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Functional test
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Rack, Bomb Ejector, Aircraft Bru-32 / A
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Additional tests



img
MIL-R-85895 (AS)
Load a 2,000 pound  test store (see 4.5.d). Place the safety
i.
selector handle in the locked postion. Verify swaybraces cannot be
moved into the swaybrace housings.  Place the safety selector handle in
the unlocked position.  Rotate the manual release bolt to release the
store. The release mechanism shall operate smoothly. The torque
required to rotate the manual release bolt shall be not greater than 360
inch-pounds.
WARNING
The bomb rack shall not be fired without a reactive store load
imposed on the ejector piston.
Place the safety selector  handle in the unlocked position.
j.
Place the safety
Suspend a 500 pound  store from the 14 inch hooks.
selector handle in the locked position.  Install two CCU-45/B cartridges
Install the cartridge chambers in the breech
in the breech chambers.
and tighten until bottomed.  Verify the swaybraces cannot be moved into
the swaybrace housing and  then place the safety selector handle In the
unlocked position.  Apply 28 VDC (+) to pins J and H and 28 VDC (-) to
pins K  and G of connector J1.  The impulse cartridges shall ignite and
Clean and inspect the breech and ejector
the store shall be ejected.
assemblies and surrounding areas of the bomb rack. There shall be no
damage to the bomb rack.
k.  Repeat (j) with a 2,000 pound store suspended from the 30-inch
hooks and two CCU-45/B cartridges Installed in the ejector assembly.
Place the safety selector handle in the unlocked position.
l.
suspend a 2,000 pound store from the 30-inch hooks. Place the safety
selector handle in the locked position. Install one MK-19 MOD 0
cartridge in the auxiliary breech. Install the breech plug in the
auxiliary release  and tighten  until bottomed.  Check the swaybraces as
in (h) and then place the safety selector handle in the unlocked
Apply 28 VDC (+) to pin F, and 20 VDC (-) to pin E of
position.
connector J1. The impulse cartridge shall ignite and open the hooks,
allowing gravity  release of the store.  Clean and inspect the auxiliary
breech and surrounding areas of the bomb rack. There shall be no damage
to the bomb rack.
4.6.3. Arming units. With bomb rack hooks closed and the arming units
unenergized, an arming wire loop shall be inserted in the tail and nose
arming units.  With each arming unit unenergized, each arming unit shall
lbs .
The arming unit
retain the arming wire loop to loads uP to 300
shall then  be energized and the hooks manually opened. The arming unit
The hooks
shall retain the arming wire loop to loads up to  300 lbs.
shall be closed and the arming unit unenergized.  The hooks shall then
be manually opened and the arming wire loop shall not be retained by the
arming unit.
4.6.4 Electrice fuze arming. The 0 and 15F pull out force for the
electric fuze connector shall be in accordance with MIL-C-81842. Three
successive measurements  shall be performed.  In addition, the interlock
9

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