User's Manual

Chapter 8: Installing, Removing, and Replacing Components
Removing and Replacing the System Control Board
Quantum Scalar i40 and Scalar i80 User’s Guide 225
9 Grip the thumbscrews and pull outward to slide the SCB out of the
library.
10 Re
move the new SCB from its packaging. Wrap the old SCB in the
antistatic bag that the replacement SCB was wrapped in.
11 P
osition the new SCB for installation as follows: The board
components face up. The flat part of the board faces down. The
thumbscrews are on the upper side of the SCB back plate (see
Figure
58 on page 226).
12 In
stall the new SCB by pushing the SCB into the slot until it stops. It
should slide smoothly and easily. When it reaches the end of its
travel, press firmly on the back panel of the SCB to “snap” it into
place.
13 Tighten the two thum
bscrews finger tight.
14 Conne
ct the Ethernet cable to the LEFT Ethernet port on the SCB (as
viewed from the back of the library; see Figure
58 on page 226).