Will Burt Night Scan Chief Installation, Operation & Maintenance Manual page 21

Night Scan Chief
present. Contact with combustible materials can cause
ignition resulting in fire or explosion.
Before operating the Chief, be sure that there are no overhead obstructions and that there are no power
lines within 20 feet of the mast. Visually inspect the unit for any damage. If damage is apparent, do not
use the mast. Have it serviced prior to use. Check for any objects which might obstruct motion of the
mast or cause binding. Remove any material that may hinder mast function.
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