2003 US Army BRADLEY GUNNERY 503p.pdf - Survival Books

FM 3-22.1• Removed feeder.• Moved feeder from turret to crew area.• Removed any ammunition from the gun rotor.• Cleared the feeder by cycling once in HE and once in AP.• Placed feeder on a clean, flat surface with feeder handle lowered.• Pushed in the straight drive shaft on receiver.• Ensured breach was cleared of all spent casings or live ammunition.• Ensured ejection port was cleared of all spent casings or live ammunition.• Ensured bolt surface was cleared of all spent casings or live ammunition.b. Removed Barrel.• Unlocked gun barrel.• Removed gun barrel.c. Removed Bolt and Track.• Pulled out the straight drive shaft.• Cycled bolt out of SEAR position.• Removed bolt and track assembly.• Inserted the straight drive shaft handle.d. Removed Receiver.• Unlocked 25-mm gun receiver.• Removed receiver from turret to crew area.e. Disassembled Bolt and Track Assembly.• Removed bolt carrier from track assembly.• Unlocked bolt from forward locking position.• Removed firing pin sleeve keeper.• Removed firing pin and its sleeve from bolt and separated pin and sleeve.• Removed cam pin.• Removed bolt from bolt carrier.3. Assembled and installed the 25-mm gun.a. Assembled Track and Bolt Assembly.• Slid bolt into bolt carrier.• Inserted cam pin.• Inserted firing pin and sleeve into bolt.• Inserted firing pin sleeve keeper.• Locked bolt in forward position.• Placed bolt and carrier on track assembly.b. Installed Bolt and Track Assembly.• Pulled out the straight drive shaft.• Inserted bolt and track assembly into receiver.• Locked track latch handle.• Moved bolt to SEAR position.• Pushed in the straight drive shaft.c. Installed Receiver.• Pulled anti-rotation latch handle out.• Installed receiver into trunnion.• Locked receiver in place.A-6