Nortel BCM200 Installation And Maintenance Manual page 327

Figure 178 Remove the BCM400 fan access panel
Remove fan access
1
panel screws
5
Disconnect the I/O card fan cables (see
disconnect both fan cables from the I/O card.
Figure 179 Disconnect the fan cable from the I/O card
6
Remove the snap rivets that hold the fan to the fan access panel. The snap rivet has two parts:
a center pin and a collar. Gently separate the plastic rivet pin with your fingernails from the
center of the rivet collar. Remove the rivet pin and collar from the fan access panel. Place the
rivet pin and collar in a safe location. See
Chapter 25 Replacing or installing a cooling fan
Remove fan access
2
panel
Figure
Main Card
Figure 180 on page
BCM200/400 4.0 Installation and Maintenance Guide
179). For the BCM400 RFO configuration,
Disconnect from
redundant fan (fan #2)
Disconnect from
I/O Card
single fan (fan #1)
328.
327