13. Preventative maintenance actions
13.1 1 month maintenance actions
MAINTENANCE TYPE A (perform every month)
The 1 month maintenance actions, listed below, m ay be p erformed by a trained projectionist who is familiar
with potential hazards associated with the product.
No. Maintenance action Remarks
1
Check both dust filters of the pr ojector for dust and grease.
Grease on the filter can build up after several months in an environment
contaminated with greasy air. Note that areas w here popco rn is consumed a re
subject to greasy air.
•Ifthefilters are contam inated with dust than cleaning the filters w ith a
vacuum cleaner should be sufficient.
• Incasethefilters feel g reasy than the filters must be wash ed.
Take into account that the time needed to dry the dust filters may be 24 hours or
more. For that, it’s recommen ded to have a second s et of d ust filters which can
be used while cleaning the first set.
Replace damaged filters immediately.
See procedures "Chec k the large dust
filter", p age 122, and "Check the small
dust filter", page 124.
To speed-up drying, allow the filter(s)
to dry at 50°C max in a well ventilated
room.
2
Check the surface of the lens output side for dust. (it is not needed to remove
the lens from the projector). Only clean if necessary.
Clean the lens output side in case dust
is clearly visible upon the surface.
Note: if the lens was removed from
the projector, a manual “Lens H ome
& Return” ac tion must be executed
to calibrate the position of the lens in
relation to the Lens Holder. Th is way
the references of the existing ’lens files’
remain valid. See use r guide of the
Communicator software.
3
Check the p orthole (both sides) for dus t. Clean the porthole in case dust is clearly
visible upon the surface. U se an optical
cloth.
118 R5906847 DP2K SLP SERIES 02/06/2017
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