Digital Equipment EK-SFXXS-SG-003, Руководство по обслуживанию

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SF7x Storage Enclosure FRU Replacement 6–11
CAUTION
Do not attempt the following steps unless you have taken
precautions against ESD. Wear an ESD grounding strap. Do
not place the disk ISE on anything other than a grounded
antistatic work surface. Failure to observe these precautions
can result in ESD damage to the disk ISEs.
6. Disconnect the cables to the disk ISE in the following order only
(Figure 6–3):
DSSI cable
OCP cable
Power cable
WARNING
The disk ISE weighs approximately 10 pounds. Be prepared
to handle this weight when the disk ISE comes free from the
storage enclosure.
7. Loosen the screws on the top and bottom wedges—do not remove
these screws—and push forward to loosen the disk ISE.
8. A retaining clip on the outside wall of the storage enclosure holds the
disk ISE in place. The retaining clip locks with a tab on the skid plate
(Figure 6–3). Release this clip and pull straight out on the disk ISE.
After the disk ISE is released, pull it slightly forward. Stop and note
how the edges of the skid plate slide between the guides in the upper
and lower walls of the drive position.
9. Grasp the disk ISE firmly and remove the disk ISE from the storage
enclosure. Take care not to damage the cables as you slide the disk
ISE out.
10. The FRU to be replaced was determined by the fault code displayed
on the OCP. Refer again to Table 6–1 or an error log.
11. At this time, you must remove the skid plate to replace either FRU.
With a #1 Phillips screwdriver, remove the four screws that secure the
skid plate to the HDA frame assembly (Figure 6–4).