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Page Title:
Body, truck, stake bridge building operational test |
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|  MIL-T-740G
4.4.14.22 Trailer rack, ramps and tiedown accessories test. To determine conformance to
3.4.13.1.2, with the winch, load the trailer on the truck using the ramps. Secure the trailer and
the ramps in the loaded position. During the test make 5-U turns to the right and 5-U turns to the
left at a safe speed not less than 5 mph with the steering wheel turned against the stops.
Incompatibility between the trailer and ramps loaded on the truck, any obstruction or damage to
lights, or permanent shifting of the trailer and racks shall constitute a failure of this test.
4.4.14.23 Body, truck, stake bridge building operational test. To determine conformance to
3.4.14 through 3.4.14.1.4, the complete body and its components, mounted on M139A1,
M139A2, or M812 W/W truck chassis, shall be lubricated and serviced (see table IV). The body
shall be subjected to an 8 hour test specified in table XII. During these operations the truck shall
be loaded as specified. On conclusion of the test the body shall be free of defects specified
herein.
TABLE XII. Operational test (M328A1, M328A2 and M821 W/W.
Course
Hours and speed
Payload
Hard surface
2 hours at variable speeds up to
(see 3.4.3)
45 mph
Cross-country
6 hours at variable speeds up to
(see 3.4.3)
maximum
4.4.14.24 Dump and truck operational test. To determine conformance to 3.4.15, with
specified load in dump body, the controlling and operating mechanisms shall be operated and
observed for performance requirements.
4.4.14.25 Drop side cargo body operational test. To determine conformance to 3.4.16, the
tailgate and locking device shall be operated as specified, the drop sides interchanged from side
to side and examined for performance requirements.
4.4.14.26 Air transportability test. To determine conformance to 3.4.17, when required, the
vehicle shall be evaluated for air transportability.
4.4.14.27 Radio interference suppression test. To determine conformance to 3.4.18, the
vehicle shall be subjected to radio interference suppression test as specified in MIL-STD-462.
4.4.15 Painting, marking and data plates.
4.4.15.1 Painting examination. To determine conformance to 3.5.1, preparation and painting
shall be examined during and after application.
4.4.15.2 Marking examination. To determine conformance to 3.5.2, vehicle markings shall
be examined.
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