Nortel Networks BCM200/400 - Manual (Page 338)

338 Chapter 25 Replacing or installing a cooling fan
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Figure 185 Disconnect the BCM200 fan cable from the I/O card
6 Remove the fan at the rear of the main unit (see Figure 186 ):
a Remove the snap rivets that hold the fan to the main unit. 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 the collar from the chassis. Place the
rivet pin and collar in a safe location.
b Pull the fan away from the main unit (from the interior).
c Place the fan in a safe location.
Figure 186 Remove the snap rivets from the BCM200 main unit
I/O Card
Main Card
Disconnect from
single fan (fan #1)
Main unit
Rivet pin
Rivet collar
Fan exhaust
Remove the rivet collar from
the fan access panel hole.
Remove the rivet pin from
the rivet collar.
2
1