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Home > Ordnance Documents and other related manuals > > Operation of the 25mm Gun Feeder
Task 2. Describe The Procedures for Loading And Unloading The 25mm Authomatic Gun Assembly.
Figure 1. Load 25mm Gun Feeder

M2/M3 Bradley Fighting Vehicle: Turret
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M2/M3 BRADLEY FIGHTING VEHICLE: TURRET - OD1609 LESSON 1/TASK 2
bolt moves forward and locks.  When the round is fired, the bolt unlocks and starts
the recocking of the firing pin.
The spent case is extracted by the rearward
motion of the bolt.  The rotor turns to place the spent round into the eject chute
while a new round is placed in front of the bolt.  On the next forward motion of
the bolt, the spent round is ejected by a finger on the bolt carrier.  To prevent
the firing of a round in the open bolt position, a hangfire protection system has
been provided.  If the round in the bleech does not fire immediately, the bolt will
stop in the misfire position, just before unlocking.
The paragraph above described the firing operation of the 25mm automatic gun.  The
following  paragraphs  will  provide  examples  of  the  procedures  for  loading  and
unloading the 25mm automatic gun in order to make the firing operation possible.
2.
Operation of the 25mm Gun Feeder
a.
Loading the 25mm Gun Feeder.
This procedure will cover the loading of the
25mm gun feeder.
(1)
Initial Setup.
(a)
Tools: 14mm ratchet wrench.
(b)
Personnel Required: Gunner.
(c)
Equipment Conditions: 25mm HE ammo loaded and 25mm AP ammo loaded.
(2)
Procedural Steps for Loading the 25mm Gun Feeder.
Step 1.
Remove the 25mm gun guard and open the gun cover.
These procedures,
when needed, can be found on page 2-169 of TM 9-2350-252-10-2.
Step 2.
Check that the bolt position indicator is in the SEAR position (figure
1, view A, on the following page).  If the bolt position indicator is in the SEAR
position, go to step 3.
If the bolt position indicator is not in the SEAR
position, time the 25mm gun feeder.  These procedures, when needed, can be found on
page 2-240 of TM 2-2350-252-10-2.
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