Dell Latitude C840 Service Manual page 59

Battery and Module Bay Latches: Dell Latitude C840 Service Manual
1 wear ribs (2 on underside)
2 bumps
3 slider
4 spring
5 bottom case
6 latch housing (2)
7 latch buttons (2)
8 location of snap tabs (2)
Removing and Replacing the Battery and Module Bay
Latches
1. Follow the instructions in
2. Remove the keyboard.
3. Remove the hinge
4. Remove the display
5. Remove the palm
6. Remove a latch button from the bottom case by squeezing the snap tabs in the center of the
latch.
Tape over or hold down the upper latch assembly (spring and slider) to hold the assembly in
place. Apply downward pressure to the snap tabs while squeezing them together (tweezers work
well) to eject the latch button from the underside of the bottom case without loosening the upper
latch assembly. If the upper latch assembly does come loose:
a. Slide the spring onto the slider, and reinstall both pieces in the latch housing on the
inside of the bottom case.
b. Ensure that the slider is inserted so that the side with the two bumps is facing the back
of the bottom case, and the surface with the wear ribs lies against the upper surface of
the bottom case.
7. Hold the upper latch assembly in place while you snap the new latch button in from underneath
the bottom case, making certain the snap tabs are fully engaged in the slider.
Ensure that the newly installed latch assembly moves smoothly and freely when pushed and released.
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"Preparing to Work Inside the
cover.
assembly.
rest.
Computer."