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