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|  MIL-R-81939B(AS)
Functional test. Each bomb rack, mounted in a horizontal position, shall complete the
4.6.3
following tests. The auxiliary release unit test of 4.6.31 shall be deleted when testing Type III bomb racks.
The bomb rack shall not be cocked with the IFOBRL
in the locked position or fired without a reactive store
load imposed on the ejector foot.
With the ejector assembly mounted in the rack in any of the four positions, cock the bomb
a.
rack, latch all the hooks, and install the safety pin or lock the IFOBRL electrically,
whichever is applicable. Verify that the release piston of the bomb rack ejector assembly is
mechanically blocked from releasing the bomb rack and that the relief valve of the ejector
assembly is opened to allow venting of the breech, For Type II bomb racks, verify that the
indicator on the bomb rack side shows "locked," that the position indicators of the IFOBRL
are operating and that the IFOBRL operates smoothly. Apply a 11.27 N.m (100 inch-
pound) maximum torque to the manual release bolt. The release mechanism shall not
actuate.
b.
Remove the safety pin or unlock the IFOBRL electrically, whichever is applicable. For Type
II bomb racks, verify that the indicator on the bomb rack side shows "unlock," that the
position indicators of the IFOBRL are operating and that the IFOBRL operates smoothly.
Rotate the manual release bolt. The release mechanism shall operate smoothly and the
hooks shall open.
c,
Repeat a. and b. four times.
d.
Cock the bomb rack, install the safety or lock the IFOBRL, whichever is applicable.
Suspend a 113.4 kilogram (250 pound) store from the 355.6 millimeter (14 inch) hooks.
e.
Back off the aft set of sway braces 6.35 millimeters (0.250 inch) minimum from store contact.
Tighten the forward and center set of swaybraces as follows:
1.
Hand tighten all braces until the pads lightly contact the store.
2.
Tighten forward starboard pad 1/4 turn.
3.
Tighten center port pad 1/4 turn.
4.
Tighten forward port pad 1/4 turn.
5.
Tighten center starboard pad 1/4 turn.
6.
Repeat tightening in order of 2. through 5. to attain 1/2 turn total on each swaybrace.
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