IBM 3270 Maintenance Manual page 622

6. Slide the expansion board away from the
power supply
approxim~tely
13 mm (about 0.5
in.) un til the standoffs
II
can be lifted from
the mounting slots
ED .
7.
Lift the expansion board up and out of the
system unit.
m
(Side View)
Octo her 1984
5-1800-3