TM 5-4220-225-14
5
Cap off the end of the air hose (2) and the pneumofathometer hose (3) at the diver end of the
umbilical.
NOTE
Apply 150 lbs of air pressure to each hose during assembly procedure.
6
Cut off a 7 to 8 ft length of marline (4).
7
Find the center of the length of marline (4) and tie a clove hitch around the communications cable (1)
12 ft from diver end. Tighten hitch.
8
Line up air hose (2) and pneumofathometer hose (3) even with the end of the communication cable
(1).
9
Gather both hoses at first hitch and wrap one end of the marline (4) four turns around both hoses and
the cable.
10
Pass remaining marline between the cable and the two loose hoses.
11
Wrap other end of marline four turns around both hoses and cable.
NOTE
Make sure that both ends of the marline come out towards the same side on the cable.
12
Pass remaining marline between the cable and the two loose hoses.
13
Pull one end of marline between both hoses and cable and wrap once around cable and both hoses.
14
Pull other end of marline between both hoses and cable and wrap twice around cable and both
hoses.
NOTE
Square knot should be under the cable (1).
15
Pull one end of marline between both hoses and cable and hold so that both ends are at same ends
of cable. Pull tight and make a square knot.
16
Cut off ends of marline close to the cable.
17
Gather both hoses to the communications cable 36 inches from first wrap.
18
Allow about four inches of slack between hoses and cable (about a hand width) and wrap at this point
using the same procedure as for the first wrap.
19
Continue making wraps every 36 inches for the length of the umbilical.
6-27
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