MIL-ST0-1518E
TABLE I. Sampling requirements and test limits - Continued.
ITEM |
SAMPLE POINT |
TEST |
TEST LIMITS |
SAMPLE FREQUENCY |
5. |
Refueler/engine test cell. 0ownstream of filter separator. |
Solids/0P. Color and particle assessment method (ASTM 02276 Appendix 3) |
See Note 1 |
Every 7 days or prior to next use. After F/S elements are changed, prior to first servicing operation. After maintenance that can affect fuel quality is performed, or there is a fuel grade change, the equipment will be sampled prior to servicing aircraft. |
Water. (ASTM 03240) |
10 ppm. |
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Conductivity. (ASTM 02624) (when additized) |
50 - 700 CU. |
Refuelers/cells not used within 30 days will be sampled prior to the first servicing operation. |
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6. |
0efuel equipment. |
Solids/DP. Color and particle assessment method (ASTM D2276 Appendix 3) |
See Note 1 |
Every 30 days or when defuel vehicle is converted to refueling service, sample prior to first servicing operation. After elements are changed, sample prior to first operation. See paragraphs 5.4.7 and 5.4.8. |
Water. (ASTM 03240) |
10 ppm. |
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7. |
Aircraft sumps. |
Visual for color, water, and solids. |
Clear and bright without visual solids or free water. |
Prior to defueling and/or when suspected contamination exists. |
Solids. ASTM 05452 |
Per aircraft technical guidance. |
When requested. |
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FSII. (ASTM 05006) (when additized) |
See TABLE II. |
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Conductivity. (ASTM 02624) (when additized) |
See TABLE II. |
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Note 1: The failure criteria when comparing the membrane filter to the Color Standards are as follows: Color -- 5 or greater; Particle Assessment - if there are visual particles present the sample fails. Retake the sample using a matched-weight monitor or take a one-gallon sample for bottle method analysis (ASTM 05452). Test limits on retake samples are addressed in TABLE II. |
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