Push Rods
Inspect the push rod ball and socket for signs of scoring. Check for cracks where the ball and the socket are pressed into the tube see scheme 65
Roll the push rod on a flat work surface with the socket end hanging off the edge see scheme 66 Replace any push rod that appears to be bent.
Scheme 702
Scheme 703
Inspect the crossheads for cracks and/or excessive wear on rocker lever and valve tip mating surfaces see scheme 67