Common symptoms and solutions for hose assembly failures:

• Expired service life
• Improper hose insertion depth
• Fitting crimp diameter not within required dimensions
• Insertion tube damaged during assembly (field attachable fittings)
• Hose twisted (application routing)
• Hose abrasion

• Hose minimum bend radius exceeded
• Fluid incompatibility
• Hose is kinked or crushed
• Dry air aged
• Excessively high/cold temperatures
• Excessive pressures
• Improper use

HOSE INSERTION DEPTH

SYMPTOM: Fitting blow-off.

CAUSE: Hose was not inserted into shell of fitting per the recommended length. All the teeth in the shell need to be in contact with the hose to properly hold the fitting onto the hose. The first tooth in the shell is essential for approximately 75% of the holding ability of the fitting to the hose.

SOLUTION: Replace hose assembly. When making a replacement assembly measure and mark the proper insertion depth on the hose end to insure proper insertion depth is achieved after the fitting is installed.