20 Most Recent Makita 6019DWE 3/8 Cordless Drill Keyless Chuck Rev 7.2v 600 Rpm Questions & Answers

Open it up all the way, remove the screw in the center (reverse thread), and then unscrew it off the arbor. for instructions and diagram of a similar model see here.

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As long as the charger voltage and the battery voltage match (7 volts) there should be no problem. A fast charger just runs more current thru the battery (per unit time) than a not-so-fast charger. If you notice the battery getting really hot when it's charging (like too hot to touch), stop using it.

Batteries are definitely still available. I haven't priced one recently, but if you do a google search for 7.2v Makita batteries, you'll find what you're looking for.
On the other hand, for the price of a couple of batteries for that drill, you're well on your way to a new drill and batteries. Nowadays, with lithium ion battery technology and major advances in the drill motors, you'll find a new drill has a lot more torque and holds a longer charge. They also put lights in the front, which are very cool when you're under a sink in the dark trying to screw something in. It depends, I guess, how much you use it, and what for. Do you want to be able to drive 3" screws into framing lumber without a pilot hole? Maybe not.
There are times when I use my 12v impact driver all day and can't imagine trying to make do with my old 9.6 v drill, but I still keep it at home, for just in case. And makita is still tops in my book.
BTW, here's a link to a downloadable .pdf manual for your tool. Makita 6019DWE

I hope this information allows you to resolve this issue. If you need further assistance, please post back with a comment to this thread.
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In continuation after removing the chuck screw which is left hand thread shift the drill to LOW and use a bent handle allen wrench approx the size of the chuck lock it in the jaws. Turn clutch setting to the drill only position and using a hammer strike the hex key. The chuck has standard threads. To reassemble just reverse this

"Looking for a front part picture or schematic of the Makita gearbox 123443-0 DHP482, specifically the front selector rings? While main gearbox images are widely available, detailed visuals of the front selector rings may require specific technical documentation or contacting Makita directly for assistance."

Do you leave them plugged into the mains all the time? Voltage spike possibly. They can be repaired, but you need the model number in the search query. https://www.google.com/search?q=Makita+charger+repair ..

the light is normally activates by the trigger, so either the switch has gone faulty or the wires running to bulb are contacting. press the helpful button and check link below Makita BTD142 Trigger Switch Replacement

The Makita DC18RC charger is equipped with a diode labeled D14 that helps regulate the voltage. It is a 1N4007 diode, which is a 1-Amp, 1000-Volt diode. You can find the electrical schematic for the DC18RC charger online with a quick search.

Send it for warranty repair. They are supposed to be tough. https://www.google.com/search?q=Makita+DGD800+18v+die-grinder ..

I don't really know how a chuck works. I use them often on a drill press, cordless drills, etc. My grandfather always said to "check the simple things first." Could something have gotten in the way like saw dust, dirt.....? ? I might suggest trying using compressed air and blow it out? You can buy a can of compressed air at office depot.

There are no serviceable parts in this charger, it is a replacement item

You can try the website makitauk.com select parts then choose your tool. Unfortunately it does not break the gearbox down to any detail as it can only be obtained as a complete unit.

Lithium Polimer batteries are 3.7volts per cell. They need specialist charging and protection. Maybe not the best choice ...

Yes, because the voltage and amperage input to the charger is constant, so the board management dumps excess charge once the battery is fully charged. The battery cools, but the charger warms up. Mine does the same. It is a 15 minute charger, so the current is high.

Makita DC18RC 18V Lithium-Ion Rapid Optimum Charger

https://www.amazon.ca > Makita-DC18RC-Lithium-Ion... Industry leading charge times of 15 min. · During the charging process, the Rapid Optimum Charger monitors actively controls the current, voltage and temperature ... Battery Cell Type: ‎Lithium Ion Style: ‎Plug Batteries Included?: ‎No Power Source: ‎Ac

Hi. Just to clarify, it is a rotary hammer drill, not an impact drill? In most cases those machines put out 3 joules of energy on the back of the drill bit. If it was a cheap bit, the hammer action "mushrooms" the end of the bit making it difficult to remove. You could try to force it out using a bench vise, but you could damage the chuck.

The DC18RC are most likely to charged the BL1830 battery, which is the most popular of 18V Makita power tools. It is a Li-ion battery.And the DC18RC battery charger has two volt 110 Volt and 240 Volt. The 240 Volt DC18RC charger can replace model DC18RA & DC18SD because of its improved performance and full compatibility with Makita's NEW 'Star' labelled batteries that communicate between the tool, battery & charger. And, it is a fast charger.It can charge a Makita BL1830 Battery in approx 22 minutes.But, I do not recommend to convert a makita charger model DC18RC at 110 volt to 240 volts.The reason is as below:1. This will void product warranty ! If you follow this mod, you do it on your own risk ! 2. There are several comments that describedsame model # but with different design and components. Please beware that this mod might not work on your chargeror worst, will damage it. Only perform this mod if you know your way around with electronics !

Wiring? Ask Makita direct. https://www.makitatools.com/products/details/5402NA Parts Schematic https://www.ereplacementparts.com/makita-5402na-beam-saw-parts-c-97_98_101_102.html