Procedure
1. Fluids leaking from seals. This could be visually noticed for liquids leaking. It may be
audible for gasses leaking. Ice may also form at a point of a gas leak.
2. Movement of components that should be rigid.
3. Excessive noise due to vibration could be sign of a loose component.
Inspection should be more frequent in systems with a large amount of vibration.
Maintenance
Maintenance and Troubleshooting manual 9