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for the functions/options installed in your EMS Escape
lightbar. Switch current capacities should be at least 15
amps. If more than 4 rotators are connected to the same
wire, switch current capacities should be at least 20 amps.
EMS Escape light bars that are equipped with
strobes require the use of an external Federal
Signal Power Supply. Each individual strobe head
is supplied with its own strobe cable and accessory
kit.
4. Strobe Models Only.
See figure 5. The cable leads must be termi-
nated with the supplied connectors. The supplied connec-
tors mate with the connectors on Federal Signal power
supplies. Wiring should not be performed until the unit is
mounted as previously described.
Complete the wiring as follows:
a. Route the strobe cables to the Federal
Signal power supply.
b. Crimp the pins on the end of the strobe
head cables. Insert the pins in the connector housing(s) as
shown in figure 5 and push them until they snap into place.
The connector(s) can now be plugged directly into a Federal
Signal strobe power supply. Observe proper wire colors and
placement when assembling the connectors as shown in fig-
ure 5. Refer to the particular Federal Signal power supply
installation instructions for additional wiring details.
Any of the light bar functions can be activated by
applying 12VDC to the appropriate control line.
The heavy black lead (-) must be connected to ve-
hicle ground, to perform a function check.
5. Connect the black lead to chassis ground.
If wires are shorted to the vehicle frame
or each other, high current conductors can
cause hazardous sparks resulting in electri-
cal fires and molten metal.
Verify that no short circuits exist before con-
necting to the Positive (+) battery terminal.
DO NOT connect this system to the vehicle
battery until ALL other electrical connec-
tions are made and mounting of all compo-
nents is complete.
Failure to observe this WARNING will result
in fire, burns and blindness.
6. SignalMaster Option.
The SignalMaster option is completely wired
at the factory and does not require any additional wiring
NOTE
NOTE
WARNING
inside the light bar. All conductors necessary for control of
the SignalMaster are contained in the smaller cable.
For wiring and operation instructions, refer
to the instruction sheet packed with the applicable Signal-
Master control unit.
V.
MAINTENANCE.
High voltages may be present inside the
lightbar. Wait at least ten (minutes), after
shutting off power, before servicing this unit.
Failure to do so may result in property dam-
age, serious injury, or death to you or others.
Disconnect ALL power to the unit before any
maintenance is performed.
A. Cleaning Plastic Domes.
Ordinary cleaning of the plastic domes can be ac-
complished by using mild soap and a soft rag. Should fine
scratches or a haze appear on the domes, they can ordinar-
ily be removed with a non-abrasive high quality, automo-
tive paste wax.
The use of other materials such as strong
detergents, solvents, petroleum products, etc.
can cause crazing (cracking) of the plastic
domes.
B. Cleaning Reflectors and Mirrors.
Use a soft tissue to clean the reflector and mirrors.
Avoid heavy pressure and the use of caustic or petroleum
base solvents which will scratch or dull the surface.
C. Options.
Removing one EMS Escape lightbar endcap, the
endcap screws, the endcap gasket, and then sliding or re-
moving the necessary lenses and lens dividers can accom-
plish access to any particular EMS Escape Lightbar option.
1. Rotator Halogen Lamp Replacement (see
figure 6).
A serious injury may result if lamp is touched
when hot. Always allow lamp to cool before
removing. Halogen lamps are pressurized
and if broken can result in flying glass. Al-
ways wear gloves and eye protection when
handling the lamps.
Service life of lamp will be shortened if glass por-
tion is touched. If glass has been handled, clean
carefully with a grease solvent.
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