High End Systems DL1 - Manual (Page 62)

5-2 General Maintenance and Troubleshooting DL.1 User Manual
Caution: Minimize the exposure of DL-1 fixtures to both glycol fog and
mineral oil. Do not situate DL-1 in areas of high fog density such as
directly in front of a fog machine or mineral oil hazer.
Replacing Parts
Warnings: Disconnect power before servicing.
Replace fuses with the specified type and rating only.
Equipment surfaces may reach temperatures up to 130° C (266° F).
Allow the fixture to cool before handling.
Replacing Filters
The fixture filters should be
checked whenever the display
flashes Service Filter.
To access the fixture filter:
1. Lock the fixture head in
place using the 90
°
pan
lock and the 0
°
tilt lock
settings as shown in
Figure 2-9 on page 2-12.
2. Unlatch and remove the
rear bezel assembly.
3. Loosen the two quarter-
turn screws on the top
cover and remove the top
cover.
4. Slide the top cover back
to free it from the front
bezel.
Inspect the filters:
5. Lift the prefilter away
from the filter bracket
6. Remove the two philips
pan screws securing the
filter bracket and lift the
filter unit off the fixture. Inspect both filters.
7. A dirty prefitler can cause an early Service Filter warning. If only the prefilter
looks dirty, clean it with water. Thoroughly dry the prefilter before proceeding.
Top cover
Filter bracket
Fixture Hepa Filter
Rear bezel
Latch
Quarter-turn screws
Philips
pan
screws
Safety cable
Tilt lock
Pan lock
Figure 5-1 Replacing the Projector Filter
Fixture Prefilter