3.1.9 Remove only the locknut (item 10) from the stem.
Figure 3-9 Remove Locknut
3.1.10 Place the valve into a press having a support block or floorboard to allow pass-through of the
valve stem.
3.1.11 Using a press yoke having a cutaway as shown in Figure 3-10, compress the valve spring
enough to allow loosening of the spring-adjustment nut (item 10). Remove the spring-adjustment
nut while taking care to support the valve stem.
Figure 3-10 Compress the Valve Spring