Dewalt Dw997 Drill Chuck Replacement Repair Guide

Difficulty

Moderate

Steps

4

Time Required

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Sections

1

• Drill Chuck
• 4 steps

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What you need

Step 1

              Drill Chuck               

• Open the chuck jaws to the largest diameter. Remove the interior chuck screw using the T20 Torx screwdriver.
• The chuck screw is reverse, or left-hand, threaded, which means you will need to unscrew it clockwise.

Open the chuck jaws to the largest diameter. Remove the interior chuck screw using the T20 Torx screwdriver.

The chuck screw is reverse, or left-hand, threaded, which means you will need to unscrew it clockwise.

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Step 2

• Insert the Allen wrench into the chuck jaws and tighten the jaws down on the wrench.

Insert the Allen wrench into the chuck jaws and tighten the jaws down on the wrench.

Step 3

• Hit the Allen wrench with a mallet or hammer to loosen and remove the chuck.
• Hit the Allen wrench from above. Chuck spindle threads are conventional and loosen counter-clockwise.

Hit the Allen wrench with a mallet or hammer to loosen and remove the chuck.

Hit the Allen wrench from above. Chuck spindle threads are conventional and loosen counter-clockwise.

Step 4

• Remove the chuck from the drill.
• Check chuck and chuck mount for damages or debris.
• If replacing chuck, attach new chuck and check functionality.
• If clearing debris from a jam, make sure chuck mount is clear before reaataching the chuck and checking functionality.

Remove the chuck from the drill.

Check chuck and chuck mount for damages or debris.

If replacing chuck, attach new chuck and check functionality.

If clearing debris from a jam, make sure chuck mount is clear before reaataching the chuck and checking functionality.

To reassemble your device, follow these instructions in reverse order.

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                    Katie Osborne                     

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Jan M - Feb 20, 2018

Reply

If Allen wrench loosens the truck clockwise as written wouldn’t you be hitting it the other way ? Not sure if I’m not understanding correctly or reading something wrong. Thank you

Bridgette Elliott - Mar 6, 2018

Reply

I agree with Jan. This does not make sense to me and i have been twisting this stupid thing for 3 days.

dasdasdas - Mar 23, 2018

Reply

A normal screw is counterclockwise to unscrew.

What you meant to say was

‘The chuck screw is reverse threaded, which means you will need to unscrew it clockwise. ‘

You might also like to add the the screw is often coated with loctite and very difficult to remove. A high quality tool and plenty of force may be required to remove this screw.

J .Healy - May 23, 2021

I think the clockwise thing wasn’t that hard to understand, but personally, my chuck screw was actually quite easy to remove so it wasn’t a problem for me

alejandropenagarcia - Jun 30, 2019

Reply

https://studio.youtube.com/video/Vx37F9q…

Here’s a short video on how to fix a chuck on drill. The screw that holds the chuck to the drill broke and needed to be extracted, and replaced.