IBM 5280 Technical Newsletter page 164

Page of SY31-0600-1
As updated September 7, 1981
By
TN
L
SN20-9656
513 LOGIC CARD COVER
REMOVAL AND REPLACEMENT
Removal
1. Power off.
2.
Remove data station covers (031).
3. Push down on the top of the cover
fJ
and release
the four latches
0
(two on each side of the cover)
by pulling the cover away from the logic board
I).
4. Press down on the side of the logic card cover
fJ
and release the lower edge of the cover from its
latch on the logic card frame. (Note the location
of the logic card insertion tools on the logic cards.)
5. Press down on the other side of the logic card
cover
fJ
and release that lower edge of the cover
from its latch on the logic card frame. The cover
can now be listed from the logic cards.
CAUTION
The logic cards will overheat if patch cards (either
RDS patch or dummy patch) are not installed.
6. When no RDS patch cards are installed, install
dummy patch cards to ensure correct air flow.
86.2
513
Replacement
For replacement of the logic card cover, observe the
following cautions and reverse the steps in the removal
procedure.
CAUTION
Ensure that all cables are properly placed to prevent the
cover from cutting the cables.
CAUTION
Ensure that the card insertion tools are placed properly in
the cover to prevent damage to the logic cards.