Cleaning And Replacing The Air Filter - Hitachi 8755H User Manual

Cleaning and replacing the air filter

Please check and clean the air filter periodically. When the indicators or a message
prompts you to clean the air filter, comply with it as soon as possible. The air filter has two
kinds of filters inside. Replace the filters when they are damaged or too soiled. To prepare
the new filters, contact to your dealer and tell the following type number.
Type number : MU05611
When you replace the lamp, please replace the air filter.
An air filter of specified type will come together with a
replacement lamp for this projector.
.
Turn the projector off, and unplug the power cord. Allow
the projector to sufficiently cool down.
2.
Use a vacuum cleaner on and around the filter cover.
3.
Pull the filter cover knobs while lifting it, to take the filter
unit off.
4.
Use a vacuum cleaner for the filter vent of the projector
and both sides of the filter unit.
If the filters are damaged or too soiled, replace them according
to the following procedure number 5 to 7. Otherwise, please
jump to the procedure number 8.
5.
Pull the filter frame's knob up while holding the filter
cover to remove the filter frame, then take the filters out.
6.
Set new filters where former filters were. Put the larger
meshed filter into a filter cover first. Then put the finer
meshed filter on the larger meshed one.
7.
Put the filter frame back where it was.
8.
Put the filter unit back into the projector.
9.
Turn the projector on and reset the filter time using the
FILTER TIME item in the EASY MENU.
(1) Press the MENU button to display a menu.
(2) Point at the FILTER TIME using the ▼/▲ button, then press the ► button. A dialog will appear.
(3) Press the ▲ button to select RESET on the dialog. It performs resetting the filter time.
WARNING ►Before taking care of the air filter, make sure the power cable
is not plugged in, then allow the projector to cool sufficiently.
►Use only the air filter of the specified type. Do not use the projector without the
air filter or the filter cover. It could result in a fire or malfunction to the projector.
►Clean the air filter periodically. If the air filter becomes clogged by dust or the like,
internal temperatures rise and could cause a fire, a burn or malfunction to the projector.
NOTE • Please reset the filter time only when you have cleaned or replaced
the air filter, for a suitable indication about the air filter.
• The projector may display the message such as "CHECK THE AIR FLOW" or
turn off the projector, to prevent the internal heat level rising.
Filter cover
Filter cover knobs
Filter unit
Filter frame
Filter (finer meshed)
Filter (larger meshed)
Filter cover