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Maintaining and Servicing the Legend
4. Rotate the LED assembly to the selected position.
DO NOT OVERTIGHTEN SCREWS: To avoid damage to the HotFoot
assembly, do not over tighten the screws.
5. Tighten both Phillips Plastite screws securing the LED assembly to the
mounting plate.
6. Secure the mounting plate to the foot by tightening the Plastite screw.
Replacing the ROC Panel Assemblies
To replace the ROC panel assembly:
1. Remove the dome over the panel as described in "Removing and Inspecting
the Domes" on page 39.
2. Remove the 1/4-inch bolt and disconnect the black ground wire.
3. Invert the ROC panel, note and record the connections, and then disconnect
the wires and harnesses.
4. If required, remove the controller as described in "Removing the Controller" in
the next section.
5. On the replacement ROC panel, connect the wires and harnesses.
6. Reinstall the controller if necessary, as described in "Reinstalling the Controller"
on page 46.
7. Turn the ROC panel over and connect the ground wire using the 1/4-inch hex
bolt removed in step 2.
8. Reattach the dome as described in "Reinstalling the Domes" on page 40.
Servicing the Light Bar Controller
The controller generates and receives the signals that control the light bar's flash
patterns. If the light bar fails, the problem may be one or more blown fuses. To
replace a fuse, you can remove the controller from the aluminum extrusion without
completely disconnecting it.
STATIC SENSITIVE DEVICE: This light bar circuitry can be damaged by
electrostatic discharge (ESD). Follow anti-static procedures when servicing
this light bar.
Removing the Controller
To remove the controller:
1. Remove the passenger-side end dome as described in "Removing and Inspecting
the Domes" on page 39.
44
Legend LGD and Legend LPX Light Bars
Federal Signal www.fedsig.com
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