Procedure for field stripping, cleaning, and repairing HAR1-1 RIFLE, RAIL, HEAVY ASSAULT/SQUAD AUTOMATIC, 5x30MM APDS FIN STABILIZED and HAR1-2A RIFLE, RAIL, HEAVY ASSAULT/SQUAD AUTOMATIC, 5x30MM APDS FIN STABILIZED Weapon Platforms.

Equipment Condition

• All accessories removed
• Magazine removed
• Breech open
• Rail set shut down

Procedure

1: Observe that weapon is clear and green indicator light on the inside of the receiver is ON, indicating no charge in rails.

2: With breech OPEN, rotate barrel 90 degrees counterclockwise and pull towards receiver spindle. Rotate 180 degrees counterclockwise and pull free.

3: Observe that rails are clean and free of dirt, debris, and damage.

4: Inspect receiver for dirt, debris, and damage.

5: Rotate locking mechanism for magazine by hand until receiver and spindle assembly come free of control computer and battery subgroup.

6: Disconnect nuclear battery by removing spring tension plate on back of the magazine tray. Remove nuclear battery by sliding into magazine tray and lift free.

7: Disconnect press-lock for trigger assembly, slide pistol grip and trigger free.

Reassembly

1: Slide pistol grip and trigger into rails located on underside of control computer/magazine tray assembly

2: Replace nuclear battery by placing the battery into the magazine tray.

3: Reconnect nuclear battery by sliding spring tension plate into back of the magazine tray.

4: Slide receiver and spindle assembly into magazine tray, then rotate locking mechanism to CLOSED position.

5: Ensure that green LED is BLINKING. Indicates no charge/no connection on rails.

6: Replace barrel by pressing in to receiver with breech OPEN, rotate 180 degrees counter clockwise to set.

7: Verify that green LED on inside of magazine tray is now SOLID and ON.

8: Rotate barrels 90 degrees clockwise to lock into place.

Functions check

1: Close breech. CCO should read NO MAG and green blink should be visible on handle indicator LEDs.

2: Weapon on SAFE, pull the trigger. Red LED should flash in the CCO.

3: Weapon on FIRE, pull the trigger. Green LED will flash inside CCO.

4: Insert test mag/empty

5: Weapon on FIRE, pull the trigger. CCO should read MAG EMPTY, and green LED flash should be followed by red.

End Work Package