TM 5-4220-226-14&P
6-5 Umbilical Maintenance.
This task covers:
a.
Test
b.
Repair
INITIAL SETUP:
Tools
Tool Kit, General Mechanic's (item 4, appx B)
Band-It Tool (item 3, appx B)
Knife, Craftsman (item 7, appx B)
Wrench (item 6, appx B)
Gage, Pressure (item 12, appx B)
Hoist, Chain (item 10, appx B)
Scale (0-300) (item 11, appx B)
Materials Required
Rags, Wiping (item 2, appx E)
Cement, Rubber (item 11, appx E)
a. Test
(1) Air hose hydrostatic test.
WARNING
Hydrostatic testing is potentially dangerous due to the high
pressures involved and unpredictable results.
Clear area before conducting test to avoid injury to
personnel.
Ensure all air has been removed from hose before
conducting test.
NOTE
A records log shall be maintained for documentation of all
testing of divers hose. Upon completion of required testing
an entry shall be made in the log stating date of
manufacture of hose tested, number of hoses tested, results
and date of testing and names of persons conduction the
testing.
Perform hydrostatic test three years from manufacture date
and every two years thereafter and at any time the hose is
suspect.
Any hose that leaks or exhibits excessive bulging shall be
removed from service.
(a) Fill hose with clean, fresh water.
6-2
