IBM 3270 Maintenance Manual page 507

8088
Processor Removal
Warning:
• The pins on the processor module are easily
bent. Be careful not to bend them when
removing the coprocessor.
• The processor is sensitive to static. Maintain
personal grounding by keeping one hand on
the system unit frame while removing the
coprocessor.
1. Set the Power switch on the system unit (and
expansion unit, if attached) to Off.
2. Set the Power switches on all attached
devices to Off
3. Unplug the power cord of the system unit
(and expansion unit) from the outlet.
4. Disconnect all cables from the rear of the
system unit.
5. Remove the cover of the system unit (5-100-2).
5-100-14 Maintenance Information