Front Cover

Removal

1.Set the power switches of the attached devices to Off.

2.Set the power switch of the system unit to Off.

3.Disconnect the power cable.

4.Set the key mode switch to the Service position.

5.Remove the key from the key mode switch.

6.Remove media from the diskette drive.

7.If your system unit has a rear cover, do the removal procedure in ªRear Coverº on page 3-3.

8.Do the ªTop Coverº removal procedure on page 3-4.

9.Lift the latch/latches to unhook the cover.

10.Depending on your system unit, rotate the top of the front cover forward about 45 degrees and pull forward or, pivot the left side of the front cover outward and remove.

11.On some system units, the cover can be placed at the front of the machine without disconnecting the key lock and mode switch cable (P22).

Attention: Do not operate the system unit with the covers removed. Operating with the covers on ensures adequate cooling of the components.

Your system unit will resemble one of the following illustrations.

Except for Models 380, 390, 39H, and 397

Latches

1

Models 380, 390, 39H, and 397

2

Latch

1

3-6Installation and Service Guide

Page 65
Image 65
IBM 7012 manual Front Cover, Except for Models 380, 390, 39H, Latches