Windsor-Severence Fire Protection District
Heavy Rescue
Production Specification
SVI #774 Page 29 of 126 April 19, 2010
ELECTRONIC COOLANT LEVEL INDICATOR
The instrument panel shall feature a low engine coolant indicator light which shall be located in the center of the
instrument panel. An audible tone alarm shall also be provided to warn of a low coolant incident.
COOLANT HOSES
The cooling systems hose shall be formed silicone hose and formed aluminized steel tubing and include stainless steel
constant torque band clamps.
ENGINE AIR INTAKE
The engine air intake system shall include an ember separator air intake filter which shall be located in the front of the cab
behind the officer side fascia. This filter shall protect the downstream air filter from embers using a combination of unique
flat and crimped metal screens constructed into a galvanized steel frame. This multilayered screen shall be designed to
trap embers or allow them to burn out before passing through the pack, while creating only minimal air flow restriction
through the system. Periodic cleaning or replacement of the screen shall be all that is required after installation.
The engine shall also include an air intake filter which shall be bolted to the frame and located under the front of the cab
on the officer side. The dry type filter shall ensure dust and debris safely contained inside the disposable housing,
eliminating the chance of contaminating the air intake system during air filter service via a leak-tight seal.
The air flow distribution and dust loading shall be uniform throughout the high-performance filter cone pack, which shall
result in pressure differential for improved horsepower and fuel economy. The air intake shall be mounted within easy
access via a hinged panel behind the headlight module. The air intake system shall include a restriction indicator light in
the warning light cluster on the instrument panel, which shall activate when the air cleaner element requires replacement.
ENGINE EXHAUST SYSTEM
The exhaust system shall include a diesel particulate filter and a diesel oxidation catalyst to meet current EPA standards.
The system shall utilize 0.065 inch thick stainless steel exhaust tubing between the engine turbo and the diesel particulate
filter. This section of the exhaust system shall be wrapped with a thermal cover in order to retain the necessary heat for
system regeneration. Zero leak clamps seal all system joints between the turbo and diesel particulate filter.
From the diesel particulate filter to the end of the tailpipe the system shall be plumbed with 0.065 inch thick aluminized
steel tubing connected with overlapping band style clamps. The discharge shall terminate horizontally on the officer side
of the vehicle ahead of the rear tires.
The exhaust system shall be mounted below the frame in the inboard position maximizing space for the body
compartments.
ENGINE EXHAUST ACCESSORIES
An exhaust temperature mitigation device shall be shipped loose for installation by the body manufacturer on the vehicle.
The temperature mitigation device shall lower the temperature of the exhaust by combining ambient air with the exhaust
gasses at the exhaust outlet.
(112 paginas)
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