Vari Lite VL6000 Beam Luminaire, User Manual

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T
ROUBLESHOOTING AND
M
AINTENANCE
A
02.9708.0002 27 April 2017 77
Cleaning Optical Lenses and Filters
WARNING: Remove power from luminaire before performing maintenance.
WARNING: Acetone is a harsh cleaning agent and solvent. Acetone is very flammable. Please handle
acetone according to manufacturer’s safety instructions and precautions.
CAUTION: Never use glass cleaners containing ammonia as they will damage the optical coatings.
The front lens, optics/color filters, and reflector may require cleaning after extended use.
•
FRONT LENS: Use a isopropyl alcohol with a soft, lint-free cloth to clean the front lens.
• OPTICS/COLOR FILTERS/ GOBOS: Use Acetone or Isopropyl Alcohol along with a soft, lint-
free cloth to clean the optics/color filters.
• REFLECTORS: Use Acetone or Isopropyl Alcohol along with a soft, lint-free cloth to clean the
reflectors.
CAUTION: Do not continuously rub color filters or reflectors - it may damage or remove the optical
coating.
CAUTION: Take special care when cleaning the front lens and reflectors. Failure to do so can
damage the IP22 rated seals and affect the alignment of the optics.
To access the front of the lens group, the primary reflector, and secondary reflector for cleaning,
follow these steps in order. Refer to
Figure A-7 .
Step 1. Disconnect luminaire from power source and place luminaire on sturdy flat surface.
Step 2. Remove both head covers by loosening four captive screws per cover with #2 Phillips
screwdriver.
Step 3. Remove both front inlet covers and associated air filters by removing 2 x 6-32 3/8” PPB
SEMS screws per cover. This step must be completed before removing the front lens
assembly.
Step 4. Clean air filters with mild soap and warm water. Ensure filters are dry before reinstalling.
Step 5. Remove front lens assembly by removing the 8 x 6-32 3/8” PPZ SEMS screws from inside.
Step 6. Remove the spider assembly by removing the 3 x 6-32 3/8 PFZ screws.
The front of the lens group, the primary reflector, and the secondary reflector can now be accessed for
cleaning.