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Chapter 4---Maintenance (Removal/Replacement)
The power interlock switches for both covers are attached
to each cover hinge.
5. When the Latch Levers are inserted into the holding
slots, lift the cover off. Be careful not to brush against
any of the internal components of the projector when
removing the cover. If any undue resistance is felt, stop
to locate the source before proceeding.
6. Replace the covers in reverse order from above. When
replacing either cover, make sure the slot in the cover
fits over the bottom of the projector case or the cover
will not close correctly.
4.3 Air Filters
Air filters should be cleaned whenever necessary. In extremely
dusty or dirty conditions, the filters should be cleaned more
frequently. Remove the filters and vacuum them or blow them
clean with compressed air. They may also be washed with soap
and water.
There are 4 polyurethane air filters in the Model 200 that require
periodic cleaning. They are located as follows:
• 1 metal-framed filter in the rear of the projector in the bottom
cover-accessible when the rear cover is off (Figure 4-1).
• 1 filter on the bottom of the projector-slides out from the
middle-left side of the projector (grasp the hole in the filter
frame). The filter can be peeled off the Velcro on the frame, if
necessary (Figure 4-11).
• 1 filter under the front cover, on top of the Arc Lamp and
Optical Assemblies-accessible with the front cover off (Figure
4-1). This filter is also a peel-off type.
• 1 metal-framed filter in the front-left-bottom cover accessible
with the front cover off (Figure 4-11).
4.4 Arc Lamp Assembly
The Arc Lamp Assembly consists of the Arc Lamp, the Ignitor, and
the Laser Power Supply housed inside a Lamphouse Dock. An
Arc Lamp can be removed and replaced separately from the entire
assembly. The Ignitor and Laser Power Supply are sent back
together as part of the Lamphouse Dock.
Model 200 Service Manual 4-5