MIL-P-14514G
4.5.2.10 Performance.
Prime and operate the assembled pump at the designed
operating speed and at a static suction lift equivalent to 10 feet of water at
standard conditions,
Test the pump for requirements specified in 3.10 in
accordance with the Rating Standards and Test Code Standards for centrifugal
pumps of the Hydraulic Institute.
Head, capacity, and speed (rpm) of the pump
shall be measured at not less than six points on the pump performance curve.
The measured points shall include the rating points (see 3.10), point of maximum
operating speed, wide open discharge, and shut-off.
The pump shall run for not less than 5 minutes at each measured point.
Nonconformance to the requirements of 3.10 shall constitute failure of this test.
4.5.2.11 Electromagnetic interference.
The first article shall be tested to
determine conformance to 3.13. Failure to comply with MXL-STD-461 shall
constitute failure of this test.
4.5.2.12 Engine performance (type 11).
Prior to installation of the engine
to the pump and examination and tests of the first article, the engine shall be
tested in accordance with MIL-STD-1400, test method 3000.
Nonconformance to
requirements of MIL-STD-1400 shall constitute failure of this test.
The Government may select pumps at any time
4.6 Inspection comparison.
during the contract production period and subject these pumps to the examination
specified in 4,5.1 and the tests specified in 4.5.2.1 through 4.5.2.11 to
determine conformance to the requirements of this specification.
The inspection
will be performed by the Government, at a site selected by the Government, on
pumps selected at random from those which have been accepted by the Government
and will not include the previously inspected first article pumps.
In addition
to any test specified as part of the inspection comparison, the Government
reserves the right to conduct any and all other tests contained in this
specification as part of the inspection comparison, and failure of such
additional tests shall have the same effect as failure of those tests specified
as inspection comparison.
4.6.1 Inspection failure,
Failure of an inspection comparison pump to meet
any requirement specified herein during and as a result of the examination and
tests specified in 4.6 shall be cause for rejection of the inspection comparison
pump(s) and shall be cause for refusal by the Government to continue acceptance
of production pumps until evidence has been provided by the contractor that
corrective action has been taken to eliminate the deficiencies.
Correction of
such deficiencies shall be accomplished by the contractor at no cost to the
Government on pumps previously accepted and produced under the contract. Any
deficiencies found as a result of the inspection comparison will be considered
prima facie evidence that all pumps accepted prior to the completion of
inspection comparison are similarly deficient unless evidence to the contrary is
furnished by the contractor and such evidence is acceptable to the contracting
officer.
4.6.2 Inspection system. The contractor shall maintain an inspection system
in accordance with MIL-I-45208.
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