outer rubber cover and wire braid or
7. Obtain metal hose assembly identification
deterioration of the reinforcing wire).
tags (fig. 6-38) from your local SIMA and
12. If results of visual inspection indicates
secure them onto one of the legs of the hose
weakening of hose or fittings, or makes
configuration. The tag is made of a non-
hose configuration suspect, replace the
corroding material. Do not remove or alter
hose immediately, if at all possible. Keep
the tag once it is attached.
under surveillance while under pressure
8. Leave the configuration in a condition
until it is replaced.
where one end can hang down unsupported
13. If necessary to remove a flexible hose
during installation or dismantling of
configuration from the system, examine
piping. Otherwise, you can damage the
the interior of the hose for cracks or other
hose wire reinforcement.
signs of deterioration of the inner liner.
Do not damage the liner by trying to
Periodic Inspection By
dislodge sea growth. Do not remove the
Ship's Force
end fittings from any section of hose
which is to be installed.
No less than once a quarter, preferably about
14. Presence of identification tag.
once a month, visually inspect all flexible piping
connections to determine whether any signs of
weakness or unusual conditions exist. Inspect the
Storage
hose in other systems semiannually. To assist you
when performing this inspection, you should
The following guidelines are recommended for
compile a checkoff list of hose assemblies and
proper storage of hose and fittings:
locations for your assigned spaces or equipment.
This list will consist of all flexible devices installed
Hose-Hose should be stored in a dark,
(and their locations) together with a list of
dry atmosphere away from electrical
inspections to be performed on each flexible
equipment; temperature should not exceed
device. When you perform the listed inspections,
125F. Storage in straight lengths is
note the following:
preferred, but if hose is to be coiled, take
care to ensure the diameter of the bend is
1. Evidence of leakage at fitting ends.
not less than 3 feet. To prevent damage
2. Discoloration of fittings (possible indica-
during storage, wrap the hose with burlap
tion wire reinforcement is rusting).
or other suitable material.
3. Slippage of hose out of fitting.
4. Twisting of hose or other distortion or
Reusable End Fittings-Protect all threads
unusual appearance.
with tape or other suitable material, and
5. Cracking of outer rubber cover.
wrap the entire fitting in a protective
6. Rubber cover rubbed thin by abrasion or
covering to prevent nicking or other
chafing.
damage.
7. High pulsations, fluid hammer, or
whipping caused by pressure pulsations.
Shelf Life
8. Large vibrations due to improper supports
at the fixed end.
The following are shelf life requirements for
9. Large area of hose covered with paint.
hose and reusable end fittings:
(The intent of this requirement is to
eliminate having the flexible hose con-
Hose-Do not install reinforced rubber
nections deliberately painted. The hose
hose that is over 4 years old from the date
does not have to be replaced if a few paint
of manufacture. This time is measured
drops inadvertently fall onto it. Do not
from the quarter and year of manufacture
attempt to clean off dried paint from the
but does not include the quarter year of
hose.)
manufacture. Consider the shelf life of
10. Check hangers to ensure they have not
hose ended upon installation aboard ship.
broken off, distorted, or otherwise
To ensure against its accidental use,
damaged.
dispose of any hose not installed that has
11. Soft spots or bulges on hose body
exceeded the above shelf life.
(indicates weakening of bond between
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