Downloaded from https://www.everyspec.com MIL-STD-81OD 19 Jllly1983 Step 1. Insert the test item in the test chamber. Step 2. Prepare the test item in its operation+ configuration in accordance with General Requirements, 4.5.2. Step 3. Record the standard ambient condition. Step 4. possible, and Conduct as complete”of a visual examination of the teat item as document the results. Step 5. Conduct an operational checkout in accordance with the test plan. Step 6. 4.5.1. Record the results for compliance with General Requirements, H-3 mxERmEs.
The following test procedures, alone or in combination, provide the bases for collecting the necessary information concerning the test item in a low-pressure environment. Specific steps are included in the test procedures to combine the test procedures to get the necessary test data. Unless otherwise sDecified. the chamber temperature shall be maintained at standard ambient conditions. II-3.1 Procedure I Sto ~ r Step.1: Adjust the test or transit. item’s configuration to that required for storage Step 2. With the teet item in the chamber, adjust the chamber air pressure,’at the rate specified in the test plan, to the required test altitude. Step 3.
Maintain the conditions for a minimum of 1 hour unlessotherwise specified in the test plan. Step 4. Adjust the chamber air pressure to standard ambient atmospheric conditions at a rate not to exceed that specified in the test plan. Step 5. Conduct a complete visual examination and an operational checkout of the test item in accordance with test plan, and document the results. Step 6. Compare these’data with the pretest data. Step 7. If an operational test is required, proceed to step 1 of procedure 11; if a rapid decompression test is required, proceed to step 1 of procedure III. II-3.2 PrOcedure II - ODeratiw Step 1. Adjust the test item to its operational configuration. Step 2.
Adjust the chamber air pressure to the required equivalent operational altitude at a rate not to exceed that specified in the teat plan. 19 ,july1983 500.2-7 MSTHOD 500.2