Lenovo ThinkSystem SR630 V3 - Page 152

Step 6. Re-install the handle to the LACM.
a. Place the module handle (LACM heat sink bracket) evenly on the LACM and align screw
holes.
b.
Tighten the screws. Ensure that the screws are secured in place.
Step 7. Disengage the LACM from processors.
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ThinkSystem SR630 V3 User Guide