KKK-A-1822 E
horsepower ratings shall conform to SAE J1349. Vehicle(s) being offered/supplied with catalytic
converters shall be identified to all purchasers.
NOTICE:
PURCHASERS SHOULD BE AWARE THAT, BECAUSE OF THE
SEVERE OPERATING CONDITIONS TO WHICH AN AMBULANCE IS
EXPOSED, THE USE OF A GASOLINE ENGINE RESULTS IN
SUBSTANTIALLY HIGHER UNDERHOOD AND UNDER VEHICLE
TEMPERATURES WHICH COULD SERIOUSLY IMPACT VEHICLE
RELIABILITY, DEPENDABILITY, SAFETY, AND MAY RESULT IN SOME
MANUFACTURER'S CHASSIS WARRANTY BEING VOIDED.
3.6.4
POWER UNIT COMPONENTS.
3.6.4.1 OIL FILTER.
The oil filter shall be the chassis manufacturer's standard for the engine offered.
3.6.4.2 AIR FILTER.
The air filter shall be the chassis manufacturer's standard for the engine offered.
3.6.4.3 AIR POLLUTION CONTROL (see 6.2-k).
Vehicles destined for the 50 states, the District of Columbia, Puerto Rico, the Virgin Islands,
Guam and American Samoa shall comply with the Environmental Protection Agency (EPA)
regulations governing Control of Air Pollution from New Motor Vehicles and New Motor
Vehicle Engines in effect on date of manufacture of the chassis/engine. In addition, vehicles
destined for California shall comply with State of California regulations governing air
pollution control in effect the date of manufacture. When specified (3.15.3-17), the vehicle
shall comply with the EPA high altitude regulations. For export vehicles, the chassis/
engine manufacturer's export vehicle emission package shall be furnished that complies
with destination requirements.
3.6.4.4 FUEL SYSTEM.
The fuel system shall conform to FMCSR, Subpart E, 393.65 and 3.4.9 herein. Unless
otherwise specified (see 6.2-e), fuel tank(s) capacity shall meet the range requirements in
part 3.4.9. When more than one tank is furnished, tanks shall be interconnected and, when
available from the chassis manufacturer, separately controlled and shall have a dash-mounted
fuel gauge controlled by a selector switch which will permit separate fuel level readings for
each tank. When available from the chassis manufacturer, the Class 2 ambulance shall
have the fuel tank(s) protected by a metal shield (skid-plate) and shall be located in an area
which will be free from hazards encountered in off-road, cross-country operation. A
permanent plate at the fuel filler opening shall be furnished specifying type of fuel required.
3.6.4.5 COOLING SYSTEM.
The engine cooling system shall be a closed, air free, liquid state type with a coolant overflow
recovery tank. The supplier shall provide the heaviest duty components and maximum size
cooling system available from the chassis manufacturer. The cooling system design shall maintain
the engine at safe operating temperatures at all drivable altitudes and grades encountered during
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