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 WARNING

All effective sirens and horns produce loud sounds (120
dB) that may cause permanent hearing loss. Always
minimize your exposure to siren sound and wear hearing
protection. Do not sound the siren indoors or in enclosed
areas where you and others will be exposed to the sound.

12. Test the speaker for proper operation.

E.

SERVICE.

Opening the unit will void the warranty. This speaker has no

field serviceable parts. The factory can and will service your
speaker. If you are experiencing problems with the speaker, send it
to:

Service Department
Federal Signal Corporation
2645 Federal Signal Drive
University Park, IL  60466

290A3864

RADIATOR

CROSSBAR

1/4-20 x 5/8" HEX WSH. HD.
SELF THREADING SCREWS

1/4" SPLIT

LOCKWASHERS

SPEAKER/BRACKET
ASSEMBLY

5/16" SPLIT

LOCKWASHER

PLASTIC
PANEL

5/16" FLAT
WASHER

5/16-18 x 1" 

HEX HEAD

CAP SCREWS

Figure 3.

-3-

SAFETY MESSAGE TO PERSONNEL SERVICING FEDERAL

SIGNAL SIREN SPEAKERS

 WARNING

The lives of people depend on your proper servicing of
Federal products. It is important to read and follow all
instructions shipped with the products. In addition, listed
below are some other safety instructions and precautions
you should follow:

Read and understand all instructions in this manual
before servicing the electronic siren or speaker.

To properly service an electronic siren or speaker: you
must have a good understanding of automotive electrical
procedures and systems, along with proficiency in the
installation and service of safety warning equipment.
Always refer to the vehicle's service manuals when
performing service on a vehicle.

Electronic circuit and speaker repairs must be performed
by a qualified and competent electronic technician.

Your hearing and the hearing of others, in or close to your
emergency vehicle, could be damaged by loud sounds.
This can occur from short exposures to very loud sounds,
or from longer exposures to moderately loud sounds. For
hearing conservation guidance, refer to federal, state, or
local recommendations. OSHA Standard 1910.95 offers
guidance on “Permissible Noise Exposure.”

All effective sirens and horns produce loud sounds (120
dB) that may cause permanent hearing loss.  Always
minimize your exposure to siren sound and wear hearing
protection. Do not sound the siren indoors or in enclosed
areas where you and others will be exposed to the sound.

DO NOT connect this system to the positive terminal of
the battery until servicing is complete, and you have
verified that there are no short circuits to ground.

In order for the electronic siren to function properly, the
ground connection must be made to the NEGATIVE
battery terminal.

After repair, test the electronic siren and speaker system
to ensure that it is operating properly.

Federal Signal siren amplifiers and speakers are
designed to work together as a system. Combining a siren
and speaker from different manufacturers may reduce
the warning effectiveness of the siren system and may
damage the components. You should verify or test your
combination to make sure the system works together
properly and meets both federal, state and local stan-
dards or guidelines.

Failure to follow all safety precautions and instructions may

result in property damage, serious injury, or death to you or others.

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