Spring Lock Coupling-Cleaning

Spring Lock Coupling Disconnect Tool Set:

Spring Lock Coupling:

Spring Lock Coupling Disconnect Tool (5/8 Inch):

Spring Lock Coupling:

SPECIAL TOOL(S)







1. Fabricate a cleaning tool from a 1/8 inch diameter brazing rod.
2. Cut an abrasive pad from maroon colored 3M Scotch Brite(R) with the dimensions corresponding to the coupling size.

Coupling Size Pad Size
3/8 inch 25 X 50 mm (1 X 2 inch)
1/2 inch 25 X 50 mm (1 X 2 inch)
5/8 inch 25 X 76 mm (1 X 3 inch)
3/4 inch 25 X 102 mm (1 X 4 inch)







3. Assemble the pad to the tool.
4. Coat the abrasive pad with Motorcraft YN-12c refrigerant oil or equivalent meeting Ford specification WSH-M1C231-B.
5. Roll the pad on the tool and install it in a variable speed drill motor.







6. Polish for 1 minute at moderate speed (less than 1500 rpm) or until the surface is clean and free of scratches or debris.

CAUTION: Maintain low speed drill rotation when inserting or removing the cleaning tool to prevent axial scratches which may cause future leaks.

7. Clean the fitting with a lint-free cloth.
8. Inspect the surface for grooves or scratches. If grooves and scratches are still present, replace the component.







9. Clean the O-ring grooves with a 300 mm (12 inch) length of natural fiber string.
- Loop the string around the grooves and pull the string back and forth.
10. Remove any debris from the grooves with a lint free cloth.