MIL-DTL-46709F(AT)
(1 in. minimum width) shall be applied around the circumference of the bag in a manner that
divides the bag into three approximate equal length areas and provides additional securement of
the bag to the cannon.
3.4.1.3.7.2.2 Breech mechanism. All unpainted surfaces, including phosphated surfaces
of the breech block, breech operating mechanism, and firing mechanism, shall be coated with
grease conforming to MIL-PRF-10924. The breech block shall be closed.
3.4.1.3.7.3 Recoil mechanism. Accessible machined surfaces of the cannon immediately
forward of the recoil mechanism shall be coated with grease conforming to MIL-PRF-10924.
Inaccessible machined metal surfaces shall be fogged with lubricating oil conforming to
grade 10W of MIL-L-21260. The surface of the recoil mechanism immediately forward of
breech ring collar shall be coated with grease conforming to MIL-PRF-10924 and overwrapped
with barrier material conforming to grade C of MIL-B-121 and sealed with tape conforming to
type I, class 1 of ASTM D5486.
3.4.1.3.7.3.1 Bore evacuator. The front and rear joints of the bore evacuator to the gun
tube shall be sealed with tape conforming, to type 1, class 1 of ASTM D5486.
3.4.1.3.7.4 Counter recoil mechanism. After cleaning, coat the exposed unpainted
mechanism surfaces of the counter recoil mechanism with grease conforming to MIL-PRF-10924.
3.4.1.3.7.5 Elevating mechanism. Exposed, unpainted surfaces of the elevating rod and
connecting pin and the elevating hand crank shaft shall be coated with grease conforming to
MIL-PRF-10924.
3.4.1.3.7.6 Traversing mechanism. Exposed, unpainted surfaces of the traversing gear
pinion and the traversing hand crank shaft shall be coated with grease conforming to
MIL-PRF-10924. The cannon mount travel lock and cab lock shall be secured.
3.4.1.3.7.7 Rammer. Exposed, unpainted surfaces of the rammer cylinder piston rod and
assembly shall be coated with grease conforming to MIL-PRF-10924.
3.4.1.3.8 Backrests and seats. Immediately after drying, backrests and cushioned
components of seats shall be covered with paper having a minimum basis weight of 40 pounds (lb)
(18.1 kilograms (kg)), conforming to style 1 of A-A-203. The paper shall be secured in place
with tape conforming to type II of A-A-883.
3.4.1.3.9 Hatches and doors. Rubber seals around hatches and doors shall be coated
with powdered talc conforming to type IV, class B of A-A-52518 or talc, technical TI of
MIL-T-50036.
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