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Replace battery. Ni-cad batteries have a life cycle, yours is the end of its life. Upgrade to lithium, battery if your tool will accept it. cost more delivers more in performance than the price difference. I once had nicad tools and disposed of all them and went to better battery..
A fully working 18v Dewalt Battery will only take 90 minutes to just over an hour to fully charge from going flat. This fully charged battery should last about 4 hours of use (depending on the load). So the answer is 1 hour.
The switch on these drills is notorious for doing exactly what you describe. One thing to check is the battery terminals on the bottom of the switch, they get bent or broken off easily. It could also be internal to the switch but the only fix is to replace it. You need Dewalt part number 152274-22 to repair the drill. It's a fairly easy repair but shop the internet, they cost from $55 to $75 plus shipping.
Depending on how old or more to the point how many times you have already charged the battery, it may be worn out. All rechargeable batteries do reach a point where they won't charge up anymore. If you have fully discharged the battery and tried to fully charge it up again and it won't take a charge or only lasts a few minutes on a charge it may be time to recycle it and buy a new one.
on the charger there is a red LED that blinks while it is charging when it is fully charged it will not blink usually about 1 hour to charge a DeWalt 18v battery
go to the tip section and I left detailed instructions on how to do this, or try and go to my profile page under tups. Let me know if you still need more help
It all depends on what is burning I'm afraid. When in use, run your hand around the back of the machine and handle area to see if anywhere in particular is getting hot. On the older versions of these (DW988) the leads leading from the switch to the brush holders would overheat and burn, also causing damage to the brush holders themselves. Is there any smoke coming from the rear vents, if so you wil probably find it is a motor problem and the smell would be the insulation burning off the armature. The only other thing to check would be to make sure the battery isn't shorting and getting hot, as this could also cause damage to the switch and vice versa.
If you noticed this sound the first time you tried the drill, it is noise of the armature brake. This noise is normal and not a problem at all. Michael Mittelsdorf
if the drill is getting older it becomes weaker.it looses its power.
it usually switch. but i advice to change switch & motor. and if
the 2 battery is not holding the charged then its time to buy new unit.just to let you know battery are not included on max cost repair/guaranted repair cost.
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