HP PROLIANT 580554-001 User Manual page 14

CAUTION: The jackscrews control the unseating and seating of critical system connectors.
Failure to use the jackscrews to remove and install the server B assembly can cause the system
boards to fail.
Engage the threads on jackscrew 1 and tighten six turns clockwise.
4.
Engage the threads on jackscrew 2 and tighten fully.
5.
Tighten jackscrew 1 fully.
6.
Operations 14