Face Seal Fittings Assembly and Installation—All Pressure Applications


Face Seal O-Ring to Stud End Installation

  1. Inspect the fitting surfaces. They must be free of dirt and/or defects.

  2. Inspect the O-ring. It must be free of damage and/or defects.

  3. Lubricate O-rings using system oil, and install into groove.

  4. Push O-ring into groove so O-ring is not displaced during assembly.

  5. Index angle fittings and tighten by hand pressing joint together to insure O-ring remains in place.

  6. Tighten fitting or nut to torque value shown on the chart per dash size stamped on the fitting. DO NOT allow hoses to twist when tightening fittings.


Face Seal Adjustable Stud End O-Ring Installation

  1. Back off lock nut (jam nut) and washer to full exposed turned down section of the fitting.

  2. Install a thimble over the fitting threads to protect the O-ring from nicks.

  3. Slide the O-ring over the thimble into the turned down section of the fitting.

  4. Remove thimble.


Face Seal Straight Stud End O-Ring Installation

  1. Install a thimble over the fitting threads to protect the O-ring from nicks.

  2. Slide the O-ring over the thimble into the turned down section of the fitting.

  3. Remove thimble.


Fitting Installation

  1. Install fitting by hand until snug.

  2. Position adjustable fittings by unscrewing the fitting no more than one turn.

  3. Apply assembly torque per table.


Assembly Torque

  1. Use one wrench to hold the connector body and one wrench to tighten nut.

  2. For a hydraulic hose, it may be necessary to use three wrenches to prevent twist; one on the connector body, one on the nut, and one on the body of the hose fitting.

BB83525,00002A1-19-20150922