Multi Impact Driver Drill/Driver Restoration | National / Panasonic EZ6507 12V 1/4” 

National/Panasonic Multi Impact Driver 12 Volt
1/4” Hex Impact Driver or 1/4” Hex Drill/Driver
Made In Japan
Model # EZ6507 or EY6507
Extremely Rare!! Labels are all in Japanese
Features:
Tough, impact resistant housing
Powered by National/Panasonic's 12V "system" of battery packs
National/Panasonic built high performance motor with fan cooling delivers
maximum power and durability
Steel-planet transmission provide job site durability
Variable speed, Reversing, Electronic Brake
Feed-back circuit delivers maximum torque at all speeds
21-stage clutch for more precise torque setting plus Drill Mode
Specifications:
Chuck Type: Keyless Quick Bit Change 1/4" Hex
RPM Drill Mode: 0-650
RPM Impact Mode: 0-2,200
No-Load BPM 3,300
Clutch Torque 9 - 50 in-lbs (approx) 18 stages. 2.4 in-lbs per stage
Max Torque:
Drill Mode: 286 in-lbs.
Impact Mode: 1,100 in-lbs.
Capacity in Steel: 1/2"
Capacity in Wood: 1/2"
I bought this tool from Japan recycle shop only $15. It doesn't work anymore because the permanent magnet move and the battery is also dead.
I restore this tool by disassemble, clean every part, and rebuild new battery replacing NiMH by Li-ion battery cell.
I hope you find this video useful and enjoy it!
Furthermore, I am happy to receive feedback, suggestions to improve myself.
!!! I'm sorry for the mistake if I did in this video !!!
Thank you very much for choosing to watch my video!
Have a nice day
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