Federal Signal Electraray 224XST Instructions D'installation Et D'entretien page 12

Installation and Maintenance Instructions
beyond that shown in Figure 2, it should be replaced. See "Ordering
Replacement Parts and Accessories" on page 15.
1. Remove the strobe tube:
a.
Disconnect power from the electrical circuit.
b. Wait at least 5 minutes before removing the dome.
c. Loosen the retaining screw located on the bottom of dome.
d. Grasp the top of the dome and push down while turning the
dome counterclockwise approximately 3/4 inch (19 mm).
e.
Gently lift the dome away. Ensure that the gasket between
the dome and base is not lost.
f.
Loosen the screws in the retaining ring approximately
1/2 turn. The retaining ring can then be turned counter-
clockwise approximately 1/2 inch (13 mm), allowing it to
be lifted free of the light.
g.
Lift the interior lens from the light.
h. Grasp the strobe tube by the base and pull it out of the socket
using a gentle rocking motion.
2. Install the new strobe tube:
DO NOT TOUCH THE LAMP WITH BARE HANDS: Oil deposits
on the glass portion of the strobe lamp can cause the glass
to fracture during use. If you are unsure if the glass has been
handled without gloves, clean the glass using a soft cloth and
isopropyl alcohol before installing the lamp.
a. Install the new strobe tube, ensuring that the strobe tube is
fully seated in the socket.
b. Reinstall the interior lens.
c.
Reinstall the retaining ring, turning it clockwise approximate-
ly 1/2 inch (13 mm), and secure it with the screws.
Electraray
12
Models 224XST, 225XST, and 225XST-I
®