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First production vehicle inspection |
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|  MIL-T-62319C
4.3 First production vehicle inspection. The first vehicle produced under the contract shall
be inspected by the contractor at his plant under the direction and in the presence of Government
representatives. The purpose of the inspection shall be to determine vehicle conformance to the
contract. Acceptance of the first production vehicle shall not constitute a waiver by the
Government of its rights under the provisions of the contract.
4.3.1 Vehicle weight. The first production vehicle shall be weighed to determine curb
weight and distribution of curb weight on the front and rear axles. The total imposed loading on
the front and rear axles shall be computed by the contractor and verified by the Government
using the curb weight, the operator weight at 175 pounds, and the payload required to provide the
specified GVW. Except as specified in 3.2.5, the calculated imposed loads on the front and rear
axles shall be compared to the suspension, axle and tire load capacity ratings to determine if
these components are of adequate capacity to meet contractual requirements.
* 4.3.2 Road test. The vehicle, for models built to 4 wheel drive while on the chassis
manufacturer's production line, shall be road tested by the contractor without payload. The road
test shall be for not less than 10 miles at speeds up to 50 mph. The vehicle, for 4 wheel drive
models qualifying under 3.1.1.13, shall be road tested with and without payload. Payload shall
be distributed first, so that the front axle is loaded to GAWR and the vehicle is loaded to GVW
and second, with the rear axle loaded to GAWR and the vehicle loaded to GVW. The road test
for each of the three conditions shall be for not less than 30 miles at speeds up to 50 mph over
highways and gravel roads and for not less than 5 miles at speeds up to 15 mph over cross
country terrain with ground and grade requiring all wheel drive. During the loaded and empty
portions of the road test, the brakes shall be applied firmly, bringing the vehicle to a sudden stop
no less than 5 times during each portion of the road test. During the road test, the front and rear
suspension and the drivetrain shall be periodically inspected for interference and contact with
other vehicle components. Abnormal contact of the drivetrain or suspension components with
other components shall be cause for rejection. Front spring bumpers shall not make contact with
frame stops except under the most extreme cross country conditions. Operational or mechanical
failures of vehicle components during the road test shall be cause for rejection. Failure includes
permanent deformation as well as breakage.
4.3.3 Truck body equipment and painting. The certification regarding the body cleaning,
treating, prime painting and salt spray resistance testing, as required by MIL-STD-1223, shall be
made to Government representatives at the first production vehicle inspection.
* 4.3.4 Wood treatment certification. Manufacturer's records shall be available to verify that
all wood requiring treatment in accordance with MIL-STD-1223 has been treated.
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