Archived from the Tools In Action forum (Dewalt). This thread is read-only.
I have a DW514 hammer drill. I started having to spin the drill to get it to take off some times. I thought it was a bad brush. I took the drill apart and it looks as if the armature has a bad spot. See the picture.
Repair or replace?
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looks like that might not be that easy to replace…..
welcome to the forums ….
I saw that diagram. Armature is $100, brushes $14 for the pair. If you can find them.
Replacement drill $170 or so
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Expensive fix for a fix. Especially if you cannot dial in the problem 100%. It looks like that’s the problem but what if it’s not the whole issue? Is there any chance it could be in conjunction with something else? If there is that possibility that should make the decision a little easier to make.
Hey, welcome to the forum!
Unfortunately things aren’t meant to be so easily serviced these days either because of expensive parts or difficulty actually doing the repair…. Then sometimes you have to buy a whole assembly to get what you want, in my case it was the clothes dryer I had to just move on and get a new one….
How old and was it exposed to rain or extremely dusty conditions?
You mentioned brushes, so even if it were a cheap, easy, or whatever fix it may be in your best interest to get a brushless model because of the motor gets hot less quickly, it has better runtime, and is more powerful.
KnarlyCarl wrote:
How old and was it exposed to rain or extremely dusty conditions?
10 plus years old. And it a hammer drill. Always used in a dusty condution. As far as rain. Shouldn’t have been.
I think replace the whole thing. Parts far and few between.
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Looks like it stalled on that spot and burnt out the commutator.
Not worth the time to fix it. Just go purchase a new bare tool off of Ebay for about he same as cost in parts.
if its 18 volt dewalt I suggest upgrading to 20 volt and brushless
It is a 110volt. Not a battery drill
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If you’re hellbent on staying with the cords I’d buy this and have parts to switch between the both of them that you can repair yourself.
If you’d consider upgrading and I recommend it, get a bulldog man…it’s a much better machine and design at an affordable price.
I will just stick with Dewalt. This one has last 10 plus years. Gonna order
https://www.amazon.com/gp/aw/d/B00VNBV2F2/ref=mp_s_a_1_1?ie=UTF8&qid=1474329362&sr=8-1&pi=SL75_QL70&keywords=d25263k
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billkater wrote:
29 minutes ago, billkater said:I will just stick with Dewalt. This one has last 10 plus years. Gonna order
https://www.amazon.com/gp/aw/d/B00VNBV2F2/ref=mp_s_a_1_1?ie=UTF8&qid=1474329362&sr=8-1&pi=SL75_QL70&keywords=d25263k
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Nice choice !!!
That works too, same difference. Not sure if you had the twist chuck or what with the old one but if you’re not familiar with SDS make sure to use lubricant in small amounts frequently, things get ridiculously hot very very quickly causing premature wear and even breakage.
You’re going to be very pleased with the difference, there’s no comparison between hammer drill and SDS.
Hugh Jass wrote:
1 hour ago, Hugh Jass said:
You’re going to be very pleased with the difference, there’s no comparison between hammer drill and SDS.
AMEN!! You can say that again!!
“You’re going to be very pleased with the difference, there’s no comparison between hammer drill and SDS. ” Says HughJass
Ha
I still grin everytime I pull my sds drill out, thinking I used to be content with forcing a weak hammer drill against concrete to do a job with a mechanism that was probably thrown in as an afterthought lol!