Lad Filter; Fans; Lad Fan - Christie CP4230 Service Manual

5.5.3 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 minutes + 2 minute calibration)
1. Remove the front top lid. Refer to
Lid, on page 5-6.
2. Remove the high security lid. Refer to
Security Lid, on page 5-7.
3. Pull the LAD filter out. (Figure 5-15)
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.
5.6

Fans

5.6.1 LAD Fan

The LAD fan is located in the light engine compartment. It is mounted to the light engine handle.
(Estimated Replacement Time: 10 minutes + 2 minute calibration)
1. Remove the front top lid. Refer to
page 5-6.
2. Remove the high security lid. Refer to
Security Lid, on page 5-7.
3. Using a #2 Phillips
LAD fan assembly to the light engine assembly handle.
(Figure 5-16)
4. Remove the #1 Phillips
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
7. 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.
CP4230 Service Manual
020-100622-04 Rev. 1 (05-2016)
5.4.2 Front Top
5.4.3 High
5.4.2 Front Top Lid, on
5.4.3 High
, loosen the two screws securing the
™
screws securing the filter
™
Section 5: Parts and Module Replacement
Figure 5-15 LAD Filter
Figure 5-16 Remove LAD Fan Assembly
5-13