Invacare Compressor User Manual

Page of 40
SECTION 3—CHECKLIST AND CYLINDER INSPECTION
18
The Hydrostatic Testing Date
Aluminum cylinders MUST undergo testing every five years.
 WARNING
DO NOT fill cylinders that have not been tested in the 
past five years. Otherwise, serious personal injury may 
result. Contact your dealer for replacement.
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/regulator assembly 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