PRG VARI LITE VL5, Service Manual

Page: 64 / 142

54 VL5 ™ WASH LUMINAIRE SERVICE MANUAL
SERVICING
Cleaning
VL5Arc Lens Cleaning and Fluid Level Check
Tools:
Glass cleaner (commercial grade)
Clean, soft, lint-free cloth
To clean lens or check fluid:
WARNING: All maintenance procedures are to be performed with power removed from luminaire.
Step 1. Disconnect AC input cable from power source.
Step 2. Using glass cleaner and clean, soft, lint-free cloth, clean both sides of lens.
Step 3. Apply power to luminaire.
Step 4. Allow luminaire to warm up at least 30 minutes with positive pressure on lens (bellows drive shaft all the way
in).
Step 5. Drive bellows shaft back out.
Step 6. Check for air bubbles in lens. To remove bubbles, allow luminaire to stand in a vertical (nose up) position in
full positive pressure with lamp on for several hours to force air out of lens.
CAUTION: Always store a VL5Arc luminaire with full positive pressure to avoid air bubbles.
Step 7. Unlatch and open front lens ring.
Step 8. Check for the following:
a. Lens should contract enough to make the inside surface of lens look and feel smooth.
b. Lens honeycombs should not be convex, but may be slightly concave. (It is easier to determine by
touching the lens.)
Color Filter and Reflector Cleaning
Tools:
Glass cleaner (commercial grade)
Cotton balls
To clean color filters or reflector:
Step 1. Accessing reflector and filters:
a. Access reflector by unlatching and opening heatsink assembly.
b. Access outer filter sets by unlatching and opening heatsink assembly and front lens ring.
c. Access inner filter sets by separating the front and rear bulkheads. Refer to "Separating Front and Rear
Bulkheads" on page 32 .
Step 2. Using cotton balls, carefully clean dust, dirt, or other foreign materials from surface with glass cleaner.