Service manual

VARI❋LITE® - VL1000™ ERS LUMINAIRE SERVICE MANUAL
20 23-Oct-02 02.9663.0010 D
Lamp Replacement (Arc Model)
Parts:
575 WATT ARC LAMP, MSR575HR (71.2528.0575) - A/AS/AI
Tools:
#2 Phillips screwdriver, cotton gloves
CAUTION: Wear cotton gloves or other covering while installing lamp. Touching
lamp glass with bare fingers will leave oil and may cause the lamp to explode or
reduce lamp life. If touched, use alcohol and cotton cloth to thoroughly clean glass
portion of lamp.
To install arc lamp:
Step 1. Remove power from luminaire.
Step 2. At backcap, gradually loosen two 10-32x2-3/8" PPSS black screws
(Figure 2-3) a few turns at a time until backcap is free. (Screws must be
alternately loosened to prevent one side from locking up.)
Figure 2-3: Removing Arc Backcap
10-32x2-3/8 PPSS
Black Screws (captive)
Backcap
Rear Head
CAUTION:
Do not touch lamp
with bare fingers.
- loosen each gradually
Assembly
Alignment Stud (2)
Alignment Hole (2)
Align when
re-installing
CAUTION:
Holes and studs MUST be
aligned when re-installing.
Backcap Interior View