Spring Lock Coupling: Cleaning
Courtesy of MAZDA MOTORS CORP.
- Fabricate a cleaning tool from a 1/8 inch diameter brazing rod.
- Cut an abrasive pad from maroon colored 3M (tm) Scotch Brite (R) with the dimensions corresponding to the coupling size.
Courtesy of MAZDA MOTORS CORP.
Courtesy of MAZDA MOTORS CORP.
- Assemble the pad to the tool.
- Coat the abrasive pad with PAG Refrigerant Compressor Oil (R-134a Systems).
- Roll the pad on the tool and install it in a variable speed motor drill.
Courtesy of MAZDA MOTORS CORP.
CAUTION:
- Maintain low speed drill rotation when inserting or removing the cleaning tool to prevent axial scratches which may cause future leaks.
- Polish for one minute at moderate speed (less than 1,500 RPM) or until the surface is clean and free of scratches or foreign material.
- Clean the fitting with a lint-free cloth.
- Inspect the surface for grooves or scratches. If grooves or scratches are still present, install a new component.
Courtesy of MAZDA MOTORS CORP.
- Clean the O-ring seal 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.
- Remove any foreign material from the grooves with a lint-free cloth.