Cordless Reciprocating Saw Repair and Refurbishment |Makita 4390D

Makita 4390D reciprocating saw
Water intruded inside, motor rusted
Complete disassembly, rust removed, shell cleaned and polished
Restored to original function

[@AntonioOliveira-xj5om]

Where do you heat screws is sand?
Then dip them in oil or is it another product?
Thanks. Hug!

[@nelchan2421]

If you don't have a sandblasting machine, use vinegar and soak it for 2 days, then use a pressure washer to remove the rust, and after that, use brake cleaner and contact cleaner for finishing.

[@garymucher4082]

Very nice refurbishing effort. Some times you can take a heat gun to the plastic parts and warm them up some and remove all the marks and scratches. Don't know if that will work on that plastic but I thought I would pass that along for info... Thumbs Up!

[@RefurbishmentKJ]

Thanks for the reminder, heating the shell of this old model can indeed reduce scratches.🤝🏻🤝🏻

[@joelboutier1736]

I remember the 7.2v Makita power tools. It was before we found out that our tools needed to be powerful. I used to have one of the drills and flashlights. That drill would now be considered a cordless screwdriver.

[@electronixTech]

I always enjoy your restorations. Thanks.

[@RefurbishmentKJ]

Thank you, I will continue to update.😀

[@electronixTech]

👍 Great.

[@carlossantiagobenedithcasi1364]

Hola excelente video amigo todo bien y más videos así y bendiciones y saludos a la distancia cuidate mucho asta pronto 👍👍🇭🇳🇭🇳🇭🇳

[@fay296k]

The DC motor is designed with a 90-degree magnet and brush angle, by changing the angle, the motor consumes more current and outputs less power.

[@RefurbishmentKJ]

Thanks for reminding me, I hadn't noticed that.👍🏻👍🏻👍🏻

[@alekpop1625]

How about that

[@oudlakhdar]

Great job,thanks

[@deenomeeno]

Nice!

[@MohadesehSedqi]

Good job😍👏🏻

[@mausior]

nice

[@nelchan2421]

15:15 Next repair is bench vice

[@Unboxing.Channel]

nice work ✌✌

[@RefurbishmentKJ]

😀🤝🏻🤝🏻

[@Kendinyap0967]

Good job bro 💯

[@RefurbishmentKJ]

🤝🏻🤝🏻

[@yudi111]

nice sand blast

[@frostedblakes4]

More Grease!!

[@dariusjanulis4119]

👍💪🫶

[@RefurbishmentKJ]

😀🤝🏻💪🏻💪🏻

[@meninoandrade9833]

Lots of mistakes in your restoration

[@gregbcosta]

Ora ora, temos um especialista aqui

[@madmax82988]

You were a mistake.