No hammering when the drill bit touches something like concrete or hard type of wood block And confirm the forward and reverse side of rotation 4 2 Switch Change the rotation speed in proportion to the amount of pushing level on switch trigger 0 1000rpm 14 4V 0 1250rpm 18V 4 3 Clutch Check if the clutch torque changes suited for the number of clutch Check if the bit does not slip on Drilling mode...

Page 8: ...ructions 5 1 Disassembly Instructions 5 1 1 Remove chuck handle Take out a chuck cover and others in order 5 1 2 Remove C type spring and white felt 1 Remove C type spring 2 Remove a felt with tweezers Be careful not to break the felt ...

Page 9: ...9 5 1 3 Remove a clutch handle 1 Remove snap ring 2 Separate a clutch handle ...

Page 10: ...10 5 1 4 Remove the housing 5 1 5 Remove the piston applying power spring Be careful not to loose the spring when it is removed ...

Page 11: ...ve a motor rotor assembly 5 1 7 Take out the other blocks from the housing Motor carbon brush assembly switch assembly control PCB Intermediate shaft assembly Loose all blocks from the housing and then take out them ...

Page 12: ...12 5 1 8 Remove motor lead wires 5 1 9 Separate each blocks ...

Page 13: ...13 5 1 10 Separate motor carbon brush assembly Removal of the carbon brush assembly Hitch up two springs to the chase of carbon holder with tweezers 5 1 11 Removal of the gear box block ...

Page 14: ...14 5 2 Assembly Instructions 5 2 1 How to attach the terminal 5 2 2 How to reassemble spindle assembly and intermediate shaft assembly ...

Page 15: ...15 5 2 3 Caution for assembly ...

Page 16: ...16 6 Wiring Connection Diagram 7 Schematic Diagram ...

Page 17: ...Model No EY78A1 Exploded View 17 8 Exploded View and Replacement Parts List ...

Page 18: ...EY6813L4957 BEARING 1 6805LUX 19 WEY6803L0477 SNAP RING 1 RTW37 20 WEY6803L4067 SPINDLE ASSEMBLY 1 21 WEY6813L0327 O RING 1 P10A 22 WEY6813L0347 O RING 1 AS112 23 WEY7840L4907 CLUTCH ASSEMBLY 1 24 WEY6803L0087 CLICK PLATE 1 25 WEY7840L1247 PISTON ASSEMBLY 1 26 WEY6803L0977 O RING 1 27 WEY6803L0387 NEEDLE BEARING 1 28 WEY6803L4057 INTERMEDIATE SHAFT ASSEMBLY 1 29 WEY7840L1467 MOTOR ROTOR ASSEMBLY 1...

Page 19: ...cription Q ty Remarks 43 WEY6230K9216 TORX TAPPING SCREW 14 K3 20 5PCS PK 44 WEY7880L3417 SHOULDER BELT 1 45 WEY9HX403 BIT ADAPTOR 1 46 WEY7840K0208 FERRITE CORE 1 WEY9L40R2788 BATTERY PACK COVER 1 WEY78A1K7019 TOOL CASE 1 WEY78A1K8108 OPERATING INSTRUCTIONS 1 19 ...

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