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First vehicle preliminary inspection
Trucks: Elevating Body, Diesel and Gasoline Engine Driven, 21,000 to 39,500 Pounds GVW, 4x2 and 6x4 Commercial
Elevating body speed test

Subframe, trunnion, yoke, body cylinder guides, and attaching areas
Struts, hoisting mechanism
Structural steel of body and subframe
Rear tailgate support areas, type I stake and platform
Front platform support areas, type II van.
4.4 First 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.
4.4.1 Weight and GVW. The first production vehicle shall be weighed to determine the curb
weight and the distribution of the curb weight on the front and rear axles. The imposed loading
on the front and rear axle(s) shall be computed by the contractor and verified by the Government
and compared to the capacities of the suspension, axles, and tires to assure these components are
of adequate capacity to meet contractual requirements. Distribution of weight shall be computed
by using the curb weight, the operator weight at 175 pounds, and a payload to provide the
required GVW (see 3.2.5).
4.4.2 Road test prior to operational tests. Prior to the tests in 4.4.4 through, the first
production vehicle shall be road tested. The vehicle, loaded to required GVW (see 3.2.5) and
with all equipment specified herein, shall be driven at speeds up to at least 55 mph, for a
minimum distance of 30 miles. The distance traveled shall consist of highway, rough dirt roads,
partly surfaced gravel roads, puddles, and sharp turns. For each 10 miles of travel at least one
sudden stop shall be accomplished. Upon completion of the road test, all equipment shall be
thoroughly examined. The equipment shall show no evidence of damage; all body and cab doors
shall properly open and shut; there shall be no evidence of mud or dust inside type II van and
there shall be no evidence of racking of the body.
*  4.4.3 Body treatment and painting. A 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.
4.4.4 Operational testing. Upsetting and range of movement. With the vehicle resting on approximately level
ground and not fastened to any artificial base, the body shall be loaded with the test load
specified in table V. The body shall be extended to its full height, lowered to travel position and
raised to increments of one third, two thirds, and its full height, and lowered to travel position.
The body shall be observed to insure that it stays level and for malfunctions or permanent
deformation. The tires and outriggers shall be observed to insure they remain in contact with the

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