Air Filter - ViewSonic PJ452 - LCD XGA Projector-4.9LBS Service Manual

6-6 Air filter

● Do not replace the air fi lter during use or immediately after use. Handling while the projector is in a high
temperature could cause a burn and/or malfunction to the projector. Before operating, make sure that the
power swich is off, that the power cord is not plugged in, and that the projector is cool adequately.
● Use only the air fi lter of the specifi ed type. Do not use the projector with the air fi lter and fi lter cover
removed.
● Avoid wetting the projector or inserting liquids in the projector. It could result in a fi re, an electric shock,
and/or malfunction to the projector.
● Please replace the air fi lter when it is damaged or too soiled, and also when you replace the lamp.
When the indicators or a message prompts you to clean the air filter, clean the air filter as soon as possible.
If the air filter becomes clogged by dust or the like, internal temperatures rise and the power may be auto-
matically turned off for malfunction prevention.
1. Disconnect all the connectors and adapters that were connected to the projector's ports. Then slowly turn
the projector so that the lens-side is facing up. Please be careful for a projector not to fall. While the projector
is placed lens-side up, hold the projector.
2. Remove the filter cover and the air filter. Hold the knobs while pulling out it.
Usual filter cover
Filter cover for bottom-up use
3. Apply a vacuum cleaner to the vent of the projector for the air filter. And then slowly turn the projector
bottom up.
4. Apply a vacuum cleaner to the air filter and filter cover.Then set a new or cleaned air filter into place.In
case of the filter cover for bottom-up use, remove the air filter from the filter cover.
Please replace the air filter when it is damaged or too soiled.
The air filter type number = NJ20922
An air filter of specified type will come even with the replacement lamp for this projector.
ViewSonic Corporation
WARNING
Filter cover's
knobs
Filter cover's
knobs
Claws
Rail of air filter
Filter cover for bottom-up use
CAUTION
Air filter's
knob
Air filter
Confidential - Do Not Copy
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PJ452