SECTION
External Examination
1.Examine the outside of the cylinder for the following conditions and replace the cylinder if they exist:
•Dents or dings
•Arc burns
•Oil or grease
•Any other signs of damage that might cause a cylinder to be unacceptable or unsafe for use.
2.Examine the cylinder for evidence of fire or thermal damage. Evidence includes charring or blistering of the paint, or other protective coating or heat sensitive indicator. If fire or thermal damage is found, replace the cylinder.
3.Inspect the cylinder fillport for the following and replace if found:
•Debris, oil or grease
•Noticeable signs of damage
•Signs of corrosion inside the valve
•Signs of excessive heat or fire damage