O-Ring Replacement

0-RING REPLACEMENT





Removal Procedure

1. Disassemble the A/C refrigerant components. Refer to the appropriate repair procedure

^ For compression style tittings use a back up wrench on the fitting (2) and loosen the fitting nut (1).

^ For banjo style fittings remove the bolt retaining the banjo type fitting.

2. Remove the 0-ring seal from the A/C refrigerant component.

3. Inspect the 0-ring seal for signs of damage to help determine the root cause ot the failure.

4. Inspect the A/C refrigerant components for damage or burrs. Repair if necessary.

Important: Cap or tape the open A/C refrigerant components immediately to prevent system contamination.

5. Cap or tape the A/C refrigerant components.

6. Discard the 0-ring seal.


Installation Procedure










1. Inspect the new 0-ring seal for any sign or cracks, cuts, or damage. Replace if necessary.

2. Remove the cap or tape from the A/C refrigerant components.

3. Using a lint-free clean, dry cloth, carefully clean the sealing surfaces of the A/C refrigerant components.

Important: DO NOT allow any of the mineral base 525 viscosity refrigerant oil on the new 0-ring seal to enter the refrigerant system.

4. Lightly coat the new 0-ring seal with mineral base 525 viscosity refrigerant oil. Important: DO NOT reuse 0-ring seals.

5. Carefully slide the new 0-ring seal onto the A/C refrigerant component.

6. The 0-ring seal must be fully seated.


7. Assemble the A/C components. Refer to the appropriate repair procedure.

^ For compression style fiftings use a back up wrench on the fitting (2) and tighten the fitting nut (1) to specification.

^ For banjo style fittings install the bolt retaining the banjo type fitting and tighten to specification.