Question about Logitech Cordless TrackMan Wheel 904346-0403 Trackball

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Repair Help+Logitech Cordless TrackMan Wheel Mouse

I opened the bottom of the mouse to clean the area under the trackball and 2 small springs fell out and I cannot find out where they go.
Any help or a picture of the inside would sure help me.

Thank You, A disabled Veteran

E-mail: hueyfming@juno.com

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  • ladygeo Jun 16, 2008

    I opened the trackball and cleaned it out and the two metal spring things popped out. I am trying to find a picture to help me get these into the correct place so I can use the mouse again.

  • Anonymous Feb 27, 2009

    Thank you great pics and instruction.
    Resolved my headache.


    Thank you.



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The 2 little springs in my trackball go here:





Repair Help+Logitech Cordless TrackMan Wheel Mouse - 489fee8.jpg

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Posted on Aug 21, 2008

  • Honyok Aug 27, 2010

    Thank you Summer430 and Toolchick for taking the time with this excellent post. I opened mine up and made the same mistake but was able to fix it from your posts!
    -Honyok

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Do this first:

The piece with a circular loop on one end and a rectangular hook on the other end provides your wheel's "indexing": it's what makes the wheel feel like it's going "click-click-click" when you roll it. To position it:

1. Take out the black plastic support that the wheel sits in. Turn it "right side up", so that the lettering is on top and the circular hole is pointing to the right. (The wheel's axle will go in there). There should be a small hole facing toward you, rectangular on the bottom and semicircular on top.

2. Seat the metal hook. The rectangular part of the hook clides through the hole that is facing you. Now lay the hook down on the plastic support: you will see a small groove in the top of the support that the hook will lay in. the loop should now be hovering above a groove on the right side of the support (mine had a dab of yellow goo).

3. Slide the wheel's axle into the circular hole in the plastic support. The wheel's hollow side goes toward the support: The support, and the metal hook, should slide nicely into the hollow channel in the wheel (you might have to hold the hook down to slide it in). The metal hook should now sit between the knobby bumps on the wheel's hollow. If you turn the wheel, you should feel it click-click-click against the hook.

Now, seat the wheel.

1. For a right-handed trackman, the wheel-support goes to the left; the wheel goes to the right. Place the trackman on your desk in the usual position as if you were going to use it.

2. On the side of the trackman that is away from you (where your fingers would normally be), there are two vertical tracks that the wheel support fits into. One is about half an inch ahead of the other. Slide the support and wheel in there.

3. Now try rolling the wheel. It should roll fine, but you may notice that it has a bit of "play" to the left and right. That's where the other metal bit comes in.

4. Notice that the spring has a coiled section, and two legs. Hold the spring so that the legs are pointing down toward the desk. It should have its "left" foot forward.

5. Slide the spring over the wheel's right-side axle.

6. The legs sit in small grooves make of grey plastic; they're probably resting against those grooves right now. Use a small pair of pliers or tweezers to slide them in.

Put the cover back on and you're done!

Posted on Nov 04, 2008

  • Honyok Aug 27, 2010

    Thank you toolchick

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This diagram helped me put my track man back together again. Thank you.

Posted on Aug 28, 2008

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Wedged in the little holes (take the ball out and you will see them)Repair Help+Logitech Cordless TrackMan Wheel Mouse - 4ca03d4.jpg

Posted on Jun 16, 2008

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It Worked!!!! I couldn't tell where the strange looking spring was supposed to be positioned. The pics aren't high enough resolution to tell. But after some trial and error, I realized that it was suppose to be inside the wheel to keep it from moving freely. Thanks for the pics. You saved me from having to get a new trackman.

Posted on Oct 08, 2008

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