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3EM13853AF
Issue 01, September 2007
DLP-132
Replace Fan-Tray Assembly (15 RU Shelf)
PURPOSE
This procedure provides instructions to remove and install a fan-tray assembly.
RECOMMENDED TOOLS
Phillips screwdriver, #2 × 6-inch
STEP
PROCEDURE
Remove upper trim panel from chassis. See figure 132-1.
1
Grasp outer edges of trim panel and gently pull it toward you.
2
Temporarily remove all cables from auxiliary cable-guide and place them aside.
3
Use #2 Phillips screwdriver to loosen two thumbscrews on auxiliary cable-guide panel.
4
Use #2 Phillips screwdriver to loosen thumbscrews on fan-tray assembly.
5
Remove auxiliary cable-guide panel from chassis.
6
Grasp outer edges of auxiliary cable-guide panel and gently pull it toward you.
7
WARNING: Possibility of equipment damage. Operating node for more than
8
5 minutes with fan-tray assembly removed may cause node to overheat and
disrupt network traffic.
Ensure replacement fan-tray assembly is close by, unpacked, and ready to install
immediately. Check outer edge of replacement fan-tray assembly to ensure EMI
gasket is in place and not damaged.
9
DANGER: Possibility of personal injury. Keep your fingers away from rotating fan
blades. Pull fan-tray assembly by thumbscrews only. Wait for fan blades to stop
spinning before you attempt to remove fan-tray assembly completely from chassis.
Grasp two thumbscrews and pull fan-tray assembly out about 1 inch from chassis.
Wait about 15 seconds for fan blades to stop spinning.
Remove fan-tray assembly from chassis (see figure 132-2) and place it aside.
10
Replace Fan-Tray Assembly (15 RU Shelf)
DLP-132
5-53
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