Cleaning lens and reflector, Cleaning glass lens, Cleaning the reflector – ETC Source Four PAR CE User Manual
Page 9: N o t e
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English
Step 2:
Hold the lens by the edge and position it so the convex side faces the rear of the
luminaire.
Step 3:
From the top of the luminaire, slide the lens behind the lens catchers and position it
behind the tabs on the bottom of the lens rotator ring.
Step 4:
Gently push the top of the lens inward until it snaps behind the spring clip.
Cleaning lens and reflector
Cleaning glass lens
Replace lenses if they contain visible damage (cracks or deep scratches) that may impair their
effectiveness.
Remove dust with a blast of oil-free air or wipe with a clean, lint-free cloth. Isopropyl alcohol, distilled
water or a 50%-50% mixture of each can be used to clean the glass surface.
Cleaning the reflector
To quickly clean the reflector, remove the lens (see
) and clean the dust
from the reflector with a blast of oil-free air. You may also wipe the reflector with a clean lint-free
cloth. If either method is not sufficient, follow these steps.
Step 1:
To protect the lamp housing during cleaning, remove the lamp housing by loosening the
knurled bolt and pulling the housing straight out. See
Figure 3
.
Step 2:
Remove dust with a blast of oil-free air or wipe with a clean, lint-free cloth. Isopropyl
alcohol, distilled water or a 50%-50% mixture of each can be used to clean the glass
surface.
Step 3:
Gently wipe the reflector.
Step 4:
Perform the steps in
.
Step 5:
Reinstall the lamp housing and tighten the knurled bolt.
N o t e :
Installing the lens with the convex side out will not impair the optics, but it will make
removing the lens difficult.
W A R N I N G :
Do not use ammonia-based or other harsh commercial cleaners. Clean lens
and reflector only as directed.
Commercially available glass cleaning agents should be avoided as they
may contain ammonia, other harsh chemical detergents or abrasive agents.
These cleaners may damage the glass surface and the Anti-Reflective
coatings. Do not immerse or soak the glass in any cleaning solution.
W A R N I N G :
Unplug the luminaire before attempting to clean the reflector.
Spring clip
Retaining clip
Lens Catcher
Spring clip
Retaining clip
Tab
Figure 7
Figure 8
Figure 9