MIL-T-23693(WEP)
Such reports shall be signed by an authorized representative of the contractor or laboratory, as
applicable. Acceptance or approval of material during the course of manufacture shall not be con-
strued as a guarantee of the acceptance of the finished product. Acceptance tests shall consist of
the following:
(1) Individual Tests
(2) Sampling Tests
(3) Special Tests
Individual Tests- Each equipment submitted for acceptance shall be subjected to
4.4.1
the individual tests. These tests shall be adequate to determine compliance with the requirements
of material, workmanship, operational adequacy and reliability. As a minimum, each equipment
accepted shall have passed the following tests:
(1) Examination of Product
(2) Operational Test
(3) Manufacturing Run In Test
4.4.1.1 Examination of Product - Each equipment shall be examined carefully to determine
that the material and workmanship requirements have been met.
4.4.1.2 Operational Test - Each equipment shall be operated long enough to permit the
equipment temperature to stabilize and to check sufficient characteristics and record adequate
data to assure satisfactory equipment operation.
4.4.1.3 Manufacturlng Run In Test - Each equipment shall be operated under the condition:
specified herein for a period of 6 hours without failure. A failure shall be defined as anything
which causes malfunctioning of the equipment. Only those adjustments will be permitted which can
be made by using such controls and adjustments that are accessible to the operator during the nor-
mal use of the equipment,
Ambient room
Temperature
Ambient room
Humidity
Any selected frequency within the range of 20 to 30 cps
Vibration
(excluding resonant points) and a minimum amplitude
g's
of
The equipment shall be vibrated (without vibration isolators) for a period of 10 minutes prior to the
beginning of the 6-hour period of operation. Where feasible, the equipment shall be operated dur-
ing this vibration period for the purpose of detecting flaws and imperfect workmanship. Operation
within the specified limits of satisfactory performance is not necessarily required during the vi-
bration period. The direction of vibration should be vertical to the normal mounting plane for 5
minutes and lateral to that plane for 5 minutes. Where it is not feasible to vibrate the equipment
in 2 directions the vertical direction shall be used. During the 6-hour period of operation follow-
ing the 10 minute vibration period, the equipment shall be mechanically cycled periodically
through its various phases of operation. Should a failure occur, it should be repaired and the test
started over, except that the 10- minute vibration period need not be repeated when it is certain
the failure was not a result of the vibration. Should repetitive failures occur, corrective action
shall be taken to eliminate thishttps://assist.dla.mil -- Downloaded: 2014-09-25T05:43Z be kept of all fail-
Source: defect from future equipment. A record shall
ures. The 6-hour periodeck the source to verify that this is the current two 3-hour periods to conform with
Ch specified above may be composed of version before use.
standard working hours.
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