Lenovo ThinkStation P520 Hardware Maintenance Manual page 130

d. Insert tabs 1 , 2
Figure 44. Inserting tabs into the corresponding slots
7. To install a 3.5-inch storage drive into the conversion bracket, do the following:
a. Flex both sides of the bracket and align pins
holes in the new 3.5-inch storage drive.
b. Install the new 3.5-inch storage drive into the bracket. Do not touch the circuit board
Figure 45. Installing the new 3.5-inch storage drive into the bracket
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P520 Hardware Maintenance Manual
, and 3 into the corresponding slots. Ensure that the tabs are secured in place.
1 , 2 , 3 , and 4 on the bracket with the corresponding
5 on the drive.