Vari Lite VLX3, User Manual

Page: 91 / 98

T
ROUBLESHOOTING AND
M
AINTENANCE
A
02.9703.0001 A 17 December 2012 75
Cooling System Heatsink Cleaning Procedure
Tools:
• #2 Phillips Screwdriver
• Moisture and oil-free, compressed air duster
• Soft bristle, 1" Mottler brush
WARNING: Ensure that power is completely removed from luminaire before attempting any work.
Always wear eye protection and proper gloves when performing this procedure.
To clean the cooling system heatsinks:
Step 1. Remove power from luminaire and allow unit to completely cool.
Step 2. Carefully set luminaire on upper enclosure, rotate head as shown in
Figure A-2 , and engage
tilt lock.
Figure A-2: VLX3 Wash Luminaire
Step 3. Remove head covers by loosing the four 1/4-turn Dzus fasteners on each cover. Set covers
aside.
Luminaire Head
CAUTION:
Remove power and
allow fixture to cool.
Upper Enclosure
Head Cover
Head Cover
Dzus, 1/4-turn fastener
(x4 per head cover)