Panasonic EY7880 - 28.8V ROTARY HAMMER Service Manual Download | Manualshive

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2

1 Warning

Caution:

• Pb free solder has a higher melting point that standard solder; Typicall the melting 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

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Summary of Contents for EY7880 - 28.8V ROTARY HAMMER

Page 1: ...f law Order Number PTD0709X41CE Cordless Rotary Hammer Model No EY7880 Europe 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 14 7 Exploded View and Replacement Parts List 15 ...

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 Refer to WIRING CONNECTION DIAGRAM ...

Page 4: ...4 ...

Page 5: ...5 ...

Page 6: ...6 3 1 Trial Operation After Checking Troubleshooting Guide ...

Page 7: ...n the support handle and take it out from the unit 3 Pluck the chuck cover depressing the chuck handle NOTE If it is hardly to take out use the slotted head screwdriver 4 Remove the chuck handle 5 Take out a steel ball pushing the chuck spring with the chuck spring plate 6 Remove the chuck spring plate and the chuck spring Ref No 1B Procedure 1A 1B Removal of the housing 1 Remove 14 housing screws...

Page 8: ...age Ref No 1D Procedure 1A 1B 1C 1D Removal of the motor assembly 1 Hitch the brush spring to the frame by something like a forceps and take the motor brush assembly with the switch out from the motor assembly 2 Take out the rotor and the current plate from the motor case For assembling NOTE Make sure to return the spring into the groove of the motor brush Make sure to set the motor case faced the...

Page 9: ...block with a plastic hammer to take out the spin dle and clutch block assembly 6 Take out the snap ring on the rear side of the bearing 7 Take out two pins by using absorption force about 30N magnet from the clutch block 8 Take out four steel balls and remove the spindle piston assembly 9 Remove the striker with the O ring and the O ring And take out the bearing 10 Take out the piston block And ta...

Page 10: ... on the end of intermediate shaft assembly 6 Insert the reciprocation bearing shaft into the hole of universal cou pling Make sure two thrust plates should be set both side of reciproca tion bearing shaft one of each 7 Assemble the intermediate shaft assembly into the gear case from the motor side first NOTE Apply grease especially for the connection area between reciproca tion bearing and univers...

Page 11: ...e 2 Insert a ball pushing down the chuck spring 3 Inject an adhesive such as Cemedine SX720WH and wipe off to bury the gap between the gear case A and B in order to prevent the leakage of grease inside of gear box NOTE Make sure an adhesive is completely dried before assembling the driving block into the houshing ...

Page 12: ...2C Assembly of driving block into housing 1 Set the H D handle to HAMMER mode 2 Set the H S handle in between HIGH and SOFT model 3 Insert the gear case assembly into the housing 4 Connect the switch assembly with motor lead wires ...

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

Page 14: ...14 6 Schematic Diagram ...

Page 15: ...Model No EY7880 Exploded View for EY7880 7 Exploded View and Replacement Parts List ...

Page 16: ...WEY7880L0337 O RING 1 φ3 2 18 WEY6813L0907 PIN 4 φ5 4 4PCS PK 19 WEY6813L0067 CYLINDER 1 20 WEY6813L1397 POWER GEAR 1 21 WEY6813L0927 CLUTCH SPRING 1 22 WEY6813L0207 THRUST PLATE 1 23 WEY6813L0217 SNAP RING 1 φ30 24 WEY6812L0386 BEARING 1 25 WEY7880L1247 PISTON ASSEMBLY 1 26 WEY7880L4627 HAMMER 1 27 WEY6812L0976 O RING 1 28 WEY7880L1987 PISTON 1 29 WEY6812L0846 THRUST PLATE 2 2PCS PK 30 WEY7880L12...

Page 17: ... WEY7880L0507 PIN 1 3 34 55 WEY7880L0167 PLATE SPRING 1 56 WEY7880L0187 SPRING 1 φ4 8 57 WEY7880L0287 PIN 1 3 5 60 58 WEY7880L3147 F R HANDLE 1 59 WEY6813K4626 AUXILIARY HANDLE 1 60 WEY6813H3927 GRIP 1 61 WEY6813K4636 SUPPORT HANDLE 1 62 WEY6813H7726 DEPTH GAUGE 1 63 WEY7880L4157 SWITCH ASSEMBLY 1 64 WEY7880L2157 BATTERY TERMINAL BASE 1 65 WEY7880L3137 TRIGGER COVER 1 66 WEY7880L3957 LED COVER 1 6...

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