TM 5-2420-230-24-2
Section 4 - Tappets and Push Rods - Group 04
Push Rods - Inspection (4-02)
B Series Shop Manual
Page 4-5
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.
Check to see if push rods are round and straight.
L-298