Grex Hardware Conference

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Grex Hardware Item 185: CD-Writer tray ejecting is flaky.
Entered by vivekm1234 on Sun May 21 16:49:00 UTC 2006:

My CD-Writer is on the blink. I opened it up and the small rubber belt used
to eject the tray is loose. Is there any way to fix this. I'm not sure i could
get a spare. Can't i use a rubber band instead?

4 responses total.

#1 of 4 by rcurl on Sun May 21 17:08:29 2006:

It might be an O-ring, which are readily available. Does it have a flat or
round cross-section? If round, what is its cross-section diameter?

#2 of 4 by vivekm1234 on Mon May 22 04:56:20 2006:

It's is O shaped..well circular..not elliptical..it had a rectangular CS.
I washed it and heaved it back in. The tray doesnt eject and i have to use
a pin to force it out. I'll try some rubber-bands.

Any way to measure the CS diameter accurately..its 1-2mm in dia (rough
estimate). I was wondering if i could somehow make the band more adhesive,
by applying some compound..without having the gunk fly all over the shop,
or some way to make the rubber contract..

#3 of 4 by rcurl on Mon May 22 06:03:23 2006:

Try an O-ring anyway. They are available in more sizes, both in cross section
and circumference, than rubber bands. (The "O" in O-ring stands for the cross
section, while "ring" applies the, well, ring.) See
http://en.wikipedia.org/wiki/O-ring for some O-ring faqs. They are widely
used as seals in plumping so that limits sizes available at hardware stores.

#4 of 4 by gull on Thu May 25 17:56:48 2006:

Places that sell VCR repair parts have a wide selection of belts. 
Usually you measure the length of the existing belt, subtract 10% or so 
for stretch, and order that size.

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