Color Filter Replacement - Philips Vari-lite VL3500 Wash User Manual

Color Filter Replacement

Tools:
• lint-free cotton gloves
• #2 Philips screwdriver
WARNING: Remove power from luminaire before performing maintenance. Filters can be HOT
after operation. Allow the fixture to cool before replacing filters.
To replace a color filter on Color Wheel 1 (closest to the lamp):
Step 1. Remove power from luminaire.
Step 2. Remove bottom (relative to backcap label) head cover by loosening the four 1/4-turn screws.
Step 3. As shown in
CAUTION: Do not touch filters with bare fingers. Wear cotton gloves or other covering while
replacing filters. To clean filters, use isopropyl alcohol and soft cloth. Strong cleaning solutions can
damage coating. Fingerprints or other grease deposits on filters can cause the glass to break.
Step 4. Rotate Color Wheel 1 until the filter you are changing is accessible.
Step 5. To improve access to the filter, rotate the mixed color wheels to position the cut-outs next to
the filter you are changing.
Step 6. Gently press the color filter toward the lamp until it is free of the lock pins. Remove filter.
Step 7. Orienting coated side of filter towards lamp, slide new filter under the spring clip until it is
securely retained by the lock pins.
Step 8. Close the air-duct door. Replace the head cover.
To replace a color filter on Color Wheel 2 (closest to the lens):
Step 1. Remove power from luminaire.
Step 2. Remove top (relative to backcap label) head cover by loosening the four 1/4-turn screws.
CAUTION: Do not touch filters with bare fingers. Wear cotton gloves or other covering while
replacing filters. To clean filters, use isopropyl alcohol and soft cloth. Strong cleaning solutions can
damage coating. Fingerprints or other grease deposits on filters can cause the glass to break.
Step 3. Rotate Color Wheel 2 until the filter you are changing is accessible.
Step 4. To improve access to the filter, rotate the mixed color wheels to position the cut-outs next to
the filter you are changing.
Step 5. As shown in
lock pins. Remove the filter.
02.96 86.000 1 B
Figure A-5, open door on the cooling-air duct.
Figure A-5, gently press the color filter toward the lens until it is free of the
01 J un e 20 09
T
ROUBLESHOOTING AND
A
M
AINTENANCE
69