Vari Lite VL4000 BeamWash Luminaire, Service Manual

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R
OUTINE
M
AINTENANCE
: P
RISM
R
EMOVAL AND
I
NSTALLATION
0 2 . 9 7 0 4 . 6 0 1 0 0 23
2
Prism Removal and Installation
To remove and replace prism:
Step 1. Before removing power from luminaire, move Edge towards front of luminaire with control
console or via luminaire menu system.
WARNING: Remove power from luminaire and allow luminaire to cool completely before
performing this procedure.
Step 2. Remove power from luminaire and allow luminaire to cool completely.
Step 3. Remove head cover assembly as indicated in Figure 2-12 by loosening four captive screws
and lifting cover away from luminaire head. Note, head cover is attached by a safety tether.
Figure 2-12: Replacing Prism
CAUTION: Wear protective gloves or other protective covering while handling prism to avoid
leaving fingerprints. If dirty, clean with isopropyl alcohol and a soft, lint-free cloth.
Step 4. De-tension belt by loosening ¼" hex standoffs on top of sensor.
Step 5. Slide belt off of prism assembly.
Luminaire Head
Head Cover Assembly*
Assembly
* Head cover is secured with a tether.
Captive Phillips
Screws (x4)
Prism Assembly