5.1 Blowing Dust Tests
In addition to the guidance provided in Part One, paragraphs 5.14 and 5.17, the following information is provided to assist in the evaluation of the test results. Analyze any failure of a test item to meet the requirements of the materiel specifications, and consider related information such as:
Determine if:
- a. Dust has penetrated the test item in sufficient quantity to cause binding, clogging, seizure or blocking of moving parts, non-operation contacts or relays, or the formation of electrically conductive bridges with resulting short circuits.
- b. Air filters are clogged restricting airflow.
- c. Abrasion of the test item exceeds the specified levels.
- d. The test item operates as required.
5.2 Blowing Sand Tests
In addition to the guidance provided in Part One, paragraphs 5.14 and 5.17, the following information is provided to assist in the evaluation of the test results. Analyze any failure of a test item to meet the requirements of the materiel specifications, and consider related information such as, determine if:
- a. Abrasion of the test item exceeds the specified requirements.
- b. The test item operates as required.
- c. Protective coatings or seals were compromised.