2-8 SCUBA TANK FILLING.
Prior to charging SCUBA cylinders refer to paragraph 2 3f Charge cylinders in accordance with instructions con-
tained in Chapter 5 of FM 20-11-1, "Military Diving Manual"
Table 2-1. PRE-DIVE PREVENTIVE MAINTENANCE CHECK AND SERVICES
B-PRE-DIVE (OUT OF WATER)
D-PRE-DIVE (IN WATER)
TIME REQUIRED: 0.3
TIME REQUIRED: 0.1
Items to be Inspected
Check to insure that all components (para 1 -7) are on hand. Inspect for rust, sand and
other foreign materials.
Inspect for cracks, dents, loose or damaged exterior parts Insure that reserve lever
n the unactivated (UP) position to indicate the tanks are filled and ready for use, In-
spect manifold for visible damage.
Check tank pressure with diver's pressure gauge. Tank pressure must not exceed
2250 PSIG unless there is a plus sign after the current hydrastatic test date which,
would allow for a 10% overfill.
Inspect harness quick-release mechanism and adjust straps for secure, comfortable
Inspect cap assembly O-Ring and filter for damage and foreign material. Check for
proper seating, leaks and proper breathing resistance. With the first stage regulator
cap assembly seated over the body filter assembly opening, attempt to breathe from
he second stage regulator. Any air received indicates an air leak in the first or second
stage regulator. Inspect hose for punctures and dry rot. Tug gently on hose to insure
(IN WATER CHECKS)
Inspect for proper fit.
Check for neutral buoyancy.
If there are any doubts concerning correct operation of any compo-
nents, do not dive until they have been checked.