PRG Best Boy 4000 Service Manual page 38

Step 3. At menu TEST screen, press "Clean Lenses." The Cleaning Lenses screen will open.
Step 4. Press "Pos1" to position lenses in first cleaning configuration.
CAUTION: When cleaning, do not allow the cleaning cloth to come into contact with the lens carrier rail. The
rail has lubrication that will contaminate the cleaning cloth. Wear cotton gloves or finger cots.
Step 5. If lenses are only dusty, use Micro Fiber cloth to carefully wipe lens surfaces. If further cleaning is required,
use OptiMax™ Ultra Pure Cleaning Solution and a Micro Fiber cloth to clean.
Step 6. At menu, press "Pos2" to position lenses in second cleaning configuration. (This will allow access to the
remaining lens surfaces.)
Step 7. As in Step 5 above, clean remaining lens surfaces and front of luminaire Front Glass (Figure 3-8).
CAUTION:
Front Glass
Retaining
Ring
®
30 BEST BOY 4000 SPOT LUMINAIRE FIELD SERVICE MANUAL
Do not handle front
glass with bare hands.
Notch
Figure 3-8: Removing Front Glass
Front Lens
Note: Ensure gasket under Front Glass is not
damaged or missing before reinstalling.
DO NOT use window cleaner!