System 75 Small-Cabinet to R8si (Blowback)
Task List: System 75 Small Cabinet to R8si
SI Installation and Upgrades
307
June 2004
Figure 80: Cabinet earthquake mounting
—
concrete floor
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Install circuit packs [75 small upgrade]
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!
WARNING:
Before inserting or removing a circuit pack from a cabinet, put on a wrist strap and attach
its plug or clip to the cabinet’s frame.
1
For a carrier upgrade only:
Install the new R8si control circuit packs into control carrier A. See
Figure 81, Representative
J58890AH control carrier,
on page 308, the new decal, and the annotated
list configuration all
(provided with the R8si translation memory card) as a guide.
!
WARNING:
The reinstalled port circuit packs must conform to the usable vintage requirements for an
R8si system (see Reference Guide for Circuit-Pack Vintages and Change Notices).
2
Install the port circuit packs previously removed into the A carrier using the decal and the
annotated
list configuration all
(provided with the R8si translation memory card) as a guide.
CONCRETE ANCHOR
(2 REQ’D)
CABINET FOOT
SIDE VIEW
(2 REQ’D)
CABINET
STIFFENER
FLOOR
NOTE: BOLT DOES NOT RUN THROUGH CABINET FOOT
NYLON
INSULATING
WASHER
NOTE:
(2 REQ’D)
3/8-16 X 3.25 INCH
HEX BOLT