Lenovo ThinkPad 770 Hardware Maintenance Manual for 770 series notebooks(Janua - Page 89

The right lever must touch the censor switch, damage the switch, thereby causing the bay LED

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FRU REMOVALS AND REPLACEMENTS Step Size (Quantity) 4 M2.5 x 4 mm, nylon coating (1) Color Yellow Torque (kgcm) 4 1. Be sure to distinguish the right and left bay eject lever; then replace the correct lever. If you have replaced the right lever, open and close it at least twice to ensure that it is seated in the correct position. The right lever must touch the censor switch correctly. Incorrect placement of the lever can damage the switch, thereby causing the bay LED not to work. ThinkPad 770, 770E, 770X and 770Z 83

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FRU REMOVALS AND REPLACEMENTS
1.
Be sure to distinguish the right and left bay eject
lever; then replace the correct lever.
If you have replaced the right lever, open and close it
at least twice to ensure that it is seated in the correct
position.
The right lever must touch the censor switch
correctly.
Incorrect placement of the lever can
damage the switch, thereby causing the bay LED not
to work.
Step
Size (Quantity)
Color
Torque
(kgcm)
±4²
M2.5 x 4 mm, nylon
coating (1)
Yellow
4
ThinkPad 770, 770E, 770X and 770Z
83