IBM 7012 300 Series Installation And Service Manual page 101

4. On Models 340, 34H, 350, 355, 360/36T, 365, 370/37T, and 375, install the two additional
screws for the SCSI port.
5. Insert the system planar and align it with the two aligning pins (rear pin first).
6. Install 7 of the 10 system planar screws, leaving out the two screws for the card guide
frame until you install the card guide frame. Also, leave out the ground strap screw until
you install the power supply. (Do not confuse the two holes in the system planar that line
up with the foot mounting screws with system planar mounting screws.)
7. For all models except 380, 390, 39H, and 397, do the Rear Fan replacement procedure
on page 3-45.
8. Do the Card Guide Frame replacement procedure on page 3-43.
9. Do the Power Supply replacement procedure on page 3-16, but do not plug in the power
cable.
10.Ensure that the ground strap from the power supply to the system planar is installed.
11. Replace all cards and I/O slot brackets in their previous positions.
12.Replace all adapter card cables.
13.Replace the other I/O cables (such as the keyboard and mouse).
14.Do the appropriate disk drive replacement procedure for your system unit located in the
"Disk Drive" section of this chapter.
15. For all models except 380, 390, 39H, and 397, do the Front Cover replacement
procedure on page 3-6.
16.Do the Top Cover replacement procedure on page 3-4.
17.Plug in the power cable.
18. If the system unit has a rear cover, do the Rear Cover replacement procedure on page
3-3.
19.Set the power switches of the attached devices to On.
20.With the key mode switch in the Service position, set the power switch to On.
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Installation and Service Guide