Maintenance
22 1553-CNH 160 0787 Uen PA2 2005-09-23
Figure 7 Fan Tray Access
2. Unscrew the fan tray’s screw.
3. Grasp the fan-tray’s handle and pull it outward to disconnect it from the
ECN. Carefully slide the fan tray out of the ECN.
Caution!
The new Fan tray must be inserted immediately after the old one is re-
moved.
4. Install a new fan tray in the ECN by sliding it back into the empty slot.
Push in firmly so that the fan tray’s connector is fully engaged with the
ECN.
5. Screw and tighten the fan tray’s screw.
6. Check that the FAN status LED on the ECN front panel is off and that
both new fans are running.
7. Replace the fan tray plastic access cover on the ECN front panel by
pushing the cover’s right edge in until it snaps into place.
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