Remove these cap screws, replace the nylon retention plate, and reinstall the ring’s fasteners.Now that the nylon retention plate is replaced and refastened to the spring plate assembly, reinstall the machine’s fixture.2707 With the fixture in place, carefully remove the four screws that are not the original shoulder bolts.2708 The removal of these screws will decompress the spring plate assembly’s springs until the retention plate resumes contact with the machines fixture.