Step #1 after salt water immersion is to rinse the hell out of it with warm fresh water, then finish off with deionized water in an ultrasonic cleaner if you got one. As soon as it came in the shop it would have been best to drop it into a bucket of tap water with dish soap to start sucking the salt out of it. I’m not sure how good the contact cleaner does with such high concentration of salt. It can deal with some ionic contamination but saltwater is best treated with fresh water first. Drying it out first is not the best with salt on it. Sure it has to be dried after the rinse of course. A big problem with salt and stranded wires is that they wick the saltwater into the wire. So that controller may well have been exposed to some salt wicked through the wires. But they could have been lucky. Sad for such a new machine. I’m mighty impressed that it still works, though. Even if it won’t last as long as a new machine, it’s still better than going direct to the dump.
I guess most technician would just reject working on this, even waiting for it to dry. But it makes good content for a TH-cam channel 👍And indeed, best advertisement ever!
It's a makita I would have took it and as soon as I heard it run I would have gave it some new nsk bearings cause it's just gonna cook itself with those rusted bearings
This is the exact reason why I've been a Makita customer for decades. Solid machines, a pleasure to use, fair price, and spares are easily available. I've hardly had any issues with them, and the ones I had were easily fixable or were being taken care of by customer service.
I have a small amount of Makita 18 v power tools, was thinking of selling them and putting the money towards Milwaukee 18v tools but after seeing this think I'll just keep adding to my Makita range. Top work 👍
Lol Milwaukee is crap, its all marketing. See others of Dean's videos, they are not meant to be repaired, have the tiniest chinesium bearings inside and the circuit boards are not potted which means if used outdoors they will burn out. No spare parts either, all the insides is a complete unit, including trigger and battery contacts.
You buy Milwaukee you will regret it!!!! I've a carpenter & joiner for over 35 years and hammer my tools, had them all! It's Makita or Dewalt at the moment. Dewalt good value for money, Makita possibly a notch higher in quality but much more expensive. I've gone dewalt AFTER Milwaukee.
@@kevinchamberlain7928 Yeah, for me Makita is better than dewalt because I buy them second hand (much cheaper), I think dewalt has better impacts, better drills? and slightly better circular saws, idk much about other tools
Before drying out, a rinse with warm soapy water, and lastly with deionized water in ultra sonic cleaner if available. Rinse the switches and circuit boards, out with contact cleaner to neutralise any salt. Buff the motors, stator and magnets with wool wire or light sand paper to take away the suface corrosion then coat with any type of oil or rust inhibitor product. Even wipe with WD40 would help
I'm just an experienced DIYer and have a few inexpensive tools that come in handy. On the other hand, when I need tools I can rely on, I choose Makita tools, most of the time Brushless, and every time I watch your videos, it reinforces my ideas. Indeed, I think that when you buy this kind of tool, repairability is more important than pure performance. Keep up the good work, friendship from the south of France. (and sorry for the probably approximate translation from the French language!)
Let’s hope marketing will never take over at Makita company like at Milwaukee. Repairability is the most important feature of any good tool. Not power and fancy advertising.
I think something like this repair every now and then is a good idea. I've learnt a lot about the corrosion that occurs, how parts can be swapped out and coatings on boards. Well done Dean!
Couldnt be happier What a fantastic result I have bought makita for years and the service is great One time the terminals broke on one side of my double lxt charger they replaced it just like that The worst thing that has ever happened is i drove my 5.5 tonne excavator over an impact driver on hard clay. It still worked until i took the battery out to charge and the casing fell apart without the battery to hold it together.
Had one one on here myself for repair with the exact same problem. Drove over by a digger. The casing is not expensive and very easy to replace. As long asnthe motor still works, they are well worth fixing
and like you mentioned "Makita, Built to last" this is the reason i have gone back to Makita with my drills. eventually all my tools will be going to Makita. Tbh didn't think that grinder would work after the salt water, Amazing that its still working.
Unbelievable!! It just goes to show that a quality item in the hands of a first class engineer can be salvaged. Not just a brilliant ad for Makita, but also an example of your skill at repairing ANYTHING, regardless of the state it's in when it walks through your door!! Sept. '24 - I'm watching this vdeo for the fourth time as it's my favourite one of yours! I still can't believe that you got it working so well. Just imagine what it would sound like if you changed the bearings... It would purrrrr! Well done, and I'll keep watching this one over & over again!!
Just a friendly reminder for anyone else playing with heavily oxidized copper contacts: that greenish goo is both irritant and a wee bit toxic, so remember to wash your hands properly and avoid contact with your eyes, mouth or nose (or your wiener if you have to go pee, unless you fancy a burning sensations down there for the next couple of days).
Impressive job anyhow. And nice to see that the only parts that needed replacing only did so because there easily replaceable. Had all the connections been potted they might've survived but then they'd be harder to replace it they were too fail
I have found in the past some tools left out in the rain for weeks, probably forgotten, then binned. Most when taken apart, cleaned and left to dry in the Sun come back to life.
I’ve saved a few power tools like this. Now that you know it works, replace the bearings, clean the machine parts in your parts washer and then soak them overnight in Evapo-Rust. It will be like a new unit!
The green substance that is produced by galvanic corrosion, especially in salt water, is copper hydroxide. When you get water into one of your battery operated electric devices rule number one is to remove all batteries as quickly as possible. This will remove the main source of galvanic corrosion. Of course, this is not on top of your priority list when you are onboard a sinking fishing boat. Rule number two is to open up the device in order to get out as much water as possible. If the water is salty you should rinse several times with pure water. To help the water out you can use compressed air and heating to a temperature that the device can tolerate.
Hey Dean I've had pretty good luck doing a short soak/wash in 90% isopropyl alcohol then let air dry sucks alot of the moisture out of everything Love the videos cheers J. Hunt
I confess i'm a bit irritated he let the salt water DRY and then NOT EVEN TRY TO WASH IT OFF before trying to fix it. it'll keep corroding the poor tool.
@@AlexKallwell, leaving something covered in salt water dry certainly won't help. he barely cleaned the stator's screws, as if the salt wouldn't make it rust even worse. sometimes i understand he doesn't want to waste time but damn. leaving something to rust filled with salt water then coming back and not cleaning to attest brand quality is insane.
guys this isnt the US, services have actual warranty in europe, if the grinder fails again the costumer will bring it back and Dean will repair it no questions asked.
Brilliant, besides a Bosch sds and grinders, an old de Walt router and a Festool track saw, all my tools are Makita….planers, impacts, drills, sanders, router, nut gun, saws, torch etc and although not all perfect, very very good especially for the money. I will always buy Makita products.
I couldn't tell, were those wires pre-tinned? If not, I'd be shocked if they don't start corroding over time. We have that problem with boat trailer lights that go in salt water. Once there is a nick/cut in the insulation, its only a matter of time before the entire line starts turning green. IF you are bored, you can try to polish those bearings. Something we do in salt water fishing reels, take out the bearing, take off the shields and run it at HIGH RPM and dunk it in acetone. Over and over until all the balls are polished and all the rust/grease is gone/smooth. Then repack and use again.
Try throwing that thing in a dishwasher next time. I've done that hundreds of times with electrical - electronic components over the years. Once thoroughly dried they are safe to reassemble.
Guessing that seawater around all of the components, mechanical and electrical would cause many more problems farther down the road. Do you use an UltraSound Bath to deep clean electricals? Maybe that would clean out all of the salts present in seawater.
with a tool like this that has had salt water immersion its a good idea to wash it out with deionised water and then dry out and repair the deposited salt in the windings will cause failure over time
@@riba2233 Cheers. I didn't think it was right compared to better makes. I suppose that's what you get for buying cheap shit. It did me in a pinch but it's time for an upgrade. 🙂
While it was still wet, why did you didn't not rinse it off with fresh water to get rid of the salt. I thought that would be the obvious thing to do, before drying it out to do the repair, you couldn't do anymore damage than was already done, just my opinion 👍
Even keep swimming pool acid containers away from your garage or work place.😮 It's a problem when staying close to the sea coast also. I rather stay far away because I love my tools too much!!!😅
"In next video we will be fixing a sunken boat". I'd give the owner of that tool the battery connector too, if he got the 3 year warranty and serial numbers will mismatch, he got a proof its just been fixed.
If it was mine i would just sell on ebay as not working and buy another.Most of your vids i would do the same.Most of these tools are not worth bothering with.The people who send these tools into you must be tighter than a Scotchman.🤔
Most contractors will have a few alternative tools so they will be using those - I get the impression some of his customers build up a box of broken tools and bring them in before their other tools break. I understand there is a small charge for looking at a tool (5 Euros I heard on another video - about $6 approx) with a fix attracting the hourly rate plus parts so why not get it looked at ? It beats taking time to list, package and post tools - you can do that if it comes back as unrepairable.
I’m willing to bet that had you invested the time into the corroded leads you could very well have saved those as well… but not really worth it when you had a good used part at your disposal
Step #1 after salt water immersion is to rinse the hell out of it with warm fresh water, then finish off with deionized water in an ultrasonic cleaner if you got one. As soon as it came in the shop it would have been best to drop it into a bucket of tap water with dish soap to start sucking the salt out of it.
I’m not sure how good the contact cleaner does with such high concentration of salt. It can deal with some ionic contamination but saltwater is best treated with fresh water first.
Drying it out first is not the best with salt on it. Sure it has to be dried after the rinse of course.
A big problem with salt and stranded wires is that they wick the saltwater into the wire. So that controller may well have been exposed to some salt wicked through the wires. But they could have been lucky. Sad for such a new machine.
I’m mighty impressed that it still works, though. Even if it won’t last as long as a new machine, it’s still better than going direct to the dump.
This is one of the best grinders, well done amazing fixing
There is no substitute for quality. Plus parts availability is a large factor. Plus having a man who knows what he is doing. Fantastic video Dean.
I guess most technician would just reject working on this, even waiting for it to dry. But it makes good content for a TH-cam channel 👍And indeed, best advertisement ever!
i would at least try to rinse the salt before letting it dry.
Yes it's just fun video content. I hate throwing things away but if I had Deans workload I would just bin this grinder.
It's a makita I would have took it and as soon as I heard it run I would have gave it some new nsk bearings cause it's just gonna cook itself with those rusted bearings
Not only advertises the Makita build quality, but also your skills and knowledge, hat's off you 😎Dean
This is the exact reason why I've been a Makita customer for decades. Solid machines, a pleasure to use, fair price, and spares are easily available. I've hardly had any issues with them, and the ones I had were easily fixable or were being taken care of by customer service.
Yes..I like that have isolated diver chips motor
I have a small amount of Makita 18 v power tools, was thinking of selling them and putting the money towards Milwaukee 18v tools but after seeing this think I'll just keep adding to my Makita range. Top work 👍
Lol Milwaukee is crap, its all marketing. See others of Dean's videos, they are not meant to be repaired, have the tiniest chinesium bearings inside and the circuit boards are not potted which means if used outdoors they will burn out. No spare parts either, all the insides is a complete unit, including trigger and battery contacts.
You buy Milwaukee you will regret it!!!! I've a carpenter & joiner for over 35 years and hammer my tools, had them all! It's Makita or Dewalt at the moment. Dewalt good value for money, Makita possibly a notch higher in quality but much more expensive. I've gone dewalt AFTER Milwaukee.
@@kevinchamberlain7928 Yeah, for me Makita is better than dewalt because I buy them second hand (much cheaper),
I think dewalt has better impacts, better drills? and slightly better circular saws, idk much about other tools
Fantastic.Kudos to Makita quality.
Makes me glad I buy Makita tools.
Before drying out, a rinse with warm soapy water, and lastly with deionized water in ultra sonic cleaner if available. Rinse the switches and circuit boards, out with contact cleaner to neutralise any salt. Buff the motors, stator and magnets with wool wire or light sand paper to take away the suface corrosion then coat with any type of oil or rust inhibitor product. Even wipe with WD40 would help
I'm just an experienced DIYer and have a few inexpensive tools that come in handy.
On the other hand, when I need tools I can rely on, I choose Makita tools, most of the time Brushless, and every time I watch your videos, it reinforces my ideas. Indeed, I think that when you buy this kind of tool, repairability is more important than pure performance.
Keep up the good work, friendship from the south of France.
(and sorry for the probably approximate translation from the French language!)
Lovely..... but you sounded excited !! Great repair and indeed what a statement for Makita quality !!
Absolutely fantastic what more can you say.
Let’s hope marketing will never take over at Makita company like at Milwaukee. Repairability is the most important feature of any good tool. Not power and fancy advertising.
Special mentioning of Dyson household equipment here…
They even did power with xgt stuff ;)
I think something like this repair every now and then is a good idea.
I've learnt a lot about the corrosion that occurs, how parts can be swapped out and coatings on boards. Well done Dean!
Another great video Dean, happy I bought this makita grinder 😂
3:54 fun fact people used to use copper oxides to get that color of paint
Couldnt be happier
What a fantastic result
I have bought makita for years and the service is great
One time the terminals broke on one side of my double lxt charger they replaced it just like that
The worst thing that has ever happened is i drove my 5.5 tonne excavator over an impact driver on hard clay. It still worked until i took the battery out to charge and the casing fell apart without the battery to hold it together.
Had one one on here myself for repair with the exact same problem. Drove over by a digger. The casing is not expensive and very easy to replace.
As long asnthe motor still works, they are well worth fixing
I've only used Makita for 40yrs
💪
A tribute to Makita and you.
and like you mentioned "Makita, Built to last" this is the reason i have gone back to Makita with my drills. eventually all my tools will be going to Makita. Tbh didn't think that grinder would work after the salt water, Amazing that its still working.
Good work Dean!
I would feel so chuffed if I had pulled off the miracle you did. Bet the customer was happy with the fix.
I love this channel.. thanks for another video.
I have to say Makita are the Best tools to have.
Unbelievable!! It just goes to show that a quality item in the hands of a first class engineer can be salvaged.
Not just a brilliant ad for Makita, but also an example of your skill at repairing ANYTHING, regardless of the state it's in when it walks through your door!!
Sept. '24 - I'm watching this vdeo for the fourth time as it's my favourite one of yours! I still can't believe that you got it working so well. Just imagine what it would sound like if you changed the bearings... It would purrrrr! Well done, and I'll keep watching this one over & over again!!
Awesome Makita 👌
It deserves new bearings and more clean-up
He will change bearings just for test he didn't
My Dad used to say... if you buy well, you buy once, if you buy cheap, you buy twice.
Just a friendly reminder for anyone else playing with heavily oxidized copper contacts: that greenish goo is both irritant and a wee bit toxic, so remember to wash your hands properly and avoid contact with your eyes, mouth or nose (or your wiener if you have to go pee, unless you fancy a burning sensations down there for the next couple of days).
I use a grinder like this to cut tiles. And I'm surprised it still works, because it got wet many times
What a guy 👌👍👀
Wow ... if I was the customer I would be extremely grateful !! Hope you got a drink out of it 😊
Yet another excellent repair. Very well done
She didn't sound too bad either. Great fix Dean.
Just incredible. Well done
Nice work .amazing result
I have always preferred makita
And that's why you buy a quality tool that have sealed controllers and good confirmal coating on everything else, where possible.
You're a magician
Awesome, did you go back and change those bearings? Love the videos!
This was exactly my question too. After having done an amazing salvage on this tool, she deserves some fresh bearings!
That man is smart because he didn't put the battery in to test he sent it to the shop for repair
An incredible salvage, and an incredible brand.
Davy Jones' Grinder⚓ Very Impressive
What can you say but......... WOW!
Makes me want get some Mikita now
Mighty Dean, best video in a while, helps that I like Makita anyways tho!! Cheers for all your content 👌
❤ Makita
Wow, incredibile brand.
job well done❤
👍👍
Good job!
Impressive job anyhow. And nice to see that the only parts that needed replacing only did so because there easily replaceable. Had all the connections been potted they might've survived but then they'd be harder to replace it they were too fail
I will change my power tools to Makita. Currently I have a zoo of different brands but this was impressive.
That's impressive
I have found in the past some tools left out in the rain for weeks, probably forgotten, then binned. Most when taken apart, cleaned and left to dry in the Sun come back to life.
Impressive! Good job.
I’ve saved a few power tools like this. Now that you know it works, replace the bearings, clean the machine parts in your parts washer and then soak them overnight in Evapo-Rust. It will be like a new unit!
Great job
The green substance that is produced by galvanic corrosion, especially in salt water, is copper hydroxide.
When you get water into one of your battery operated electric devices rule number one is to remove all batteries as quickly as possible. This will remove the main source of galvanic corrosion.
Of course, this is not on top of your priority list when you are onboard a sinking fishing boat.
Rule number two is to open up the device in order to get out as much water as possible. If the water is salty you should rinse several times with pure water. To help the water out you can use compressed air and heating to a temperature that the device can tolerate.
Well done
I think that salt will keep on corroding unless all the parts are soaked in several changes of pure water, cheers
Hey Dean
I've had pretty good luck doing a short soak/wash in 90% isopropyl alcohol then let air dry sucks alot of the moisture out of everything
Love the videos cheers
J. Hunt
I confess i'm a bit irritated he let the salt water DRY and then NOT EVEN TRY TO WASH IT OFF before trying to fix it. it'll keep corroding the poor tool.
@@CrudeBuster as he said in another comment, he didn't expect it to run.
@@AlexKallwell, leaving something covered in salt water dry certainly won't help. he barely cleaned the stator's screws, as if the salt wouldn't make it rust even worse. sometimes i understand he doesn't want to waste time but damn. leaving something to rust filled with salt water then coming back and not cleaning to attest brand quality is insane.
That's a good tip. Thanks for that
guys this isnt the US, services have actual warranty in europe, if the grinder fails again the costumer will bring it back and Dean will repair it no questions asked.
Why did fishermen need a grinder? Were the fish frozen already?
Depends on what he was fishing for if he was going after crab or lobster perhaps for the cages otherwise yeah idk tbh
Very nice 👌
Just out of curiosity here, would you be changing out the bearings since the machine is working again?
Customer has lifted it again now. If they get any worst he can drop it back in.
@@deandohertygreaser cool 👍
Super impressive work and tool - I went over to Makita a couple of years ago from Dewalt. No comparison- love the Makita stuff 👌🏻🍺🏴
Brilliant, besides a Bosch sds and grinders, an old de Walt router and a Festool track saw, all my tools are Makita….planers, impacts, drills, sanders, router, nut gun, saws, torch etc and although not all perfect, very very good especially for the money. I will always buy Makita products.
I couldn't tell, were those wires pre-tinned? If not, I'd be shocked if they don't start corroding over time. We have that problem with boat trailer lights that go in salt water. Once there is a nick/cut in the insulation, its only a matter of time before the entire line starts turning green.
IF you are bored, you can try to polish those bearings. Something we do in salt water fishing reels, take out the bearing, take off the shields and run it at HIGH RPM and dunk it in acetone. Over and over until all the balls are polished and all the rust/grease is gone/smooth. Then repack and use again.
I mostly buy Dewalt and Milwaukee stuff, but I know Makita makes some of the toughest tools. It's crazy how fast salt water can eat through coper.
That copper paste... I had no idea this is what happens!
Electrolysis.
As a diver just an FYI, if you ever drop anything in salt water get it into fresh as soon as possible. You may save it otherwise just eats itself
Pleased i bought a makita when my old grinder packed in fsntastic how that worked after been in salt water 👍👍
That is amazing. You should put your business address on the end of your videos; when I've tools that want repaired, you'd pick up a customer.
The grinder survives hopefully the occupants of the boat are ok.
Do you think the corrosion happed so quickly because there was a battery attached? Causing and electrolysis effect?
Did you lubricate the bearings?
Try throwing that thing in a dishwasher next time. I've done that hundreds of times with electrical - electronic components over the years. Once thoroughly dried they are safe to reassemble.
That short white cable on the switch with the blue crimp connectors didn't look very OEM. Was it?
What is the quality of the Makita G-series like? I believe they use a different battery and are aimed more at the DIY market.
Basic
@@deandohertygreaser still repairable and durable though? I mean could you do better for the same money elsewhere?
@@UnCoolDad Forget about it, totally not worth it. It is much better to get 12v line bl drill
Ever tried soaking in vinegar to remove the corrosion? Works for me.
there was obviously a battery on that when it had a bath as electrolisis has eaten the copper that had power on it but the field coils are fine
Guessing that seawater around all of the components, mechanical and electrical would cause many more problems farther down the road.
Do you use an UltraSound Bath to deep clean electricals? Maybe that would clean out all of the salts present in seawater.
Shirley they had tools like these to build the pyramids
What are you even talking about? Salt water(with vinegar) cleans them. kek
Luv ur vids, dude. So amazed. Hello from Illinois, USA.
with a tool like this that has had salt water immersion its a good idea to wash it out with deionised water and then dry out and repair the deposited salt in the windings will cause failure over time
Great video Dean. I recon most repair men would have binned that grinder.
What's the torque like on Makita grinders? I've got a cheap 240v Ryobi (I think) and when you press the switch it almost jumps out of your hand.
They have a soft start so they won't jump
@@riba2233 Cheers. I didn't think it was right compared to better makes. I suppose that's what you get for buying cheap shit. It did me in a pinch but it's time for an upgrade. 🙂
Tools starting full speed like that wears faster because going from 0 to 100 in a snap kicks the mechanic in the ass hard.
Tell me about it. @@thibaultmerlin 🙄
Just like timex. Takes the lickin' keeps on tickin.😊
the legend says hilti would work underwater too=)))
I prefer first to clean with the fresh water and then to let it dry.
Imagine if it was a milwacky with a non coated circuit board.
The only thing salvageable would be the plastic clamshell
While it was still wet, why did you didn't not rinse it off with fresh water to get rid of the salt. I thought that would be the obvious thing to do, before drying it out to do the repair, you couldn't do anymore damage than was already done, just my opinion 👍
Ultrasonic cleaner very handy for stuff like this.
The salt is still there, and a little moisture it will start again! Maybe 🤔. But Nice work man!
Even keep swimming pool acid containers away from your garage or work place.😮
It's a problem when staying close to the sea coast also. I rather stay far away because I love my tools too much!!!😅
I always thought copper was non corrosive. Surprised to see the copper wiring eaten away. I guess its the salt water.
👍
Wouldn't it have made more sense to clean it before the salt dried in all the nooks and crannies?
To be honest, I wasn't expecting it to still run
"In next video we will be fixing a sunken boat".
I'd give the owner of that tool the battery connector too, if he got the 3 year warranty and serial numbers will mismatch, he got a proof its just been fixed.
Just you and I,...
If it was mine i would just sell on ebay as not working and buy another.Most of your vids i would do the same.Most of these tools are not worth bothering with.The people who send these tools into you must be tighter than a Scotchman.🤔
Most contractors will have a few alternative tools so they will be using those - I get the impression some of his customers build up a box of broken tools and bring them in before their other tools break. I understand there is a small charge for looking at a tool (5 Euros I heard on another video - about $6 approx) with a fix attracting the hourly rate plus parts so why not get it looked at ? It beats taking time to list, package and post tools - you can do that if it comes back as unrepairable.
That's a Jesus grinder. It came back from the dead.
I’m willing to bet that had you invested the time into the corroded leads you could very well have saved those as well… but not really worth it when you had a good used part at your disposal