Service manual

VARI❋LITE® - VL2500™ SPOT LUMINAIRE SERVICE MANUAL
38 29-May-2009 02.9676.0020 B
Pan Motor / Pan Belt Assembly Replacement
Parts:
21.9678.0864 - Pan Motor Assembly
54.2055.0001 - Pan Motor Belt
To remove and replace pan motor assembly:
Step 1. Using console or internal menus, run lens as far to the rear as possible.
Step 2. Disconnect luminaire AC input cable from power source.
Step 3. At each top enclosure cover, remove two 6-32 x 1/4" PPB screws and
remove cover.
Step 4. In each corner from top, remove four 6-32 x 3/8" PPZ screws.
CAUTION: Be careful not to damage lens during next step.
Step 5. Carefully lay luminaire on its side, ensuring that lens does not come into
contact with any surface.
Step 6. At bottom of enclosure, remove four 1/4-20 x 1/2" socket screws and 1/4"
split lock washers and remove ventilation cover.
Step 7. Remove pan motor side handle by removing two 10-32x5/8" PPB screws.
Step 8. At enclosure bottom, remove two 6-32 x 1/4" PPB screws and pan motor side
cover.
Step 9. At side of enclosure, remove two 6-32 x 3/8" PFZ screws and two 6-32
KEPS nuts that hold two cable saddles. Pull wiring out of way of pan motor.
Step 10. Loosen (but do not remove) four 10-32 x 3/4" SCB Cap screws.
Step 11. Move pan motor assembly toward pan pulley and remove belt.
Step 12. Remove four 10-32x3/4" SCB Cap screws.
Step 13. Pull assembly out (be mindful of tension springs).
Step 14. Disconnect wiring.
Step 15. Replace by performing Steps 3 through 14 in reverse order.
Note: Make sure wiring is not pinched during installation. When tightening four 10-
32x3/4" SCB Cap screws that mount Pan Motor Assembly, you must tighten in a
CLOCKWISE pattern starting with screw in lower left-hand side from spring.