Remove the retainer from the quick-connect fitting.
Blow dirt out of the fitting using compressed air.
Choose the correct end of the for the size of the fitting. Insert
the tool into the female connector, then push inward in order to
release the locking tabs J 44581
.
Pull the connection apart.
Use a clean shop towel in order to wipe off the male pipe end.
Inspect both ends of the fitting for dirt and burrs. Clean or replace
the components as required.