MIL-DTL-6162C
4.2.1.1 Qualification test sample. The qualification test sample shall consist of:
a. Three (3) machines as described by the associated specification sheet. The manufacturer to permit
measurement of critical machine temperatures shall instrument two (2) of the machines.
b.
One drive shaft assembly complete with torsional vibration dampener.
c.
A mating plug for each connector used.
d. Two (2) sets of wiring diagrams, brush and bearing design control drawings, machine assembly and
detail drawings, operating instructions, and
e. Three (3) copies of the material to be included in the installation instructions to be packaged with each
production unit as an example of how this material is to be printed, protected, and attached to the machine.
Instrumentation used and the location of the temperature measuring points shall be subject to approval of the
qualifying agency. The temperature at these points shall be monitored throughout the qualification tests of samples
No. 1 and No. 2.
4.2.1.2 Qualification testing. Qualification testing must be specifically authorized by the qualifying activity.
At the option of the qualifying activity, any or all qualification tests may be conducted on machines submitted for
qualification, for production acceptance, or delivered under a production contract for which conformance to this
specification is required. Also, a test report, conforming to the contractor standard format, is required.
4.2.2 Qualification verification of production machines. When qualification verification is required by the
production contract, the sample(s) will be selected at random by the government inspector and forwarded to the
qualifying activity (see 4.2.1). To meet delivery requirements for the first 50-machines, 51-machines must
successfully meet the acceptance tests of Table I. Fifty (50) machines will be shipped as directed by the contract
and one (1) random selected sample will be forwarded to the qualifying activity. To meet the delivery for each
succeeding 150-machines, 151-machines must successfully meet the required acceptance tests. One hundred and
fifty (150) will be shipped as directed by the contract and one (1) machine selected and forwarded as above. Once
qualified, production machines successfully passing the acceptance tests are to be accepted until qualification is
officially rescinded (see 4.4.1). Delivery of production machines is not to be delayed pending results of tests
conducted on qualification verification samples. All qualification verification testing is to be conducted by the
qualifying activity. With each qualification verification sample, the Government Inspector shall furnish the contract
number and the serial number of all machines in the production lot from which the verification sample was selected.
4.2.3 Rejection and retest.
4.2.3.1 Qualification samples. Machines, which have been rejected or returned to the manufacturer for any
reason during qualification tests, may be reworked or have parts replaced to correct defects. Before resubmitting the
machines, full particulars concerning the rejection and the corrective action taken by the manufacturer must be
submitted in writing by the manufacturer to the qualifying activity. Tests shall not be resumed until such a report is
received. Where qualification tests are conducted under the auspices of the manufacturer, the qualifying activity
shall be advised upon failure of the qualification sample and of the action taken by the manufacturer with regard to
failure.
4.2.3.2 Qualification verification samples. Machines may be subjected to any or all requirements and tests of
this specification to assure continued compliance with the qualification requirements. Machines, which are found to
be defective for any reason, shall be returned to the manufacturer for rework or parts replacement. The
manufacturer shall submit full particulars concerning the manufacturer's analysis of the defect and the corrective
action required, in writing to the qualifying activity. The manufacturer shall also immediately inspect and/or test
machines currently in production and those awaiting shipment and certify that the deficiency has been corrected
prior to further shipment. In addition, the manufacturer shall rework all of the machines in the production lot repre-
sented by the qualification verification test sample provided that these machines are returned to the manufacturer
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