Figure 14 Base Removed From Aluminum Extrusion - Federal Signal Corporation Legend LGD Installation, Operation And Service Manual

Figure 14 Base removed from aluminum extrusion

ALUMINUM
EXTRUSION
3. Remove the vent plugs and/or grommets from base(s) if applicable.
4. Reinstall the new base with the vent plugs and/or grommets from the previous
base(s).
DO NOT OVERTIGHTEN: To prevent damage to the light bar, do not
overtighten the screws or nuts.
a. Make sure the new base has a new end gasket and lip seal. See "Replacing an
End Gasket" on page 42 and "Replacing a Lip Seal" on page 42.
b. If the light bar is on the vehicle: Start the base onto extrusion, insert the first two long
carriage bolts into their wells, then hold the bolts up while sliding the base further
onto the extrusion. Repeat this procedure with the two remaining long carriage
bolts. The top barrel nuts may be temporarily installed to hold the bolts in position.
If the light bar is off the vehicle: With the light bar inverted, start the base onto
extrusion, and then drop the carriage bolts into each of their wells.
Installation, Operation, and Service Manual
Federal Signal www.fedsig.com
LIP SEAL
Maintaining and Servicing the Legend
INTERMEDIATE
PCB ASSEMBLY
PCB CONNECTOR
CARRIAGE BOLT (4)
END PCB
ASSEMBLY
BASE RETAINER SCREW
BASE
END GASKET
290A6863
41