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Page Title:
Quantity for Magnetic Impulse Generator Assembly - Continued |
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| MIL-F-48057B (AR)
AMENDMENT 7
PAGE 15
TABLE 1: Delete "Dwg. 11008395" and substitute "Dwg. 9260804".
Delete "1O" and substitute "20", 2 places.
PAGE 16
TABLE 1: Delete "Examination and Test" for Outer Plate Assembly
(Dwg. 11008400) in its entirety.
Delete "Dwg. 11706262" and substitute "Dwg. 9260776".
Delete "Shaft Torque Test" and "Pallet Lever Push Off Test"
in their entirety and substitute the following three tests:
4.5.5.13"
10
3.2
"Load Test of Lever Shaft
4.5.5.8"
10
3.2
"Load Test of Lever Pallet
4.5.5.7"
3.2
"Torque Test of Lever Shaft 10
Delete "Non-Arm Test" in its entirety.
In No. of Sample Units, Delete "80" and substitute
"120" in four places; Delete "40" and substitute "60(a, b)" in
two places.
In Arm Time (27 g's) Test, Delete "4.5.11.3" and substitute
"4.5.11.4".
In Arm Time (40 g's) Test, Delete "4.5.11.4" and substitute
"4.5.11.5".
In Non-Arming Test, Delete "4.5.11.3" and substitute
"4.5.11.2.1 or 4.5.11.2.2".
Add: Notes "a. 20 at 70F 5F; 20 at -40F
5F, 20 at 160F 5F" and "b: Temperature conditioning
shall be 4 hours minimum, and each S&A shall be tested within
3 minutes of removal from extreme temperatures. Be advised
that removing the S&A from the cold temperature environment
prior to performing the centrifuge test may cause frost to
form on the metal parts. This may have an effect on the test
results due to attenuation of the acoustic signal of the
arming mechanism, thus making it difficult to distinguish the
arm signal from background noise. The contractor shall take
appropriate action to alleviate this potential problem. One
effective method has been to seal each S&A in a plastic bag
prior to temperature conditioning. Bagged S&A's are then
3
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