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Preventative maintenance actions
12.1 Monthly maintenance actions
MAINTENANCE TYPE A (perform every month)
The 1 month maintenance actions, listed below, may be performed by a trained projectionist who is
familiar with potential hazards associated with the product.
No.
Maintenance action
1
Check both dust filters of the projector for dust and
grease.
Grease on the filter 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.
•
If the filters are contaminated with dust than cleaning the
filters with a vacuum cleaner should be sufficient.
•
In case the filters feel greasy than the filters must be
washed.
Take into account that the time needed to dry the dust filters
may be 24 hours or more. For that, it's recommended to
have a second set of dust filters which can be used while
cleaning the first set.
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.
3
Check the porthole (both sides) for dust.
12.2 Three monthly maintenance actions
MAINTENANCE TYPE B (perform every three months)
The 3 month maintenance actions, listed below, may be performed by a trained projectionist who is
familiar with potential hazards associated with the product.
150
R5906897 /02
Prometheus III
Remarks
Replace damaged filters immediately.
See procedures "Remove and clean
the front dust filter", page 154,"Remove
and clean both bottom dust filters",
page 155.
To speed-up drying, allow the filter(s) to
dry at 50°C max in a well ventilated
room.
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 Home &
Return" action must be executed to
calibrate the position of the lens in
relation to the Lens Holder. This way
the references of the existing 'lens files'
remain valid. See user guide of the
Communicator software.
Clean the porthole in case dust is
clearly visible upon the surface. Use an
optical cloth.
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