After repacking, inspect for leaks between packing nut and valve stem.
Tighten packing nut as required. Apply anti-seize compound to threads of
4-9.5 AIR PRESSURE GAGE.
a. Preliminary Requirements.
Figure 4-2. Packing the Preheater Valve.
Remove the top shield (para 4-9.1).
b. Removal. Remove the air pressure gage by turning counterclockwise.