Criteria for the hose inspection
- Inspect hoses frequently.
- Replace worn or damaged hoses.
- Proper clamping is critical.
Hose assemblies have to be replaced if any of the following is applicable :
- Chafed hose :
- Abrasion.
- Improper clamping.
- Kinked hose :
- Smooth-bore PTFE hose is prone to kinking.
- Restricts fluid flow.
- Damaged beyond repair.
- Broken wires :
- Inspect external wire braid.
- Any broken wires is cause for removal/scrap.
- Twisted hose :
- Hose is not designed to be twisted.
- Induces stress.
- Promotes premature wear.
- Heat damaged (brittle) hose :
- Elastomeric, PTFE and metal hose have heat limitations.
- Cracks during flexing.
- Leaking hose :
- Wetness around fitting.
- Aged hose.
- Improper fitting attachment.
- Rusted hose :
- Corroded wire braids.
- Any corrosion makes hose assembly suspect.
