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|  MIL-T-46797B(AT)
the floor boards, and with bottom flanges not less than 7/8 inch wide. Floorboards shall be
accurately fitted between the hat shaped channels with 1/4 inch minimum diameter, self-tapping,
corrosion resistant screws, two at each cross sill and on each side of each butt joint. Screw heads
shall be countersunk.
*
3.5.3.7 Side and end racks. A full width front rack section, not less than three removable
rack sections on each side, and two removable rack sections across the rear, shall be provided.
Each rack shall be equipped with a locking device to lock the rack to the body. Body hardware
shall be attached to the rack slats with not less than 3 inches total weld for each fastener. Upright
posts shall be steel sections. Rack slats shall be of steel sections not less than 18 gage
(0.0478 inch) thick with not less than 3 reinforcing ribs. Width of individual slats shall be
manufacture's standard, providing that total of slat widths is not less than 60 percent of total rack
height. Not less than four slats per rack shall be provided. Slat edges and end corners shall be
rounded or enclosed to protect cargo and personnel from sharp edges. Slats shall be riveted,
bolted or welded to the inside (loadside) of the upright posts, with rivet or bolt heads against slat.
When welded construction is used, not less than 4 welds shall be applied at each up-right post
and slat intersection. The front rack section shall be capable of withstanding a horizontal static
load equal to 1/2 the payload capacity of the vehicle without permanent distortion of the rack
section or its mountings. The rear end racks shall be the manufacturer's standard swing type,
hinged to each side rack. Locking devices shall be provided near the center of the rear racks to
lock the racks closed and to lock the racks to the body. All locking devices shall be operable
from the ground.
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3.5.4 Hydraulic hoist. The body shall be provided with a hoisting mechanism capable of
lifting the fully loaded body to a level height of 10 feet, measured from the ground to the floor of
the body, and dumping the load. The hoist shall be the manufacturer's standard with a minimum
lifting capacity rating of class 40 in accordance with the TBEA Hoist Classification Chart. The
hoist shall lift the body through a minimum dumping angle of 45 degrees. The power takeoff,
pump and valve shall be the manufacturer's standard for the hoist model furnished. Sway
bracing within the hoist structure shall be provided. Means shall be provided to couple the truck
body to the chassis frame automatically when in the retracted position. A positive mechanical
safety device shall be furnished to insure that the power takeoff is disengaged before the vehicle
can be put in motion and that the vehicle cannot be put in motion with the power takeoff
engaged. The vehicle shall be equipped with positive stops to retain the lift and dump
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