Chapter 10: Servicing the e-Q2B Siren System
e-Q2B Siren System
55
2.
Disconnect the Convergence Network cable from the back of the control head.
3
. Remove the two #6-32 x 1/4 Phillips screws securing the bracket to the rear of the control head
(Figure 10.3 on page 54). Retain the screws and the two #6 lock washers.
Reinstalling the Standard Control Head
To reinstall the control head in the vehicle:
1
. Secure the rear mounting bracket to the control head base with the two Phillips #6-32 x 1/4"
screws (Figure 10.3 on page 54).
2.
Reconnect the Convergence Network cable to the control head.
3.
Test the siren system to ensure that it is operating properly.
4.
Secure the rear mounting bracket to the mounting surface bracket with the two 1/4" external-
tooth lock washers and 1/4-20 x 3/4" hinge screws.
Removing and Reinstalling the Flush-Mount Control Head
The standard control head is secured in place by four #6B Phillips thread forming screws. Use
a small Phillips screwdriver to remove the screws and pull the control head from the mounting
location (Figure 5.4 on page 39). Disconnect the Convergence Network cable from the back of
the control head. Before reinstalling the control head with the four #6B screws, reconnect the
Convergence Network cable to the control head, and test the siren system to ensure that it is
operating properly..
Servicing the Siren Amplifier
Servicing the siren amplifier includes replacing damaged cables or external wiring and the 30-ampere
fuse. It also includes removing and reinstalling the siren amplifier when necessary. For information on
ordering replacement parts from Federal Signal, see page 57.
Tools needed:
✔
16" nut driver
✔
Flat-head screwdriver
✔
Small needle-nose pliers (for fuse replacement)
Removing the Siren Amplifier
To remove the siren amplifier for service or replacement:
1
. Remove and retain the installer-supplied #10-32 hardware.
2.
Disconnect the Convergence Network cable, serial cables, and speaker leads from the siren
amplifier.
3.
Loosen the two strain-relief screws securing the power connector and unplug the 3-position
power and ignition connector.
Summary of Contents for e-Q2B
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