Christie CP2230, Service Manual

Page: 72 / 150

5-12 CP2230 Service Manual
020-100562-06 Rev. 1 (05-2016)
Section 5: Parts and Module Replacement
5.6.3 LAD Filter
The LAD Filter is mounted together with the LAD fan in the light engine compartment. This assembly is
secured to the light engine handle. The LAD filter is responsible for filtering the already filtered air from the
light engine compartment, which is then directed to each DMD via clear tubing. The LAD filter rarely requires
replacement, but should be inspected regularly.
(Estimated Replacement Time: 4 m 2 minute calibration)
1. Remove the front top lid. Refer to 5.5.1 Front Top
Lid, on page 5-6.
2. Remove the high security lid. Refer to 5.5.2 High
Security Lid, on page 5-6.
3. Pull the LAD filter out. ( Figure 5-14 )
4. Install a new LAD filter repeating the above
instructions in reverse.
5. Disconnect the three LAD hoses (one going to each
DMD) and turn projector power on using the TPC.
This allows any shavings from the removal and
replacement process to be blown out of the LAD
hoses, but not onto the DMDs.
6. Re-connect the three LAD hoses.
5.7 Fans
5.7.1 LAD Fan
The LAD fan is located in the light engine compartment. It is mounted to the light engine handle.
(Estimated Replacement Time: 10 m 2 minute calibration)
1. Remove the front top lid. Refer to 5.5.1 Front Top Lid, on
page 5-6 .
2. Remove the high security lid. Refer to 5.5.2 High
Security Lid, on page 5-6.
3. Using a #2 Phillips
™
, loosen the two screws securing the
LAD fan assembly to the light engine assembly handle
(
Figure 5-15 ).
4. Remove the #1 Phillips
™
screws securing the filter
housing to the plastic frame.
5. Disconnect the LAD Fan harness (Fan 4) from the inline
connector.
6. Install a new LAD fan repeating the above instructions in
reverse.
Figure 5-14 LAD Filter
Figure 5-15 Remove LAD Fan Assembly