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Preparation
Hitachi Compute Rack 220S CRU Replacement Guide
Removing the rear top cover
1.
Slide out the system unit from the rack cabinet.
See
Sliding out the system unit from a rack cabinet
2.
Remove the front top cover.
See
Remove the front top cover before removing the rear top cover.
Otherwise the front edge of the rear top cover is caught on the front
top cover and may be deformed.
3.
Loosen the two captive screws at the rear of the system unit.
4.
Press and slide the rear top cover toward the rear of the system unit.
5.
Lift up and remove the rear top cover from the system unit.
Figure 3-6: Remove the rear top cover
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