Bosch Brushless Drill TEARDOWN & Rebuild GSB 18v-50 - Burton Builds

Teardown and Rebuild of the Bosch GSB 18v-50 Brushless drill
⭐️⭐️ Review and TESTING here • Bosch Brushless Drill ...
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S05E16
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[@engel2010je]

Thank you so much for all these video teardown ! I really love and appreciate,specially dewalt tools !

[@GrantBurton]

Hi, thanks very much. Always good to hear that others are finding the videos useful.

[@JohnNy-ni9np]

What type of grease you would use to lubricate the gearbox ?

[@brendan4401]

Great video. Very thorough and informative.

[@GrantBurton]

Hi Brendan, thanks very much.

[@aicisha]

Nice teardown, nice close-ups, nice explanations! Thank you!

[@GrantBurton]

Thanks very much 😁😎🤩

[@aicisha]

@@GrantBurton 12:40 yes, that PCB looks quite repairable for anyone with basic electronic tools and moderate troubleshooting skills. And those transistors that drive the motor, if they are quality MOSFETs, they can handle a lot of thermal stress that will not shorten their lifetime. The lack of an aluminum heatsink is not always a red flag, that PCB may be multi-layer and under the MOSFETs there could be many thermal vias to dissipate the heat into inner copper areas.

[@TanvirKabir0461]

You looks so polite👌🏼 and caring too...

[@GrantBurton]

Thanks very much.

[@sinancosgun4063]

Cok guzel anlatım sizin gibi anlatan yok benim bir sorum olacak yeni aldim bende bu matkaptan ve sıkıntı oldu matkap kendini korumaya qliyor 3 -5 dk sonra normal oluyor çalışıyor.

[@IsnewTseng]

Great video. 👍👍

[@GrantBurton]

Thanks 👍

[@robertcasey3528]

04:51 So when you throw your drill into your truck, bag whatever is doesn't accidentally hit the trigger and run the battery down.

[@cesarhoyos6955]

Good video 👌

[@GrantBurton]

Hi Cesar, thanks very much 😊

[@Manuelatube1]

Absolutely the best tech video I've ever seen 👍🏻👍🏻👍🏻

[@GrantBurton]

Hi Manuela, thanks very much 😁 There are also others like this on my channel if you like. Thanks for leaving a comment.

[@dennisbhoomi5783]

Excellent Teardown Video. Can you please do a teardown of Bosch Grinder GWS 30-230 B PROFESSIONAL, which has brushless motor.

[@GrantBurton]

Hi Dennis, thanks for your comment. I do a teardown video if somebody were to send one over. I don't have one on hand to teardown. I see the GWS 30-230 is a corded machine.

[@israelfandal4072]

Hello friend! Congratulations on the channel! My 18v50 has the chuck out of alignment, but I identified that it could be the collets that have the slots out of sync. How do I open the chuck? I was able to remove the ring and the metal cover, but I couldn't get any further than that!

[@GrantBurton]

Hi, I haven't actually taken apart one of these chucks on the Bosch drill before so can't give any further guidance but if you do find out how to open it. please let us know how.

[@randallcrisp3266]

Mooi teardown oom Grant. And I am about to buy one

[@GrantBurton]

Hi Randall, thanks for the comment. Once you get it and have used it, please let everybody know what you think and if you are happy with the purchase. Guessing you also saw the review video I made of this drill?

[@randallcrisp3266]

@@GrantBurton just picked it up. Surprised by how compact it is next to the gsb120! I'll be 3d printing some battery mounts for the 2 extra batteries once loadshedding eases up. I can't believe I waited this long

[@GrantBurton]

It is pretty compact when you think of how much power it delivers... Drills and Impact drivers are getting pretty impressive these days. Are you 3D printing battery mounts as a wall storage solution or did you have something else in mind?

[@randallcrisp3266]

@@GrantBurton truly impressive size to output ratio. Yep 3d printing mounts for both. 2 x battery mounts and an undercounter holster type mount for the drill with a battery. I found one design that hangs the drill upside down by its battery mount but I prefer to just grab and go.

[@blinertasholli1280]

Hi, can you elaborate on what exactly makes the drill not spin while changing whatever you want to put on it? There must be some kind of mechanical brake that prevents you from spinning the motor manually right? (or is the planetary gearbox enough so that you could never spin such a gear-ratio manually?)

[@MohamadSayadiFars]

I like it I wish you work with it to see how this device is in the practice

[@GrantBurton]

Hi Mohamad, there is a a basic review video of the Bosch GSB 18v-50 drill on my channel, not sure if you have seen it yet? kzbin.info/www/bejne/Y3mofmduiK2Xgrssi=h0iULCzw7x2_55ws

[@DanDan-li4hr]

6:10 the led of this is auto on right? no switch like dewalt. looks like there is enough room to add a on off switch there and make a hole for the nob. Sometimes I dont like small led. I just wanted them off

[@GrantBurton]

Hi Dan Dan, yes… it’s an auto on/off LED light (no switch like on the Dewalt). I suppose you could add a switch but it’s probably easier to just stick a piece of tape over the light if you want it off 😂

[@stephanbasson9529]

The quality of your videos really are amazing! I have been enjoying your teardown series, and am also in the market to buy a new impact drill. Have you by any chance handled the new Bosch GSB 185-li. From the specifications and drill body size I recon it might be this model(18V-50) repackaged as an upgrade to the GSB 180-li in their new line-up? Lastly I see a lot of places selling Oubao brushless tools of late here in SA, they seem quite sturdy but it is hard to find a review on them. Plus point is their batteries are interchangeable with Bosch. Any experience using or repairing them?

[@GrantBurton]

Hi Stephan, thank you. Had this question a while back so popped into a local hardware store and they were able to get on the line with a Bosch rep. he said the Bosch GSB 185Li and 18v-50 both have very similar specs and functions however the 185Li is a light duty drill compared to the 18v-50. The 185Li has a smaller body / outer case and has lighter duty internal wiring and connections and also a light duty gearbox compared to the 18v-50 model. Overall the 18v-50 is a stronger more heavy duty drill. Unfortunately have no experience with Oubao tools.

[@stephanbasson9529]

@@GrantBurton Thank you Grant, that really helps a lot. Great special on the 18v-50 at builders at the moment, 3 batteries included. Seems to be the one I am going for. Looking forward to future review. Subscribed.

[@GrantBurton]

Hi Stephan, did you end up buying the drill? If so, what are your thoughts so far?

[@stephanbasson9529]

Hi Grant. Yes I did, and have been putting it through its paces. Over all it has been performing very well. The only possible concern for me is the quality of the chuck. The first one came out of the box not assembled straight and had a bit of a wobble. Took it back and the Bosch rep replaced the whole unit same day. The second chuck is much better, but seems to be taking some unexpected wear. Thankful for warranties! I paid R2400, with bag, charger and 3 x 2ah batteries. Was a great sale! I added a 4ah battery, makes a world of difference. Big jump in power output. If anything unexpected happens I will give an update.

[@user-ru4ly6cr5j]

Здравствуйте.Скажите пожалуйста сколько подшипников в редукторе.Зарание большое спасибо.

[@toolsrepairingmaster3819]

how to open chuck

[@CinemaLift]

Great video, really. Do you know how long the LED lights after drilling? My takes about 4 minutes, I am not sure that it was so long before. Could you help me, please? Thanks in advance.

[@GrantBurton]

Thanks very much. This drills LED stays on for about 10 seconds after releasing the trigger. You can see it in this video kzbin.info/www/bejne/Y3mofmduiK2Xgrs at around the 3 minute and 40 second mark.

[@CinemaLift]

@@GrantBurton Thank you. I think there is some fault in my tool. Sometimes 10 seconds, sometimes 4 minutes. Very strange. Thanks for your answer.

[@jason-qq6ub]

Can the chuck set(chuck +gear box) can be fitted to gsr body?

[@GrantBurton]

Hi Jason, I’m not sure 🤔 if the clamshell case and the motor have the same part number, then I guess that it would fit (but that’s just a guess).

[@robertcasey3528]

That's strange how they have the board connected to the motor. Not to mention the board is not potted.

[@mariapa4911]

I suppose you saw a lot of proff. screwdrivers. All of them have gearboxes so frail? And as an overview, is this a trusted model (just your personal opinion)?

[@GrantBurton]

Hi Maria, many have plastic gearboxes with metal gears inside. I think the Bosch Professional range of tools is a pretty well trusted range of tools. As for this specific model of drill... for DIY use, I think it's a good choice. Personally, I've got the range of DeWALT cordless tools and I'm very happy with them.

[@Imadkunal]

Were can i get replacement motor of this drill

[@GrantBurton]

Hi Kunal, I’m not sure… not much came up on a quick google search. Maybe try your local Bosch service agent? What happened to your motor… did it burn out?

[@sedatgunes7366]

👍👍👍

[@GrantBurton]

Thanks

[@AutodidactEngineer]

Can you test the chuck wobble and compare it to other brands like dewalt or milwauke!?

[@GrantBurton]

Hi Mr. Freeman, I could probably get my hands on another Bosch and Dewalt drill, but not likely Milwaukee because it’s difficult to find in South Africa. I wonder if it will be a worthwhile test though because in all eventuality, they are going to be very similar and likely all to have a small amount of wobble. There is also generally a lot of wobble that is transferred through the drill spindle (compared to a pedestal drill for example) because of the design, size and spacing of the bearing support as the spindle goes into each drills gearbox. These hand drills aren’t precision machines after all.

[@AutodidactEngineer]

@@GrantBurton Thanks for the reply :) You are right so I'll probably stick to the cheap Parkside Performance 80nm drill :/

[@alfredomarquez9777]

I also see the same wobble in my identical Bosch drill, and I found it a little distressing when drilling with very slim drillbits, like 1/16" and 1.5 mm bits... the wobble got kind of preocupying! If you find a midpriced drill thas has less wobble, please do a video on it! Could it be that a drill without hammer function would have a more precise running?

[@AutodidactEngineer]

@@alfredomarquez9777 I suggest you get a drill with a keyed chuck and without hammer feature! Preferably a corded drill with a metal gearbox since they last a lifetime!

[@ukaszmormel957]

Potrzebuje pomocy. Mam wkretarke bosch gsr 18v 50 3 601 jh5 000 i po upadku z niskiej wysokosci pojawil sie problem z szybkim biegiem. Da sie zatrzymac glowice reka i slychac jak scieraja sie zeby. Na wolny bieg sie przelacza i dziala normalnie. Rozebralem przekladnie ale tylko do polowy wszystko wyglada dobrze... Czy macie jakies pomysly z czym moze byc problem?

[@GrantBurton]

It sounds like something is damaged inside the gearbox... possibly a cracked gearbox case, cracked ring gear or a chipped tooth inside the gearbox (but if the drill was not spinning when it hit the ground, this is not likely the case). If the gearbox is not damaged, then it could possibly be the 'selector fork' that selects between the two gearbox speeds. Maybe when you much the switch from 1 to 2, it's not fully selecting / engaging the fast speed setting. You may need to open the drill and check if the selector fork wire is properly clipped into each side of the gearbox and it's shifting both sides of the metal ring inside the gearbox forward and backwards equally.

[@user1766swl]

Hi. Here is ROHM drills socket? No information about this part.

[@GrantBurton]

I'm not sure I understand the question?

[@user1766swl]

@@GrantBurton I mean, Rohm drill Chuck on this tool or not?

[@UsbZvering]

Hello, I would like to ask for help with the screwdriver, burned one part on the board, I would like to know the mark, it is under the designation Q101. If you can find out, I would be very grateful.

[@GrantBurton]

Hi, Q101 is likely a transistor but would need the components part number to get an exact replacement. Without a circuit diagram or part number, there is not much we can do... unfortunately it doesn't work to guess in this case. Can you email a close up picture of the component and board to [e-mail]

[@ztknysn3444]

Could u please write code of mosfet next to red wire at 13:02

[@FryChicken]

Well my 18v brushless freak's electronics decided to shit the bed -_- (wouldn't hold selected speed setting and jumped around randomly). Everything else is fine, my older brushed drill w/o electronics works well. *big sigh*. Bosch quoted me $80 for the repair, but I got a deal on a new set which includes the GSB 18v-535C. Damn shame.

[@GrantBurton]

Similar happened to a friend of mine with one of the Makita brushless drills... electronics decided to take the rest of the year off... haha... and it was overly expensive to replace them so he ended up buying the brushed version. Great that you got the 535C... how does it compare to the original 18v-50 you had?

[@FryChicken]

@@GrantBurton It was the GDX-1800C that shit the bed, and now I got a kit with another GDX-1800C and GSB 18v-535C. I have a regular brushed drill from bosch too. Sorry it's all not straightforward. I hope the electronics don't shit the bed again.

[@paulofloresjunior]

Great video! Anyone knows what brand is this chuck?

[@GrantBurton]

Thanks very much.

[@pepoqoio7973]

Second

[@sparrafien]

jy moet afrikaans wees!

[@GrantBurton]

Haha... nope, I'm english.

[@AutodidactEngineer]

First!

[@bigworld7514]

👍👍👍👏👏👏🤝🤝🤝🤝🇧🇷🇧🇷🇧🇷

[@GrantBurton]

Thanks for the thumbs up and comment.

[@rumorscameras]

bad idea to even manufacture these little toys for concrette drilling, the hummer function is an engineering joke,,

[@rumorscameras]

u re better served with the 50 bucks grand daddy wired hummer drill.

[@GrantBurton]

I think the hammer function is more aimed at drilling small holes (4 - 6mm) in brick walls / mortar joints to hang paintings, etc. nothing more than that... anything more than that it's not good at all. (but this also carries over to many drill brands... way better to but a separate rotary hammer drill... even if its corded).

[@rumorscameras]

@@GrantBurton true. Better even vorded if possible so you do nkt da.ave the battery connectors

[@mariapa4911]

There are some versus reviews on yt where I descovered that hammer function is very effective on screwing in wood.

[@rumorscameras]

@@mariapa4911 you should never use hammer on wood it invreases the depth of the spiral lath so plays with the integrity of the screw catch. If more power is needed thats what impact drivers are invented for.