Top Cardcage Intake Fans (2 Fans); Bottom Cardcage Exhaust Fans (2 Fans) - Christie D4K25 Service Manual

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
Figure 5-16.
1. Remove the front top lid. See
Lid, on page 5-5.
2. Remove the high security lid. See
Security Lid, on page 5-6.
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 5.4.9 PIB3G/ICP Cover,
on page 5-9.
2. Remove the front top lid. See
5.4.2 Front Top Lid, on page 5-
5.
3. Remove the high security lid.
See 5.4.3 High Security Lid, on
page 5-6.
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 5-17).
5-14
5.4.2 Front Top
5.4.3 High
Figure 5-17 Cardcage Exhaust Fans
Figure 5-16 Cardcage Intake Fans
D4K25 Service Manual
020-100880-01 Rev. 1 (06-2012)