15- PERIODIC CLEANING
Front head Glass
The dust can reduce the luminous output substantially. Regularly clean the front head glass using a
soft cotton cloth, dampened with a specialist glasses cleaning solution.
16- PERIODIC CONTROLS
Mechanical parts
Periodically check all mechanical parts and the gaskets;
Please refer to an authorized D.T.S. service centre in case mechanical parts should be replaced.
Electrical components
Periodically check the unit for correct earthing (grounding) on Main AC cable.
Attention: Disconnect mains power before any servicing or maintenance
Fuse replacement
Locate the fuse, which protect the electronics, in the base of the unit.
Using a multimeter, test the condition of the fuse, replacing it with one of equivalent type if
necessary.
Attention: Disconnect mains power before any servicing or maintenance
Air passages
Air passages on head thermal dissipator must be cleaned approximately every 6 weeks. This
periodic cleaning will depend of course, on the conditions in which the projector is operating.
Suitable instruments for performing this type of maintenance are a brush and a common vacuum
cleaner or an air compressor. If necessary, clean the air passages more frequently.
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DELTA 8 R
22
