17. Servicing
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1
Image 17-3
Front filter
CAUTION: Never install a used HEPA fi lter. Always install a new HEPA filter.
17.3 Replacement of the dust filter on the bottom side
Necessary parts
• New HEPA dust filter for the bottom side (R9854480).
• 2.5 mm Allen key.
How to replace the HEPA dust filter on the bottom side
1. Remove the side cover of the projector, see "Removal of the side cover", page 224.
2. Release (not remove) the two wedge lock screws (A) using a 2.5 mm Allen key as illustrated. (image 17-4)
3. Remove the filter (F) on the bottom side by pulling out the filter holder (H) as illustrated. (image 17-5)
4. Place a new HEPA dust fi lter in the filter holder.
Caution: Make sure that the airflow indicated on the dus t filter match with the airflow of the fans.
5. Reinstall the filter holder containing the new HEPA filter.
6. Fasten the two wedge lock screws (A) using a 2.5 mm Allen key as illustrated. (image 17-6, image 17-7)
7. Reinstall the side cover of the projector, see "Installation of the side cover", page 227.
A
A
Image 17-4
Bottom filter, lock screws
R5905158 HDF W SERIES 10/07/2012 233
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