Repairing Guides

how to repair cordless drill

by Ellis Schulist V Published 3 years ago Updated 2 years ago
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Don't Throw It in the Landfill: "How to Repair a Cordless Drill With Broken or Missing Battery for About $3 (or Less)"

  1. Take Apart Your Drill. This part is simple just remove the screws (save them!) and separate the two pieces of your drill carefully.
  2. Cut the Wire Between the Trigger and the Battery Terminal. ...
  3. Cut the Plug Off of Your Transformer and Strip Wires. ...
  4. Splice the Wires. Whichever wire is on top (closest to you) bend away (or back) and then down, the wire will make a upside down L shape around ...
  5. Reassemble Drill. This step is pretty self-explanatory, put the screws back in to where they belong and tighten them. ...
  6. Test. Another easy step, test the drill by plugging it in, pushing the trigger, and possibly drilling something.

Full Answer

How to fix your cordless drill?

  • The motor is overheating
  • Battery is shorting
  • Parts are melting

How to rebuild a DeWalt cordless drill?

  • Make sure the power source connected to the plug is well-functional. ...
  • When the battery doesn’t hold the charge for a minimum period of time, this indicates that the battery needs to be replaced. ...
  • Check if the fuse in the charger is okay or not. ...

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What cordless drill has the best warranty?

The Best Cordless Drill: See our Top 7 from each category

  1. The Best 20v Cordless Drill: DEWALT DCD795D2. The DeWALT cordless hammer drill features a smooth running brushless motor. ...
  2. The Best 18v Impact Driver: Makita 18v Lxt. This is a compact, cordless impact driver that features a brushless motor. ...
  3. Dewalt 20v DCF620B Max Brushless ScrewGun. ...
  4. Hitachi DB3DL2 3.6 V Dual-Position Cordless Screwdriver Kit. ...

More items...

How to make a cordless drill at home?

Drill a 1 1/2-inch hole through the end of one of the (C) boards. This will be used for routing the power cords. Attach a (B) board between both (C) boards 3 1/2 inches up from the bottom (hole side up) with wood screws.

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Why has my cordless drill stopped working?

When a drill runs intermittently, the problem can be traced to a bad cord or worn brushes (sometimes the switch may be defective, but usually the switch fails in the "on" or the "off" position). The best way to check out a power cord is with a continuity tester or an ohm meter.

How do you disassemble a cordless drill?

0:212:54Tool Tear Down: How to Disassemble a Cordless Drill - YouTubeYouTubeStart of suggested clipEnd of suggested clipThe first step in taking part in a drill is removing the power source in this case it's the battery.MoreThe first step in taking part in a drill is removing the power source in this case it's the battery. Take that and set it aside and we'll start looking at this assembly.

Can drill be repaired?

If your chuck won't hold bits, check the following parts: the drill chuck, keys, and chuck screw. This should be an easy repair that you can do on your own, with some help from us. Once you know which part is causing the problem, check out our expert tips on how to complete the repair.

How do you fix a drill battery that won't charge?

0:333:07How To Fix A Cordless Drill Battery That Won't Charge - YouTubeYouTubeStart of suggested clipEnd of suggested clipSo once you get these to where each one is touching. The positive the positive negative to negativeMoreSo once you get these to where each one is touching. The positive the positive negative to negative just let it sit for five minutes.

How do you fix a drill?

1:5811:46How to fix a drill - YouTubeYouTubeStart of suggested clipEnd of suggested clipSo the first thing that you want to do is try and find a dowel this is just a wooden dowel. And youMoreSo the first thing that you want to do is try and find a dowel this is just a wooden dowel. And you want to try and locate a dowel that's just slightly smaller than the size of the chuck.

How do you disassemble a drill?

0:314:00How to Remove Chuck and Drill Motor - YouTubeYouTubeStart of suggested clipEnd of suggested clipOpen the Chuck all the way if you look inside you should see a screw to unscrew it you usually haveMoreOpen the Chuck all the way if you look inside you should see a screw to unscrew it you usually have to turn it the opposite way that you're used to turn it clockwise. Make. Sure you keep the screw.

How do you fix a drill that won't spin?

0:061:00Is your drill not spinning? - YouTubeYouTubeStart of suggested clipEnd of suggested clipOnly to have no spin don't go no work today. Simple solution you can bring it down to us we canMoreOnly to have no spin don't go no work today. Simple solution you can bring it down to us we can check it out for you find out what the problem is or. You can see if it slipped into neutral.

What is the common cause of breakdown of electric drill?

Possible Reasons for a Defective Power Drill Claim Unsafe design/design defects. Lack of proper safety guards. Improper warning provided. Manufacturing flaws.

How do you test a cordless drill motor?

0:081:02How to Test Your Cordless Drill Motor - YouTubeYouTubeStart of suggested clipEnd of suggested clipHook one to the lead on the motor. And then just touch the other. And my motor is good so if nothingMoreHook one to the lead on the motor. And then just touch the other. And my motor is good so if nothing was happening then I did have a bad switch that's the quickest way to test your motor.

How do you bring a battery back to life?

Prepare a mixture of baking soda mixed in distilled water and by use of a funnel pour the solution into the cells of the battery. Once they are full, close the lids and shake the battery for a minute or two. The solution will cleanse the inside of the batteries. Once done empty the solution into another clean bucket.

How do you bring dead rechargeable batteries back to life?

0:356:05how to fix a dead rechargeable battery ( ni-mh | ni-cd ) - YouTubeYouTubeStart of suggested clipEnd of suggested clipUsing his car battery i hooked up into my car battery with two wires and then i ran the two wires toMoreUsing his car battery i hooked up into my car battery with two wires and then i ran the two wires to the negative and positive terminals of this battery.

How do I know if my cordless drill battery is bad?

Charge Test for Drill Batteries You then make sure you have a working charger. Place the battery on the charger and allow it to charge for the designated period. If, after allowing the battery ample time to charge, your drill still isn't operating properly, then it's time to invest in a new battery.

What to do if brush holder is damaged?

If the holder has become damaged and can no longer support the brush properly, it will need to be replaced. On some models, you can just remove the end cap to access the holders. Remove the holders and inspect for breakage and replace, if needed.

Where is the brush holder on a drill?

Pull the cover off. One brush holder is located in the cover and the other is found under the motor in the housing.

How to replace a transmission motor?

To replace the motor, remove the two screws holding the transmission to the motor on the side of the transmission where all of the housing screws are facing upwards on the case, that secure the case to the housing. Next, remove the screws securing the case to the housing and remove the case. Remove the other two screws on the transmission that secure it to the motor. Remove the screws securing the hold-down brackets on the motor and then the motor and transmission assembly. The motor should just twist away from the transmission.#N#Twist the new motor onto the transmission – it may take a few tries as you need the gears to mesh up. Reattach the transmission to the motor and secure the two screws. Reinstall back in the housing. Put the hold-down brackets on...

What to do if battery is not charging?

When you place the battery into the charger, the light should indicate that it is charging. If it is not charging, then check the connectors for corrosions or any other dirt build up.

How to replace a brush on a commutator?

If these brushes become damaged in any way, it can impact their ability to provide the electrical current.#N#To check the condition and replace these brushes, if needed, start by removing the battery. Remove the screws on the end cap and pull off the drill. Locate the spade connectors and remove them with pliers. Insert a small screwdriver in the access hole, close to the center of the housing, and gently pry out the brush.#N#On some drills, you will have to remove the case on the housing and remove the two screws securing the transmission to the drill on the same side the cover is located on. Then, remove the cover. One brush will be in the cover and the other under the motor.#N#Remove the hold-down bracket on the motor to access the second...

How to take apart a drill?

Step 1: Take Apart Your Drill. This part is simple just remove the screws (save them!) and separate the two pieces of your drill carefully. You want to separate the pieces carefully, so you don't drop any mechanical pieces out of the drill. This will be probably different for your drill than mine.

How to splice a wire?

I recommend using your thumb and forefinger of each hand to twist the wire. One wire will go clockwise (or towards you) the other wire will go counter clockwise (or away from you), pinching hard, twist only the spliced section, slowly moving towards the insulation with both hands if you are using solid core wire, or thick gage wire once you get near the ends, I strongly recommend you wear gloves or use needle nose pliers to finish up the twist if you got close enough to the same length of stripped wire, and made your X close enough to the center of the two wires you should end up with both ends of the wire running out just at, or before the start of the insulation and a super strong splice.#N#Image 6:#N#Wrap electrical tape around each set of wires individually being sure to cover any exposed metal so that it will not touch the metal from the other wire and then tape the two bundles together to make a clean, finished, and insulated job that will not short out.

How to connect a barrel jack to a transformer?

On your transformer if there is a circular plug (called a barrel jack), cut the 2 wires leading to it. Next strip about an inch off of the end of the wires leading to your transformer. Then twist the wire strands together. See the photos for a step by step illustration.

Solutions

Charge the batteries 90% of their full capacity Do not charge 100% or discharge 0%

Solutions

The impact mechanism is activated with the workload. So use it with a screw and test it.

Solutions

If the battery is dead you can power up using the same battery. Check here

Solutions

When the tool heat inner coils, the plastic part can be melt when it heats up. So smell come out

Reason

chuck is lost due to the bearing ball is not moving properly inside the hex shank. So you had better check it and fix it. I will guide you to fix the lost chuck of the impact driver. check here

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