TM 5-4310-379-14
e. Cooling System. The air compressor is air cooled by a flow of air generated by a fan built into compressor
pulley.
1-14.
Detailed Principles of Operation, Portable Air Filtration System. The system provides filtered air to the
divers through a 3-stage filter. The first filter is a 10 micron pre-filter, the second a 5 micron intermediate filter, and the
third a coalescing filter which removes 99.9999 percent of all mist and particulates from the diving air. Each filter has an
automatic drain valve. The inlet to the portable filters is provided with two ball valves, one for connecting primary air,
and the other for a backup air supply from another source. The outlet of the portable filters is provided with two ball
valves for connecting the portable air receiver.
1-15.
Detailed Principles of Operation, Portable Air Reliever. The air receiver provides connections for three
divers air hoses and three pneumo hoses. Each connection has an on-off valve. The pneumo hoses are provided with
gages which indicate sea water depths from 0-250 FSW (0-76 m).
1-11/(1-12 blank)
