Vari Lite VL6 Series, Service Manual

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Step 6. At wheel 1/beam size iris motor assembly, remove four 6-32x3/
8"PPZ screws and #6 internal tooth lockwashers and separate
motor assemblyand heatshield from beam size iris assembly.
Step 7. Install replacement motors assembly and heatshield with four 6-
32x3/8"PPZ screws and #6 internal tooth lockwashers.
Step 8. Route beam size iris cable around idler pulley and wrap
clockwise around iris pulley three times ( Figure 3-13 ).
Figure 3-13: Reconnecting Beam Size Iris Cable
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Parts:
1 EA PCB ASSY, SENSOR, VL6 (24.9638.0113)
Tools:
Screwdriver, #2 Phillips
Loctite 242
To replace either wheel’s sensor PCB:
Step 1. Remove power from luminaire.
Step 2. Remove color bulkhead ( Figure 3-9 ).
CAUTION: Wear cotton gloves or finger cots when handling beam size
iris leaves, gobos, or filters.
Step 3. Remove Wheel 1 gobo wheel or Wheel 2 color filter wheel as
necessary. Refer to “Gobo/Filter Wheel Replacement” on page
84 .
Step 4. Remove sensor jumper cable by disconnecting 3-pos MTA recep-
tacle ( Figure 3-14 ).
Step 5. Using screwdriver, remove sensor PCB by removing two 4-40x3/
16"PPZ screws.
Step 6. Replace sensor PCB by doing steps 3 thru 5 in reverse.
Idler Pulley
Iris Pulley
Wrap cable clockwise
three times.