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3-54
7133 Service Guide
Pull the right-hand side (Models 010 and 020) or upper end (Models 500 and 600) of
the backplane assembly toward you, then pull the backplane assembly out through
the back of the 7133.
Replace parts in the reverse order.
Notes:
a. When you install the backplane assembly, do not tighten the four captive screws
in the bracket assembly and the four captive screws in the backplane assembly
until after you have reinstalled the power cards and signal or bypass cards. The
cards can be plugged in more easily if the backplane assembly is free to move
slightly.
b. If you are servicing a Model 020 or 600, ensure that you install two new plastic
air baffles 4 (part 31H8722). The baffles are self-adhesive. Pull off the
protective cover, and attach the baffles
c. When you reinstall the external SSA cables, ensure that you use the special
screwdriver (SSA tool, part 32H7059) to tighten the SSA connector screws.
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