IBM eserver pSeries 690 Installation Manual page 74

2. Place the four rack-mounting bolts through the plate assemblies with the D-washer
positioned so that the straight side of the washer is facing inward toward the system
rack.
3. Place the isolator bushing (item 4 in illustration on page 56) inside the leveling foot
with a washer between the isolator bushing and the floor plate.
4. Turn the rack-mounting bolts three or four rotations into the tapped holes.
5. Turn the leveling foot of the plate assembly down until it contacts the mounting
plate, and then level the rack using the four leveling feet.
6. Lock the leveling feet by tightening the lock nut.
7. Tighten the four rack-mounting bolts into the mounting plates.
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pSeries 690 Installation Guide