Lifting and tiedown attachments.

Page Title: Lifting and tiedown attachments.
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MIL-S-52124B(ME)

4.6.2.4 Lifting and tiedown attachments. Apply the static load

specified in 3.20 for lifting attachments and 3.21 for tiedown

attachments to the attachments after the attachments are mounted on the

screening unit or section, as applicable. The direction of the applied

load shall be in the direction in which the load is normally applied.

Weld failure or permanent deformation of the attachment or of any com-

ponent of the screening unit or section shall constitute failure of this

Anchor each section of the

4.6.2.5 Tiedown attachments (d

screening unit independently, as sectionalized for rail transport, to

a flatcar using only the tiedown attachments. Use no blocking. Hump

the flatcar at a speed of 7 miles per hour against five boxcars with

their brakes set. Repeat the test with the opposite end of the section

in the direction of the five cars. Any permanent deformation or break-

age of the tiedown attachments or parts of the section shall constitute

failure of this test.

4.6.2.6 Electromagnetic interference. The preproduction model shall

be tested to determine conformance to 3.17. The supplier shall furnish

to the contracting officer the test report required by MIL-STD-461.

Disapproval of the report shall constitute failure of this test.

4.6.2.7 Production test. Operate each screening unit for a period

Of 1 hour without processing material. Test each brake system in

accordance with TTMA RP3-1-12. Any operational difficulties, breakage,

or permanent deformation shall constitute failure of this test. Operate

brakes, nonconformance to 3.16.1.4 shall constitute failure of this test.

4.7 Inspection comparison. The Government may select screening units

at any time during the contract production period and subject these

screening units to the examination specified in 4.6.1 and the tests

specified in 4.6.2 through 4.6.2.6 to determine that the quality of the

selected screening unit is equal to the quality standards established

during initial production testing. The inspection will be performed by

the Government at a site selected by the Government. Screening units

will be selected at random from those which have been accepted by the

Government and will not include the previously inspected preproduction

model and initial production screening unit(s).

4.7.1 Inspection failure. Failure of any screening unit when

inspected as specified in 4.7 maybe considered cause for refusal

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