TM 9-2350-222-10-3
MAINTAIN MAIN GUN (CLEAN AND PRESERVE TUBE)
1. Quarterly or as required:
a. Open breech and place flashlight or extension light into breech facing
muzzle end of gun tube.
b. Inspect gun tube bore for pitting, flaws, cracking, and deformation.
Notify organizational maintenance of any defects.
NOTE
A clean bore is not necessarily a shiny bore and
may have a dull gray appearance.
c. Inspect gun tube for powder fouling or rust. If powder fouling or rust
is present, clean gun tube (step 3).
2. Before firing
a. Wipe all surfaces dry.
b. Wipe gun tube bore dry as follows:
(1) Remove three cleaning staff sections (1) and cleaning and
unloading rammer (2) from fender stowage boxes.
Change 6