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Application and distribution
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Distributors, Liquid Bituminous Meterial, Tankless-Type, Trailer-Mounted
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Human factors engineering inspection



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MIL-D-435F(ME)
4.5.2.8.4 Operations. The following operations shall be performed:
a.
Pump bitumen from a tank into another tank without bitumen entering the spraybar.
b.
Pump bitumen from a tank through the spraybar back to the tank.
c.
Pump bitumen from a tank through the spraybar and out the nozzles.
d.
Pump bitumen from a tank to the hand-spray attachment. Spray bitumen using
hand-spray attachment.
e. Withdraw bitumen from the spraybar and all piping and return it to a tank.
f. Pump flushing oil through all piping and the spraybar.
g. Withdraw bitumen from the hand-spray attachment and return it to a tank.
4.5.2.8.5 Spraybar adjustments and alinement. Adjust the spraybar laterally and vertically
throughout the full range for each adjustment and measure the range of adjustment. Then adjust
the 24-foot spraybar for no crown and measure the elevation of nozzles at the center and both
ends of the spraybar. Fold up the extended ends of the 24-foot spraybar into its travel position
and measure the spraybar width. Spraybar lateral adjustment or vertical adjustment less than
specified, elevation of any nozzles not within +1/2 inch of any other nozzle, spraybar not folded
up and locked as specified, or width of spraybar in travel position greater than 96 inches shall
constitute failure of this test.
4.5.2.8.6 Failure criteria. Inability of the distributor to perform any of the above specified
operations shall constitute failure of this test.
4.5.2.9 Speed and indicating device. Tow the distributor over a measured distance of not
less than 5,000 feet at an indicated speed of 500 fpm. Determine by a stopwatch and record the
time required to travel the measured distance at the indicated speed of 500 fpm. Record the
trip-indicator reading at the start and at the end of the measured distance traveled.
4.5.2.9.1 Failure criteria. Indicated speed not being within 5 percent of actual speed or
indicated distance traveled not being within 5 percent of actual distance traveled shall constitute
failure of this test.
4.5.2.10 Type II operational.
4.5.2.10.1 Pump capacity. Pump asphalt cement, grade 85-100 penetration, at a temperature
of not greater than 285 F into a container for 60 seconds at a discharge pressure of not less than
50 psig and at maximum discharge rate. The 60-second period shall be determined by a
stopwatch, and the volume of asphalt cement shall be determined by weight using unit weight
and weight-to-volume conversion.
4.5.2.10.2 Operations. The following operations shall be performed:
a. Pump bitumen from one tank to another tank.
b. Reverse the flow of bitumen from that specified in a. above.
c. Pump bitumen to the hand-spray attachment and spray bitumen with the hand-spray
attachment.
d. Withdraw bitumen from the hand-spray attachment and return it to a tank.
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