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Government proving ground vehicle test |
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|  MIL-T-45379D(AT)
4.4.2.1.2 Government proving ground vehicle test. After completion of Manufacturer's
Inspection on the first completed vehicle, a second vehicle, or vehicles, shall be selected
(see 6.2) from the first ten vehicle produced, and shall be subjected to inspections specified in
table XIX. Subsequent to these tests, the selected vehicle(s) shall be subjected to the 4000 mile
test specified in table XX at a site selected by the Government. This test will be performed by
the Government and will establish the baseline for subsequent Inspection Comparison Tests
(ICT) during the life of the contract.
TABLE XX. 4000 mile Government proving ground test.
Course
Mileage and speeds
Hard surface roads
1000 miles at varying speeds up to maximum
Gravel or dirt roads
1000 miles at varying speeds up to maximum
Level, cross-country terrain
1000 miles at varying speeds up to maximum
Hilly, cross-country terrain
1000 miles at varying speeds up to maximum
4.4.2.1.3 Initial production failure. Failure of an initial production vehicle because of any
deficiency of a workmanship or materials nature during or as the result of initial production
inspection and/or test shall be cause for rejection of the vehicle. Further, the Government may
refuse to continue acceptance of production vehicles until evidence has been provided by the
contractor that corrective action has been taken to eliminate the deficiency. Any deficiency
found, during or as a result of the 4000-mile test, shall be evidence that all vehicles already
accepted prior to completion of the 4000-mile test are similarly deficient unless evidence
satisfactory to the contracting officer is furnished by the contractor that they are not similarly
deficient.
4.5 Quality conformance inspections.
4.5.1 Preparation for acceptance tests. Before submitting a vehicle for acceptance tests
(see 4.5.2), the contractor shall have performed the following in-process inspections:
a. Parts, components, and assembly inspections in accordance with applicable drawings
and specifications.
b. Hull and turret installation (see 4.4.2.1.1).
c. Break-in run (see 3.4).
d. 8-mile road test (see 3.4.1).
e. Welding repairs (see 3.7).
f. Fuel tank and line cleanliness (see 3.3.12.1).
g. Heater fuel feed (see 3.3.12.2).
h. Engine and transmission pre-installation check.
i. 105mm gun balance (see 3.5.9.3.17.2).
j. Hydraulic line cleanliness (see 3.3.2).
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