15. Maintenance
15. MAINTENANCE
About this chapter
This chapter contains detailed maintenance procedures like dust filter replacement, lens cleaning etc. These procedures can easily
be performed by the operator of the projector.
CAUTION: All HEPA filters of the FLM HD20 projector must be replaced on a regular basis, depending on the
environment conditions of the projector.
CAUTION: The pressure of the liquid cooling circuit should be checked regularly. This pressure, indicated on
the internal manometer, should be between 0,5 and 1 bar. If not, corrective action should be taken by qualified
technical service personnel.
HEPA
High Efficiency Particulate Absorbing
Overview
• Replacement of the dust fi lter on the front side
• Replacement of the dust fi lter on the bottom side
• Replacement of the dust fi lter on the top side
• Pressure verification of the liquid cooling circuit
• Cleaning the lens
• Cleaning the exterior of the projector
15.1 Replacement of the dust filter on the front side
Necessary parts
New HEPA dust filter for the front side (R9854470).
How to replace the HEPA dust filter on the front side of the projector ?
1. Remove the front cover of the projector, see "Removal of the front cover", page 179.
2. Remove the HEPA dust filter on the front side by pulling the two spring clamps away from the filter and then moving the filter
forwards.
2
1
Image 15-1
3. Insert a new HEPA
1
filter by pulling the two spring clamps away and move the fi lter into position.
4. Reinstall the front cover of the projector, see "Installation of the front cover", page 182.
1. High Efficiency Particulate Arrestant
R59770180 FLM HD20 11/07/2008 167
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