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TM 55-1520-221-CL

TURRET-LEFT (XM129)
 
1. Fairing - remove/open.
2. XM 129 securely mounted and barrel 3/4 extended - check.
3. Recoil adapters - check.
4. Chute and feed tray - connected. Drive cable - connected.
5. Drive cable - connected.
6. Exit chute - check security.
7. Fairing-replace/secure.

TURRET-RIGHT (M134)
 
1. Fairing - remove/open.
2. M-134 securely mounted - check.
3. Barrel clamp and retaining bolt - secure.
4. Recoil adapters - check.
5. Feeder - delinker condition and security - check.
6. Solenoid elec connection - check.
7. Solenoid gate movement - check.
8. Drive cable - connected.
9. Drive motor elec connection - check.
10. Gun timing pin - set.
11. Feeder timing pins - set.
12. Safe gun, disconnect chute, rotate barrel counterclockwise - check ammo feed.
13. Exiting chute - check security.
14. Fairing - replace/secure

N-7