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Cordless Drill Parts |
Search within model
Discuss |
Repair Videos |
Articles
Find Part By Symptom Choose a symptom to view parts that fix it. Popular Parts |
This video explains how to carefully remove the transmissions of DeWALT drills and drivers, and how to replace them again.

This article suggests guidelines for power tool care and maintenance. It also describes information tools available at eReplacementParts.com.
This video explains steps for how to remove threaded-on chucks and taper-fit drill chucks, as well as steps for removing a spindle from an open-center chuck.

This article explains the types, features, and terms necessary for purchasing a cordless power drill. It also describes types of drill batteries and offers a purchasing guide.
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Discussion
Discussion for the DeWALT DC980 Type 1 12V Cordless Drill
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I recently had to take my Dewalt DW980 cordless drill apart to clean, and when I went to put it back together I ended up with several extra parts which I can't figure out where they go. When the transmission was taken out all the gears and whatnot came out, and once I put it back together there were still these 5 little metal pins left as well as a little metal piece with one pin on each side and a metal piece in the center. I've looked all over, but just don't see anywhere where these pieces could possibly go or what they're even called to look them up.
Thanks
Reply: How To Reassemble The Transmissi...
WJA
Hello JTS,
If you could post an image of the extra parts you have left over, it might be easier to identify them and then let you know where they go. -WJA
Reply: How To Reassemble The Transmissi...
JTS
Here's an image of the pieces.
link removed
Reply: How To Reassemble The Transmissi...
JTS
For some reason the image didn't post properly the first time, but I've fixed it. So does anyone know where these parts could go???
Reply: How To Reassemble The Transmissi...
WJA
Hello JTS,
Well I thought that once we saw the parts that you are having a issue with, it would be an easy fix. But talking to a tech, the last time he had a transmission fall apart on him (2 years ago). He had to get another one and carefully take it apart to see how it all went back together. At this point his memory fails him on the parts in question. Hopefully someone out there will see this and be able to help you out. We'll keep trying though. -WJA
Reply: How To Reassemble The Transmissi...
Tinkerdave
Hi JTS, The large bottom pin is the detent pin that goes behind the detent spring.This keeps pressure on the torque adjustment collar. the other parts are cam followers that are position on the front of the transmission .When you pulled the transmission fron the gear case housing the shaft from the gear case housing that went into the transmission went into a small collar.Those rollers go round that collar.Its hard to explain without a exploded view of the transmission.Hope that helps a little.
I have removed screw #17,I am having trouble removing the keyless chuck#13, I would like to access the adj. collar #25.
Reply: Remove Chuck
WJA
Hello acdc,
Here is an article and video to aid you in your repair. How to remove a drill chuck. Hope this helps, WJA
Odor coming from drill when in use. Is this indication of need to replace brushes. How difficult is the repair?
Reply: Brush Replacement
Mark
Hi Dave,
A burning or electrical smell coming from the tool is usually a sign of a bad motor or switch. You will need to open to tool up and do a little investigating. Once open you can usually identify the offender just by smelling each one. The motor is part #396505-20, the switch is part #152274-19. Both of these parts are available from http://ereplacementparts.com. I hope this helps with your repair! -Mark
I am replacing the transmission in my drill,but in order to perform the task i need to remove the chuck and i need to remove the torque screw inside the chuck,this screw is to tight and now i stripped the head trying to remove it,it is a reverse thread,any advise before i drill the screw out.
Reply: Replacing The Transmission
ponch37300
Jerry,
The threads are reversed. Here is a link to an article from ereplacement about how to take off the chuck. How to Remove a Drill Chuck : eReplacementParts.com Hope this helps, Scott
Reply: Replacing The Transmission
DoctorD
you dont need to take the chuck off to replace the trans., just the 4 screws that hold the front end on.then u can split the housing open
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Accessories
Accessories for the DC980
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