5-14
D4K25 Service Manual
020-100880-01 Rev. 1 (06-2012)
Section 5: Parts and Module Replacement
5.6.3 Top Cardcage Intake Fans (2 fans)
(Estimated Replacement Time: 20 minutes)
The cardcage intake fans are located on top of the
cardcage. These fans draw in air responsible for
cooling the cardcage electronics.
NOTE:
Two
additional fans can be installed to the top of the
cardcage - these are optional and not shown in
.
1. Remove the front top lid. See
2. Remove the high security lid. See
3. Disconnect the fan harness from the inline
connector.
4. Remove rubber isolators, remove fan(s).
5.6.4 Bottom Cardcage Exhaust Fans (2 fans)
(Estimated Replacement Time: 60 minutes)
The bottom cardcage fans are located directly under the cardcage assembly. These two fans draw air out of the
light engine/cardcage compartments. The cardcage assembly must be removed to access these fans.
1. Remove PIB3G/ICP cover.
See
2. Remove the front top lid. See
5.4.2 Front Top Lid, on page 5-
5.
3. Remove the high security lid.
4. Disconnect the two harnesses
from the fans (inline
connectors).
5. Disconnect the seven
connectors from the Backplane
PCB.
NOTE:
Power
connector is located at the rear
of the cardcage.
6. Pull the cardcage assembly out
- remove two screws from the
frame and loosen the thumbscrew at the bottom.
7. Using a 3mm hex driver, remove the two screws securing the fan compartment cover plate to the base
(
Figure 5-16 Cardcage Intake Fans
Figure 5-17 Cardcage Exhaust Fans