R5906790 /04 Athena132
15.1 Check the dust filters and foams
How to check the dust filters and foams?
1. Remove the front cover. See “Removal of the front cover”, page 138.
2. Click away out the big (1) & small (2) dust filter assembly from the front cover.
3. Remove the big (3) and small (4) foam filters from between the dust filter and front cover.
4. Check the “air in” side of the dust filters for dust and/or grease. Then check the foam filters for dust and/or
grease.
In case one of the filters or foams contains dust but doesn't feel greasy then vacuum clean it. See procedure
“Vacuum cleaning of the dust filters and filter foams”, page 133.
In case one of the filters or foams is contaminated with grease, wash and dry it. See cleaning procedure
“Washing and drying the dust filters”, page 133.
Note: Grease on the filters and foams can build up after several months in an environment
contaminated with greasy air. Note that areas where popcorn is consumed are subject to greasy air.
Tip: Take into account that the time needed to dry the dust filters and filter foams may be 24 hours or
more. For that, it's recommended to have a second set of dust filters and filter foams which can be
used while cleaning the first set.
5. Place the big (3) and small (4) dust foam onto the front cover.
6. Click the big (1) & small (2) dust filter assembly onto the front cover. Make sure you don't crush the foam while
doing so.
Caution: UNDER NO CIRCUMSTANCES SHOULD WET FILTERS BE INSTALLED BACK INTO THE
PROJECTOR. THIS CAN HAVE SERIOUS SAFETY CONSEQUENCES AS WELL AS JEOPARDIZE
THE INTERNAL OPTICS OF THE SYSTEM.
Image 15-1
7. Install the front cover. See “Removal of the front cover”, page 138.
Both the dust filter and filter foam are cleanable. The cleaning methods for the filters and foams are
identical. See the cleaning procedures for correct cleaning and drying instructions.
Even if only the filter or the foam needs to be cleaned, due to them being tied together to the front
cover it's useful to clean both at the same time.
Maintenance procedures
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