Christie D4K25, Service Manual

Page: 87 / 138

Section 5: Parts and Module Replacement
D4K25 Service Manual 5-35
020-100880-01 Rev. 1 (06-2012)
5.12.7 Main AC Blower
(Estimated Replacement Time: 60 m 10 minute LampLOC™ Alignment)
The Main AC Blower or Lamp Blower is located at the rear of the
projector directly behind the lamp.
1. Remove lamp door. See
5.4.7 Lamp Door, on page 5-8.
2. Remove lamp. See 5.12.5 Lamp, on page 5-30.
3. Remove the projector’s rear lid. See 5.4.11 Rear Lid, on page
5-10.
4. Disconnect the main AC blower power harness.
5. Using a 3mm hex key, remove the four screws securing the
blower to its mounting bracket ( Figure 5-49 ).
6. Carefully, remove the fan out the top of the projector.
7. When installing, repeat instructions in reverse. Perform
LiteLOC
™
.
5.12.8 Reflectors (Including Heat Dump)
(Estimated Replacement Time: 90 m 10 minute LampLOC™ Alignment)
1. Remove lamp door. See 5.4.7 Lamp Door, on
page 5-8 .
2. Remove lamp. See 5.12.5 Lamp, on page 5-
30.
3. Remove rear lid.
4. Remove the four hex screws securing the
reflector casting to the baseplate.
5. Remove the lamp anode yoke assembly. See
5.12.1 Anode Yoke, on page 5-27 .
6. Lift the casting up slightly to clear the
alignment pins, then tilt the top of the casting
forward and down.
7. Remove the entire reflector assembly out the
open lamp door.
8. Using a 3mm hex key, remove the four screws
securing the reflector cover (also called the heat dump).
9. Remove four pressure clips to remove the front and rear reflectors ( Figure 5-50 ).
When installing, repeat instruction in reverse. Perform LampLOC
™
alignment. For details, see 3.3 Adjusting
Lamp Position (LampLOC™), on page 3-3 .
Figure 5-49 Main AC Blower
Figure 5-50 Rear Reflector