PRG Best Boy Field Service Manual - Manual (Page 39)

BEST BOY 4000 ® SPOT LUMINAIRE FIELD SERVICE MANUAL 31
CAUTION: Be extremely careful when removing Retaining Ring and Front Glass in next step. The glass can
be easily chipped or cracked. Wear cotton gloves or finger cots when handling the glass.
Step 8. To clean backside of Front Glass and front of Lens Group , remove Front Glass as follows:
a. Position luminaire head so that Front Glass is facing upward. (To prevent it from falling onto the floor
when the Retaining Ring is removed in the next step.)
b. Insert flat screwdriver under notch in Front Lens Retaining Ring. Carefully remove Retaining Ring.
c. Remove Front Glass and place facedown on a Micro Fiber cloth.
d. Using OptiMax™ Ultra Pure Cleaning Solution and a Micro Fiber cloth, clean both sides of Front Glass
and front of Lens Group.
DO NOT use window cleaner!
e. Ensure gasket under Front Glass is not damaged or missing.
f. Re-install Front Glass.
CAUTION: "Done" MUST BE pressed at the menu to complete the procedure. If the lens motors are left in
the cleaning configuration for too long, they may be damaged due to overheating.
Step 9. At menu, press "Done." This will free the motors and recalibrate the lenses.
Step 10. Replace Head Cover.
Cleaning Luminaire Exterior
Tools & Supplies:
Lint-free cloth
Window cleaner
Vacuum cleaner with brush nozzle or compressed air
#2 Phillips screwdriver
To clean luminaire:
WARNING: Remove power from luminaire before this procedure.
CAUTION: Use ONLY OptiMax™ Ultra Pure Cleaning Solution to clean optical components. DO NOT use
Window Cleaner on lens!
Step 1. Remove power from luminaire.
Step 2. Using vacuum cleaner with brush nozzle or compressed air, clean dust from external components. If using
compressed air to clean out luminaire, DO NOT allow fans or blower to spin at high speeds, as this will
damage their bearings.
Step 3. Using window cleaner and a clean, lint-free cloth, wipe outside surface of luminaire.
DO NOT use window cleaner on lens!