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Federal Signal
signaling.fedsig.com
EXPLOSION HAZARD: To prevent ignition of hazardous atmosphere, disconnect the loudspeaker from the supply
circuit before opening it. Do not open the loudspeaker in the presence of explosive gases in the atmosphere. Failure to
follow this warning may result in serious injury or death.
During the working life of the loudspeaker, it should require little or no maintenance. The non-metallic housing will
resist attack by most acids, alkalis, and chemicals and is as resistant to concentrated acids and alkalis as most metal
products. However, if abnormal or unusual environment conditions occur due to plant damage or accident, etc., visual
inspection of the loudspeaker is recommended.
Cleaning the Enclosure
The enclosure should be cleaned periodically with a damp cloth to maintain maximum sound output. Periodic checks
should be made to ensure the effectiveness of this device has not been reduced because the loudspeaker has become
clogged with a foreign substance or because objects have been placed in front of the loudspeaker.
Lubricating the Threaded Joints
A silicone-based, non-hardening, chemically compatible grease can be applied if required.
