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 TM 55-1730-226-13
rectly proportional to the absolute
temperature; substitute pressure and
temperature values in the following
equating and solve to obtain the
corrected pressure.
ti + 460
=
P
P
c
f
tf + 460
where
P c = corrected pressure
P f = observed final pressure reading (step 6)
ti = initial temperature reading (step 4)
tf = final temperature reading (step 6)
7.
Slowly bleed pressure from the unit and
remove pressure source. Close all valves.
SOURCES OF LEAKS.
Leaks may occur in valves, piping, tubing, or
4.12.1
at any of several threaded and soldered joints
used in connecting components, and the leak may
not be audible for ready identification. R e f e r
to Table 4-1, Troubleshooting.
TROUBLESHOOTING.
4.13.1
Provided that the unit is fitted with properly
charged oxygen supply bottles and is properly
clean, very few malfunctions can be expected.
Refer to Table 4-1, Troubleshooting.
INSPECTION.
All maintenance personnel should be constantly
4.14.1
aware of the extremely hazardous nature of
pressurized oxygen, and of the precautionary
measures explained in this manual. See Table
4-2, Inspection.
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