Rz22 And Rz23 Disk Drive Removal - Digital Equipment VAXstation 3100 Maintenance Manual

VS 3100 (Model 30) System 97
4.2.4 RZ22 and RZ23 Disk Drive Removal
The RZ22 and RZ23 drives contain an internal FRU called the drive
modlile/frame. You must always replace the drive module/frame first before
replacing the whole drive. H replacing the drive module/frame did not fix the
fault in the drive, you must replace the drive as one PRU since the head/disk
assembly (}IDA)
is
not a separate PRU. The following procedwe describes
how to remove the drive from the system and also how to .remove and replace
the drive module/frame on the RZ22 o.r RZ23 drive.
1. Remove the system box cover (Section 4.2.1).
2. Remove the drive mounting panel (Section 4.2.2).
3. Disconnect the SCSI bus data cable from the back of the RZ22 or RZ23
drive you are removing.
4. Tum the drive mounting panel over and remove the
fou.r
screws from the
drive. Support the drive with one hand when removing the last screw.
S. Disconnect the drive interconnect cable and remove the two screws with
an 1/8 inch Allen wrench (Figure 4-11).
Figure 4-11 Removing the HOA
TTl_X1Hl_H
MA-X1041-H