SF6 is a potent greenhouse gas. Always use recovery units; never vent gas into the atmosphere. 6. Troubleshooting Common Issues
You can help improve this manual. If you find any mistakes or if you know a way to improve the manual, please let us know. Mail your letter, DA Form 2028 (Recommended Changes to Publications and Blank Forms), directly to: Commander, U.S. Army Tank-Automotive and Armament Command... ltb 72.5-170d1 b manual