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Battery Rebuild & Refresh Vintage Cordless Impact Wrench | Makita 6900D
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- čas přidán 20. 03. 2023
- I'm really happy when I first see it, but after looking inside it's an old model cordless impact wrench by MAKITA. There is also a charger in the box. The only one problem is the dead battery. I try to revive the battery, but the charger doesn't charge it. Finally, I rebuild this battery by replacing new battery cells.
MAKITA CORDLESS IMPACT WRENCH - 6900D
Motor DC 9.6V
No load speed(R.P.M.)
- In high speed (Punching :2000-time/min.) 1,500/min
- In low speed (Punching : 1500-time/min.) 1,300/min
Square drive dimension (mm) 12.7 mm
Max. fastening torque (kg-cm) 1,000 kg-cm (When the M12 high force bolt is being fastened for 8-sec.)
Bolts which can be used for fastening
- Normal bolts (F4T) M8-M14
- High force bolt (F8T-F11T) M8-M10
Weight (including a battery)(kg) 1.7Kg
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
Gear Show
good restoration. nimh batteries are actually very good. One problem is cell imbalance. One way to correct the imbalance is to solder a 1k ohm shunt resistor across all the cells to be permanently balanced at 1.2 milliamps. the information is from the internet old satellites that operated with nickel batteries.
Never heard about this trick. Have to look into it. Thanks!
Oh, that is great tip, thank you!
Where can read more about this balancing hack?
Thanks!
@@gear_showit has power that tool to be able change a tyre on car or even other rusty bolts of a car?
انت رائع جعلت من مفك قديم اله جديد You are amazing, you made an old screwdriver a new machine
2 things made me interested in your videos.
1. I like the way you restore, perfectionist.
2. I am a person who is obsessed with Japanese brands, especially Japanese powertools brands.
Thanks for your amazing videos.
I'm you like Japan tools.
I thought for a brief second it was me who commented, but it is my first time seeing this video 😂
@@gear_showJapan tools are the absolute best 👍
Japanese tools are garbage bruh ahahahhhhhhhh
This thing which I can only describe as a toy would struggle to loosen a 13mm my Milwaukee can take lug nuts like it’s nothing
Nice!!!
Nickel metal Hydride is actually an improvement over the old Nickel Cadmiums, or Ni-Cads, some people called them....
Tell me you are old, without telling me you are old.... Okay, I owned that tool. It was very nice, and desirable when new. I had that, and a 7.2 volt cordless drill-screwdriver type tool. Both were super nice. I have been a Makita fanboy ever since. I was pretty young then... those were really cool tools back then... Our minds were blown wide open when Makita came out with battery powered tools that really worked, and provided legitimate power & performance for real work....
Great job on this one!
Thank you :)
Perfect refurbishing of both the power tool its self and the battery as well. And since you did rebuild everything, you now have a tool that will last for years. I too enjoy rebuilding such power tools, but usually I buy used DeWalt types that are in need of repair and repair them so all my tools use the same battery types and chargers... Thumbs Up!
l
It's interesting to see the evolution of power tools, and clean and well thought out the designs were at the start. Now they all must have clunky external batteries, rubber grips that fail quickly, and are required to look like a ray gun that was taken off a space ship. Great job on this restoration, you did that beautiful tool justice!
Thank you for sharing!
@@gear_show
How much is this drill....thank you
You can't beat quality. I bet if the batteries hadn't failed and become obsolete, most of those old Makitas would still be in use.
These tools never become obsolete as long as someone restores or retrofits them. Li-ion conversion with USB charge connection installed would be peace of cake on these tools.
I bought 2 of the 9000 series drills a few years back at a flea market. Just needed to wire brush the contacts and get replacement battery packs (eBay $12 each). Love them and been using them for 2 or 3 years now with zero problems. Great tools!
@@Teknopottu م.
@@user-ex1qq9le1qWhat does this mean, I don't understand?
Always a pleasure to watch Mr. Gear Show 😊. Thanks bud. 😎
Glad you enjoyed it
Gear Show ⚙️ 오래전에 구독했고
항상 시청하고 대단한 복원이네요
🇰🇷 south Korea 에서 잘보고 있습니다
감사합니다!
I have been following you for a long time, but I love your content and what you offer, as it is a very wonderful work. Thank you
You are so welcome!
how nice this used to be, a battery case that you can actually disassemble to fix such ,i don't think any manufacturer even does this today
That feeling when the new batteries go in and you snap the casing back in a great feeling also because you diy and save money.
Very good restoration 👍👍👍Thank you for sharing. Be safe🇨🇦
You're very welcome.
Beautiful work, Gear Show-San.
Thank you very much!
I have a dozen virtually useless Makita battery powered tools. Can you make and ship refurbished 4.8 , 7.2, 9.6 batteries to Canada? Will you get the spring and stake a Ball in the chuck to retain sockets? Very very nicely done Sir.
Why not retrofit them with Li-ion batteries and USB charge connectors? 4,2V, 8,4V and 12,6V should be close enough to make them work.
@@Teknopottu Do You have a small spot welder and a shop that sells those batteries? I don't.
@@Teknopottu USB does not charge above 5.5 volts.
@@gordbaker896 you asked to make and ship refurbished batteries with old chemistry NiMh cells so why not ask someone to refurbish your own batteries with lithiums cells instead?
@@gordbaker896 If getting a 100€ spotwelder and used cells from everywhere is your biggest problem then great, you are almost there!
Regular USB uses 5V that can be boosted with a converter chip on any constant voltage required, cost couple of euros. You could also use USB-C with fixed voltage trigger to get 20V and with buck converter drop it to desired voltage if beefier charger is needed.
Nice video.happy to see you using NiMH batteries for a change
Love to see the quality of the channel going up. This is some quality content man, love it.
Glad you enjoy it! thank you!
Great repair
Thanks
The only restoration channel I like
What a beautiful tool well done.
Thank you very much!
Лучший спасибо за потраченное время!!!
Всегда пожалуйста.
10:54 Муха села на варенье - вот и всё стихотворенье.
vintage video with all original parts ❤️
I'm glad you like it.
now thats a childhood gun
You’re right…you really did lucky with this one 😍😍😍
Thanks
Thanks for the close ups.
Greetings from Poland
I had a Makita like this it was so old it was actually before they had changed to their new blue color It was red.
They make tools of all sorts and colours here in the UK although like 90% of their tools are teal blue you still see either red, orange or green in rare cases BUT in Japan Makita's home country they have all sorts of colours. if you look for Japanese imports of Makita tools you can easily find black/white/grey/yellow/purple/orange etc...
Muito bom e detalhista o serviço, as ferramentas recuperadas são vendidas ou ficam no acervo pessoal ? Aqui no Brasil ferramentas caríssimas, impostos absurdos
Obrigado por compartilhar.
Awesome restoration, awesome content, good job, bro 👍👍♥️♥️😎😎😘😘
Thank you so much 😀
I did a similar job with a DEWALT nickel-cadmium screwdriver. Unfortunately, the new batteries bought on Aliexpress turned out to be of poor quality. 😞
I didn’t try again, I bought a new screwdriver with lithium batteries. 🙂
You did a good job, Like.
You could try with old laptop batteries. Many cells from them are still 90% of their original capacity. All you need is Liitokala or similar battery charger/tester costing about 20€ and sort out the bad cells. There are lots of videos about it, been doing this for years.
@@Teknopottu + charging controller, preferably balancing. Lithium 18650 have a different size, they did not fit well in the battery case, I was too lazy to redo it 🙂
So nice and very good video I like Muhammad Latif master Lahore Pakistan
10:54 "...you beginner luck!" - Mr. Miyagi
This fly bothered me from the first minute
Awesome restoration 👍👍
Thank you!
For cost and simplicity reasons. Lithium batteries don't ship well to many places.
I rebuilt mine with Lithium-ion 18650 cells works great and using an RC charger to charge the pack. its 9.6v nicad so i used 3 18650 cells in series for 10.8 volts works great and is now very light in weight. can be done to 7.2v nicad pack using 2 cells of 18650 in series.
That is great, thank you for sharing!
thats lookslike a rs550 motor it should not problem using 12v or 18v right
@@billykulim5202 the motor can take higher voltage..but typically high voltage is problem with variable speed trigger circuitry if single speed trigger should be ok
Makita would like to buy that back 😂😂
Haha I hope so :)
TOP! I like the sound of your videos!😀
Hello mister beautiful restoration good job well done
Thank you very much!
Wow comgratulation
Thanks
Great work sir nice video thanks thanks for sharing
You're welcome.
Nice
Thanks
Oh Boy Here We Go
Okay, thanks
thank you teacher❤❤❤
Great job, thank you brother. You are so talented
You're welcome, thank you!
Всегда очень интересно смотреть. Удачи вам.
Рада что тебе понравилось.
"We're not worthy, we're not worthy" - Fly (R.I.P.)
สุดยอดมาก 😮
ขอบคุณ!
It’s perfect
Increíble restauración
Вот так просто сновья угробить ячейки никель-кадмиевые) отличная работа😂
Отлично все у тебя.
A new battery for this machine is $22, the cells alone are ~$45
It doesn't pay to do it yourself unless you are in China and get the cells very cheap.
But a nice old machine. 👍
Качественную дрель стоит реставрировать
Спасибо!
I tried to make a lithium ion battery for this model. As a result, under heavy load they caught fire. Returned it back, ni-cd and everything is ok.
Well done 👍🏻,what a clean and perfect restoration, what grease type did you use this orange yelowish one?!! Keep up the good work
Cadê as furadeiras de impacto
Thank for sharing ❤
Thanks for watching!
Nice repair. I hope the Ni-mh batteries last. I bought some from China and they were useless. The bush on the anvil nose may be designed to soak up oil. If it is you need to leave it in an oil bath over night before fitting it.
Thanks for the info
Bela restauração, parabéns
Which model of electronic screwdriver do you always use in the videos?
J'aimerai bien voir une restauration de visseuse avec des cellules 18650 ce serai cool plutôt que de remettre des neuves en Ni-Mh?
This has already happened, a repeat of the video!
@gear show do you clean the parts with unleaded gas
I clean the parts with gasoline.
You should send that to the Torque Test Channel haha
Yes, that good idea.
А пищалка на современных зарядка можно было бы тоже сделать или только для японцев?
Muy buen video y buena herramienta, de cuántos Newton de potencia es? Saludos desde Argentina
You can find it in detail here www.makitapro.ru/u/spares/repair/6900D-TE.pdf
Хорошая реставрация, НО при обратной сборке неправильно установил резиновое кольцо около подшипника 😢быстро выйдет из строя. Еще можно было бы подумать о переводе на литий 3S1P место вроде позволяло.
Спасибо, что заметили недостающую точку
👍
What manufacturer is the screwdriver bit? is it ph00?
what's lubricating grease you use.?
why didn't you restore the charger and storage case?
The charger is remaining good.
The has already happened , repeat of the video!
🧐👍👍👍
At the beginning of the Video I thought "I hope he doesn't". Hopefully he doesn't build a big, ugly 18V Battery Pack behind it. Fortunately not. 🤣 Well done !
IN MEMORY OF Fly
10:54 stuck mosquito 🪰
hay quá bác ơi
❤
Berasa liat iklan "harpic"
What for grease it is?
Must be a Japanese exclusive because these do not seem to exist in the us, looks pretty stout
お疲れ様です✌️
Ok❤❤❤
Chulada
do you know what year it was produced thank you. hope someone can help me
I don't about this too, sorry.
Sir, what type of grease you use??
My best guess would be gear grease, hi temp.
Not happy - F/R switch have some dust😂
I'm sorry about that
@@gear_show just clean it next time 😁
❤❤❤❤❤
I hope that charger is designed to charge NiMh chemistry?
Ni-cd and Ni-mh batteries use the same charger
😬👍🏻
Có bán pin ko sop
Is it's not possible to convert this type to lithium?
yes but. he wants it completely original!
Yes, it is possible to convert it.
@@alexandres8846 I have not seen him convert this type I don't know if the voltage is would be too far different or fitting inside the shell
@@jusb1066 3 li-on cells 3.7x3=10v, (1500mha up to 3000mha) which is fine.... i thing the problem is the charger....other than that, i have no idea, why our host choose to restore to an unreliable battery solution.... never the lest, great video!
@@thelichisdeath yes I would be interested to see if you can get a useful capacity of lithium and a balance control board in there. Yes the charger itself would probably have to be gutted for a modern board inside.
👍💯
Bán mình con này mình ở Lào cai
Nic
Все хорошо, но я бы переделал батарею на литий, и модернизировал зарядное устройство. Это был бы более совершенный ремонт. Никель давно устарел
Да, спасибо за ваш отзыв.
👌
Show 👏👏👏👏👍
Next convert it to li-ion.
You can see it here czcams.com/video/Zl9MclFz4MA/video.html
No no no no..Never use anything else but 18650 cells
Battค 1:50
I looked at a dead fly for 9 seconds wtf