Rotary Hammer Drill Restoration | Makita HR3520

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Rotary Hammer Drill Restoration Video
I found this hammer drill from japan recycle shop 18$. It doesn't work because of the armature doesn't move. After the restoration, this hammer drill works very well.
Power Tool Information
---------------------------------
MAKITA HR3520
Max.In Concrete 35mm
Core Bit Diameter(TCT) Max 79mm
Min 25mm
Joules 7.6Js
Blows per Minute 3,300bpm
No Load Speed 440rpm
Input Wattage 840w
Net Weight 5.8kg
I hope you find something useful & enjoy from this video!
I am happy to receive your feedbacks, advices, suggestions to improve myself.
!!! I apologize for the mistake if I have made in this restoration !!!
--------------Thank you so much for Likes & Comments--------------

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Опубликовано:

2 июл 2019

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Комментарии : 236

@robertoamaro5352 10 месяцев назад

The Ingersoll Rand 114GQC Air Hammer ru-vid.comUgkxqqoaX03nrziKwF7Bjjcc71YzLEleMvOS was just the tool I needed. I Use it to remove stuck bolts. If held at the right angle you can cut slightly into the bolt. Then turn the air hammer to where it will hammer the stuck bolt to unspin the bolt. Given a little practice it works great. This air hammer gives you the control needed to get the job done right. Very powerful yet still does not seem to have as much vibration as other guns I have used. One of the best I have gotten my hands on.

@Bk99JzM 8 месяцев назад

Witam.Super remonty wiertarek,szlifierek,wkretarek i innych urzadzen,perfekcja,prawdziwy majstersztyk,dobre rece czynia cuda,dokladnosc,rzetelnosc.

@joe1569 2 года назад

Close up camera work is fantastic. View is never obstructed-fantastic. Sped up time on screw removals is fantastic. These are the reasons why your videos are so darn good.

@jpaulstrange8914 3 года назад

Fantastic restoration, could I please ask my dad recently passed away , and left me his tools, he left me a similar drill, but the chisel function doesn't go up and down, only spins around. Could this be an easy fix or is it completely broken, really appreciate any help thank you

@DonnaMSchmid 5 лет назад

Fantastic, as always! It does my heart good to see these old tools being brought back to life!

@gear_show 5 лет назад

Oh, really!! I am glad to see your comment.

@beedebawng2556 5 лет назад

Excellent video. Thanks for the upload. I wish it were annotated to give neophytes like myself a better understanding of what we're watching.

@humayunsheriff8208 5 лет назад

Sir, really awesome mechanic u r. I'll salute 🙇‍♂️🙇‍♂️

@user-jo9rj3tq6v 5 лет назад

Шикарные труды! Молодчага!

@zerocks88 5 лет назад

what a smashing good time. thank you.

@Arachneko0127 4 года назад

万力でベアリング入れるのいいなぁ～いつも叩き込んで入れてた。参考にさせて頂きます！

@HeadCase55 5 лет назад

Yes!! I finished all your videos last night.

@gear_show 5 лет назад

Wow, thank you for watching!

@alejandrorolon7182 5 лет назад

Muy buena restauración, felicitaciones estimado ..

@Nickword1 5 лет назад

This man works fast!!!

@robocop6666666 5 лет назад

Lol loved the big hammer what I like about this site is it not too long and not too short ( the Goldilocks thing ) very interesting to watch thank you 🇬🇧

@user-fj6jy4xe9b 5 лет назад

Прекрасная работа! Мужчина руки растут от куда надо!

@jrand2631 5 лет назад

Great restoration - I didn't believe you would be able to make that electric motor work again. 👍👍👍

@gear_show 5 лет назад

Thank you 🙏🙏🙏

@synvalbaptistajunior6267 5 лет назад

Meus parabéns. Ótimo trabalho

@pedroalbertogonzalezlopez2112 5 лет назад

this is AWESOME!

@adriangarciahuaman415 4 года назад

Buen trabajo amigo, saludos desde peru

@carboumen7661 5 лет назад

Me encanta todo lo que arreglas...👍

@racma8698 5 лет назад

After this kind of work this machine should be much more expensive than a newone ! Congrad.

@namtech425 4 года назад

The bigger the problem the bigger the hammer. :D nice job on the restore - I love watching these vids.

@cider999 5 лет назад

Love your channel! Great job !

@lolcec81 2 года назад

Комментарий в поддержку канала и видео, а также труда мастера отреставрировавшего этот шуруповерт.

@DavidLopez-mc2wv 5 лет назад

Very good restoration, always very interesting.

@Kevin-gx8lc 5 лет назад

Excellent ! Greetings from Southport UK

@richiep102 4 года назад

Enjoyed that

@user-xo5bg8ze4c 5 лет назад

Gorgeous work 👍👍👍

@jt9498 5 лет назад

Excellent work!

@feketekrisztian1897 5 лет назад

Perfect work. Nice finish! Gratulation for you! Professional skill!

@gear_show 5 лет назад

Thank you 🙏🙏🙏

@MrVlassisd 3 года назад

Amazing restoration as always. Greetings from Greece. 👍

@LambeauLeeeper 5 лет назад

Money saving talent right there. Very nice sir!

@romanpaulgonzalez1190 4 года назад

Satisfaction 💯

@iztokpajk2470 4 года назад

Hi, I can not get enough of this video. :) Can you provide more details on your's, power cable to circular spring to brush connection? Around what does springy circular thing connect ? Only detail visible is air holes and copper shining.

@mred8002 5 лет назад

I use a vice grip pliers to hold bolts, washers, and nuts to the wire wheel. Saves fifty-two pick-up from the wheel launching these parts! Nice job.

@gear_show 5 лет назад

Thank you for sharing 👍

@Daanlikkewaan 5 лет назад

I would have thrown it away 5 minutes in. Great job!!

@robertobezerra8376 3 года назад

Profissional excelente tmj.

@hamidrezasadeghi9267 5 лет назад

clean and great job again nice job bro

@p.o.ls.h.o.w5768 5 лет назад

Крутая работа! Молочага

@pksaini909 4 года назад

Good very good

@frk380 5 лет назад

Wow that was nice big hammer

@danielm.4359 Год назад

Well thats what I call a Hammer drill!

@markharris5771 5 лет назад

As always a mind blowing restoration, but I have a couple of questions. The epoxy one has already been asked, but also why didn’t you use any filler for the worst of the pitting? Was it because of the levels of vibration the drill will go through? I know you’ll have a good reasons and asking the questions is in no way a criticism. As always compulsory viewing, thank you for posting.

@gchavsg1905 5 лет назад

Great restorations !! Your channel is awesome , like 👍

@gear_show 5 лет назад

Thank you :)

@somsaksuanghiran6676 Год назад

Makita model?¿???😁

@bertmenden2645 5 лет назад

Next time just re-varnish your armature, and stator windings, that's what the copper wires were coated in originally. The epoxy mix melts under heavy use, and makes a sticky mess, and if some gets on the commutator ruins the carbon brushes.

@johncitosanz1486 4 года назад

cierto solo barnizar y meter al horno unos minutos ...

@octaviogajardo1577 4 года назад

Excelente trabajo un abrazo desde chile

@gear_show 4 года назад

Thank you!

@leeashe4453 3 года назад

Great Restoration. I have the exact same tool. Have followed your restorations step by step and got mine working again. The only issue I am having is I'm getting a leak of transmission fluid at tool holder. Do you know if its easily replaced? Is it threaded?

@blackobsidian2618 5 лет назад

Well done 👍

@alonzosanchez8577 5 лет назад

Incredible Work I Subscribed. 👍👍👍👍

@trong6124 5 лет назад

Well Done!

@user-jr8gp2en9b 4 года назад

Very great job.

@glennmoreland6457 5 лет назад

Invest in an insulation tester... So you can properly verify field windings, armatures & comms...🇬🇧👍

@johncitosanz1486 4 года назад

cierto nesecita una morsa electrica para comprobar la calidad del aislamiento electrico del motor universal

@aboudisyrian 5 лет назад

Great job 👍👍👍👍👍

@mohamedalli4832 3 года назад

Good job buddy

@tiffany-pa2345 5 лет назад

Before even 5 seconds passed, i'ved pressed a like button, coz its gonna nice again.

@gear_show 5 лет назад

Thank you :)

@yeagerxp 5 лет назад

Very good restoration 👍👍👍. May I borrow it? I need to break some concrete in the backyard LOL

@stachycatabas873 5 лет назад

GOOD JOB😁

@seppeprod 4 года назад

Good job

@electromoris.......7871 5 лет назад

BELLÍSIMA

@01Roberni 5 лет назад

Show... serviço muito bem feito 🇧🇷🇧🇷🇧🇷😎🇧🇷🇧🇷🇧🇷

@gear_show 5 лет назад

Thank you!

@johnvaldez8830 5 лет назад

Dang, you did a great job on that. I liked how you got the rotor out and cleaned it up. Sweet.

@gear_show 5 лет назад

Thank you 🙏🙏🙏

@trabantfreak2370 5 лет назад

great video as useal.

@bertmenden2645 5 лет назад

Came out very well, nice job, it's useful again! Was going to praise you on pressing in new bearings instead of hammering then you pressed a bearing in partially with you vice (acceptable), but seat it by pressing on the inner race with a socket there by defeating the entire procedure. Also why spray lubricant on the cap screw heads, it doesn't reach the threads which need the lubricant to unscrew, and unless they are seated in a metal housing rather than plastic lubricant is of no use what so ever. Overall nice not overdone.

@bojidarvasilev8854 5 лет назад

Nice restoration , keep the spirit of the Channel 👍👍

@gear_show 5 лет назад

Thank you 🙏🙏🙏

@johnwright6706 3 года назад

Watching your videos is giving me the idea of doing similar to some tools that a broken. It's not like I'm going to break them trying to fix it since it's already a dead tool 😂

@gear_show 3 года назад

I'm glad this video help you!

@frick566 5 лет назад

Nice resto!

@qlimaxbass5022 5 лет назад

BIG wooden hammer xD Liked Hold it close never know when it needs again :D

@NM-xs1yr 5 лет назад

i think you still need sandplast chamber to safe your polishing time and will give better results

@mattamick1163 3 года назад

You do the best restorations! Can u do a gas powered concrete cut off saw( husqvarna/partner, makita/dolmar, hilti, stihl , etc)? Ive fixed and resold 24 , still have 2 great saws Hilti dsh600x w the pump and blade brake, and a restored ( personally) makita 7311 that was non running for $100. Runs great now thank God

@maxwang2537 2 года назад

Beautiful! I like 12:00, and the bearing pullers (both inner and outer) particularly. I hope I could one of this and restore one day. Where did you buy these pullers? Thanks.

@mpalaskokkalis1476 5 лет назад

Τέλειο το κομπρεσέρ .

@fourbyfourrox 5 лет назад

Superb 👏🇱🇰💯

@gavinfreedman5316 4 года назад

Just earned a sub

@John20111001 5 лет назад

Серьёзный аппарат!

@flyblu80 4 года назад

Hello I have a similar but older makita without clutch, from the 80s, the engine housing is square instead of round. I can't identify the model missing the plate. I wonder if there are online makita forums, I haven't found any

@yusufozdemir9392 4 года назад

Very nice restoration.

@gear_show 4 года назад

Thank you!

@malleusmaleficarum9248 5 лет назад

0:13 - Wake up Polly! Wake up, Polly Parrot... - He's not dead, he's resting.

@yeagerxp 5 лет назад

How do you defend yourself against a man attacking you with a banana? You shoot the man and eat the banana.

@ferraridinoman 4 года назад

He is no more!

@FM-xt9kh 3 года назад

yeagerxp فقپففعفيسييساا

@attilarza2488 5 лет назад

Mr. Sophistication

@user-vd7yx8kj2z 5 лет назад

Good work 😍😍💣💣💣

@gear_show 5 лет назад

Thank you 🙏🙏🙏

@user-vd7yx8kj2z 5 лет назад

Pardon my friend 😗😗😗

@zachikhothingo1 4 года назад

what are you using to clean the plastic casing??

@sksdanjar2.026 4 года назад

nice

@mariantheplug920 5 лет назад

Maybe the best tool repairing channel on youtube,very good job.What is the "glue"that you use on the armature,maybe a epoxy glue.And why you decide to use it here

@anonimointernetual6603 5 лет назад

The best restoration channel is "My Mechanics"! He does a great job on anything that he wants to restore! But the "gear show" restores very well too!

@mantaship 5 лет назад

Why the copper coils? Did you cut these off first and I not see it? What do these do? Great restoration as always. This beast is a war crime waiting to happen.

@Gilto 4 года назад

Good

@AlmightyKing2556 5 лет назад

What kind of puller set you using?

@mychaellvillarmoreira5773 4 года назад

Muito bom :)

@gear_show 4 года назад

Thank you!

@xl000 4 года назад

This would be more useful with some commentary, like why some elements need to be replaced, or the color of the grease or something.

@YeuienTuLKTMDIY 5 лет назад

em hỏi chút, dung dịch tẩy ốc vít tên gì ạ. Có phải RP7 hay ATM

@nurmadinata8436 5 лет назад

Great restoration your chenel is awesome like

@gear_show 5 лет назад

Thank you 🙏🙏🙏

@thabaldwookiee1692 4 года назад

I'm uneducated in these things what was the epoxy he put on the motor if anyone knows and what it does or is supposed to do. Great job man

@NOTAMV 4 года назад

One and two component epoxy adhesives, sealants and potting compounds offer toughness, high strength adhesion and cost effective performance in electrical motor and generator assembly applications. These compounds are designed to provide thermal stability, resistance to moisture, chemicals, vibration, impact and thermal cycling. Additionally, specific formulations provide superior electrical insulation properties, thermal conductivity and gap filling abilities. Source: Google

@WilliamFielhauer Месяц назад

Why you used transmission fluid instead the grease from Makita? Also, what is the product that you used to clean the motor rotor cavities? fantastic work. Thanks for the video.

@gear_show Месяц назад

Transmission oil performs better than grease. I use anti-rust spray to clean the motor rotor cavities

@tomdixon1213 5 лет назад

The bigger hammer was the hit of the show lol

@user-dx6pt9oo6h 5 лет назад

Hi gear show 👋👋👋very good restoration drill 👍👍👍 I watch your channel with admiration 🤝🤝🤝

@gear_show 5 лет назад

Hi Кошмар Кошмар 👋👋👋Thank you so much 🤝🤝🤝

@bennthabet 5 лет назад

well done how many days?

@oherman 5 лет назад

Now I want to go to my local junkshops and look for discarded tools to restore. Cept they'll be all 220v. Rather than see them get torn apart for metals, I'd like to restore it for my personal use.

@gear_show 5 лет назад

Oh nice to hear that 👍

@ciabanga1 4 года назад

Sorry but I have a question for you...why you don't use the sandblaster for this type of work??? Thank you....

@deivideduardomadeira9220 5 лет назад

Cará eu também dou manutenção em ferramentas elétrica temos umá oficina aqui no Brasil em Florianópolis está semana eu desmontei umá desta deu o Bicho foi para dar um jeito foi no oring do pistão funcionou está OK. Mas o problema é peças mas teus vídeos são Boms valeu é um forte abraço

@anonimointernetual6603 5 лет назад

Esse senhor, dono desse canal de restauração, é japonês; então ele não terá como lhe entender, se você não sabia... Hehe!

@xxnickthegreekxx 4 года назад

I have the hr5000k the big brother to this I’ve done a rebuild but used moly grease in the top I noticed you used transmission fluid, should I clean and use trans oil?