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Coolant system and indicators
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Truck,Firefighting,Structural, 1,000 GPM, 4 by 2
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Weight rating and distribution



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MIL-T-28571G(NAVY)
under severe operating conditions.
Engine hour meter shall be mounted on the
cab instrument panel.
.
3.4  In terchangeability .  All units of the same classification furnished with
similar options under a specific contract shall be identical to the extent
necessary to insure interchangeability of component parts, assemblies,
accessories , and spare parts.
3.5 Materials  Materials used shall be free from defects which would
adversely affect the performance or maintainability of individual components or
of the overall assembly.  Materials not specified herein shall be of the same
quality used for the intended purpose in commercial practice.  Unless otherwise
specified herein, all equipment, material, and articles incorporated in the work
covered by this specification are to be new and fabricated using materials
produced from recovered materials to the maximum extent possible without
jeopardizing the intended use.  The term "recovered materials" means materials
which have been collected or recovered from solid waste and reprocessed to
become a source of raw materials, as opposed to virgin raw materials.  None of
the above shall be interpreted to mean that the use of used or rebuilt products
are allowed under this specification unless otherwise specified.
3.5.1  Dis similar metals ,  Unless protected against electrolytic corrosion,
dissimilar metals shall not be used in intimate contact with each other.
Dissimilar metals are defined in MIL-STD-889.
3.6 Perfo rmance.  The fully equipped fire truck, loaded as specified in
3.8.1, shall be capable of the following:
a.
The service brakes shall control and hold the truck on a 30 percent
longitudinal grade.  The service brakes shall be tested with the
truck heading up-grade and also heading down-grade.
b.
The service brakes shall stop the truck within 35 feet from a speed
of 20 miles per hour (mph) on a dry, paved, smooth level surface,
free from loose material.
c.
The parking brakes shall hold the truck in a parked position on a 30
percent longitudinal grade with the truck heading up-grade and also
heading down-grade.
d.
The truck shall ascend a grade of not less than 30 percent in both
forward and reverse gears.
e.
The truck shall accelerate from a standing start to a speed of 35 mph
in not more than 30 seconds.  The test shall be conducted on a dry,
level, paved roadway.
f.
The truck shall accelerate from a standing start to a speed of 15 mph
in not more than 200 feet on an 8 percent grade.  The roadway shall
be dry and paved.
The truck shall maintain a minimum speed of not less than 60 mph on
g.
dry, level, paved roadway.
h.
The truck shall be subjected to an endurance road test consisting of
not less than 30 miles over paved roads at a maximum speed of not
less than 60 mph and not less than 10 miles over graded dirt roads at
a maximum speed of not less than 25 mph,  There shall be no evidence
of body distortion, water leakage, tire and body contact, malfunction
of components, or irregular chassis noise, resulting from the test.

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