Specifications

The air horns shall be recess mounted in the front bumper face, one (1) on the right side of the bumper in
the inboard position relative to the right hand frame rail and one (1) on the left side of the bumper in the
inboard position relative to the left hand frame rail.
AIR HORN RESERVOIR
One (1) air reservoir, with a 1200 cubic inch capacity, shall be installed on the chassis to act as a supply
tank for operating air horns. The reservoir shall be isolated with a 90 PSI pressure protection valve on
the reservoir supply side to prevent depletion of the air to the air brake system.
ELECTRONIC SIREN SPEAKER
There shall be one (1) Federal Signal Inc. Dynamax® model ES100, 100 watt speaker provided. The
speaker shall measure 5.90 inches tall X 5.50 inches wide X 2.70 inches deep. The speaker shall
include a Federal Signal “Electric F” style grille which shall measure 6.61 inches tall X 6.78 inches
wide.
ELECTRONIC SIREN SPEAKER LOCATION
The electronic siren speaker shall be located on the front bumper face on the right side outboard of the
frame rail in the far outboard position.
FRONT BUMPER TOW HOOKS
Two (2) heavy duty tow hooks, painted to match the chassis frame, shall be installed in a rearward
position out of the approach angle area, bolted directly to the side of the chassis frame with grade 8
bolts.
CAB TILT SYSTEM
The entire cab shall be capable of tilting approximately 45-degrees to allow for easy maintenance of the
engine and transmission. The cab tilt pump assembly shall be located on the right side of the chassis
above the battery box.
The electric-over-hydraulic lift system shall include an ignition interlock and red cab lock down
indicator lamp on the tilt control which shall illuminate when holding the “Down” button to indicate safe
road operation.
It shall be necessary to activate the master battery switch and set the parking brake in order to tilt the
cab. As a third precaution the ignition switch must be turned off to complete the cab tilt interlock safety
circuit.