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 Gravel or dirt roads Level, cross-country terrain Hilly, cross-country terrain |
1000 miles at varying speeds up to maximum 1000 miles at varying speeds up to maximum 1000 miles at varying speeds up to maximum 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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