Vari Lite VL3500 Spot Luminaire, Service Manual

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M
AINTENANCE
P
ROCEDURES
: S
POT
O
PTIC
A
SSEMBLY
R
EPLACEMENT
0 2 . 9 6 7 8 . 0 0 1 8 A 31
2
Spot Optic Assembly Replacement
VL Part No: 22.9678.0103
Repair Procedure
Step 1. Disconnect luminaire AC input cable from power source.
Step 2. Remove both head covers.
Step 3. Disconnect all fan wires and yoke cable from optic assembly interconnect board.
Step 4. Remove fan (or entire gobo assembly).
Step 5. Remove lower head fan assembly for edge screw access.
Step 6. At linear actuator edge screw, remove nut using 11/32" socket and 3/8" wrench.
Step 7. Remove four clamps securing optic zoom box guide rods, being careful not to let optic box
fall.
Step 8. Remove spot optic assembly, being careful not to let the guide rails fall.
Step 9. Remove guide rails
Step 10. Install in reverse order, making sure guide rails ends are flush with back side of the rear
clamps.
Note: To prevent binding, thread edge screw all the way into linear actuator motor before re-
installing. Secure right-side (edge motor side) optic assembly clamps first when re-installing.
Figure 2-15: Spot Optic Assembly Replacement
Spot Optic Assembly
Top Head Cover
Fan
Guide Rods
Linear Actuator
Motor (see detail)
Thread all the way into motor
as shown before re-installing.
Optic Assembly Side View
Edge
Screw
Edge Screw
Motor
Clamp
(Secure this side
first when reinstalling.)