System 75 XE to R8si (Blowback)
Task List: System 75 XE to R8si
SI Installation and Upgrades
243
June 2004
11
Attach the cabinet to the front mounting angle using 4 No. 12-24 by 1/2-inch thread-forming
screws.
12
In the rear of the cabinet, lay the stiffener on the bottom of the cabinet aligning the stiffener with
the holes in the bottom of the cabinet.
13
Fasten the cabinet to the floor (
Figure 48, Cabinet earthquake mounting — concrete floor,
on page
244).
NOTE:
You install the earthquake front plate and earthquake ground plate later in the upgrade
procedure.
Figure 47: Front mounting angle
—
concrete floor
CABINET
3/8-16 X 1.25 BOLT (2 REQ’D)
THREAD-FORMING SCREW
CONCRETE ANCHOR
NYLON INSULATING WASHER
(2 REQ’D)
NO. 12-24 X 1/2 INCH
(4 REQ’D)
FRONT
MOUNTING
ANGLE
CONCRETE FLOOR
(2 REQ’D)
CABINET
3/8-16 X 1.25 BOLT (2 REQ’D)
THREAD-FORMING SCREW
CONCRETE ANCHOR
NYLON INSULATING WASHER
(2 REQ’D)
NO. 12-24 X 1/2 INCH
(4 REQ’D)
FRONT
MOUNTING
ANGLE
CONCRETE FLOOR
