How To Reattach The Cap On An Ifixit Precision Bit Driver Repair Guide

Difficulty

Easy

Steps

9

Time Required

                          5 - 10 minutes            

Sections

1

• How to Reattach the Cap on an iFixit Precision Bit Driver
• 9 steps

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Introduction

You can always contact our customer service team if you would like to replace your broken Precision Bit Driver.

What you need

Step 1

              Cut a piece of floss               

• Cut an approximately six-inch piece of waxed dental floss.

Cut an approximately six-inch piece of waxed dental floss.

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Step 2

              Wrap the floss around the post               

• The blue cap is secured to the bit driver by a threaded post that screws into the bit driver’s upper body.
• The threaded post can’t be screwed into the upper body by twisting the cap because the cap spins freely around the post. Instead, you’ll need to hold the post still so the upper body can be screwed on.
• Hold one end of the floss against the side of the cap.
• Wrap the middle of the floss twice around the widest part of the post (below the rubber o-ring).
• Don’t tie the floss into a knot as this will prevent you from removing the floss after the upper body has been screwed on to the threaded post.

The blue cap is secured to the bit driver by a threaded post that screws into the bit driver’s upper body.

The threaded post can’t be screwed into the upper body by twisting the cap because the cap spins freely around the post. Instead, you’ll need to hold the post still so the upper body can be screwed on.

Hold one end of the floss against the side of the cap.

Wrap the middle of the floss twice around the widest part of the post (below the rubber o-ring).

Don’t tie the floss into a knot as this will prevent you from removing the floss after the upper body has been screwed on to the threaded post.

Step 3

              Tighten the floss               

• Pull the two ends of the floss tight to create a secure hold on the post.

Pull the two ends of the floss tight to create a secure hold on the post.

Step 4

              Arrange and hold the ends of the floss               

• Arrange the ends of the floss so that they hang down over the edge of the cap on the opposite side that they crossed on the post.
• Press the ends of the floss against the side of the cap to prevent the post from spinning.

Arrange the ends of the floss so that they hang down over the edge of the cap on the opposite side that they crossed on the post.

Press the ends of the floss against the side of the cap to prevent the post from spinning.

Step 5

              Optional threadlocker information               

• You can optionally apply a threadlocker (such as Loctite Threadlocker Blue 242) to secure the threaded post to the upper body.
• Put on your protective gloves and safety glasses while applying the threadlocker.
• Clean the threaded post and the upper body’s screw hole with a lint-free cloth.
• Apply one to two drops of threadlocker to the threaded post.
• Make sure you don’t get threadlocker on any other part of the cap. Doing so may prevent the cap from spinning. You only need to apply enough for an even spread on the threaded post.
• After screwing the upper body on to the threaded post, wait for the recommended cure time before using the bit driver.

You can optionally apply a threadlocker (such as Loctite Threadlocker Blue 242) to secure the threaded post to the upper body.

Put on your protective gloves and safety glasses while applying the threadlocker.

Clean the threaded post and the upper body’s screw hole with a lint-free cloth.

Apply one to two drops of threadlocker to the threaded post.

Make sure you don’t get threadlocker on any other part of the cap. Doing so may prevent the cap from spinning. You only need to apply enough for an even spread on the threaded post.

After screwing the upper body on to the threaded post, wait for the recommended cure time before using the bit driver.

Step 6

              Screw the upper body on to the post               

• Insert the threaded post into the upper body’s screw hole.

Insert the threaded post into the upper body’s screw hole.

Step 7

• Screw the upper body of the bit driver clockwise on to the threaded post until it is finger-tight.
• The ends of the floss will rotate clockwise when the upper body is almost fully screwed on. Continue to screw the upper body for about half a turn after this occurs to screw it on completely.

Screw the upper body of the bit driver clockwise on to the threaded post until it is finger-tight.

The ends of the floss will rotate clockwise when the upper body is almost fully screwed on. Continue to screw the upper body for about half a turn after this occurs to screw it on completely.

Step 8

              Remove the floss               

• Pull and rotate one end of the floss around the post twice in the opposite direction that it was wrapped.

Pull and rotate one end of the floss around the post twice in the opposite direction that it was wrapped.

Step 9

• Pull and remove the floss from the bit driver.
• If the floss is difficult to remove, try pulling on the other end. You can hold the gap between the cap and the bit driver at eye level to see if the floss is still looped around the post.

Pull and remove the floss from the bit driver.

If the floss is difficult to remove, try pulling on the other end. You can hold the gap between the cap and the bit driver at eye level to see if the floss is still looped around the post.

Repair didn’t go as planned? Ask our iFixit Precision Bit Driver Answers community for help.

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                                                                                      8 other people completed this guide.                                             

Author

                                      with 1 other contributor 

                    Kyle Smith                     

Member since: 02/01/2021

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Duck - Nov 19, 2021

Reply

Great guide.

Saddaf Khan - Nov 20, 2021

Reply

Thanks for this information. I was worried about this but now I am Happy.

Ryan Coleman - Dec 31, 2021

Reply

Well that’s interesting. My blue cap popped off the screw. I had to use superglue… :-\

Ignas Kaz - May 10, 2022

Reply

Ok this is an epic repairability and culture standard that is demonstrated with this article - posting instructions on how to repair your own products! I wish this kind of attitude would spread in all tech industries.

I run a small tech startup myself, and this article just inspired me to do the same for the products we develop