TM 5-4220-231-14&P
Table 3-4. Cleaning Solution Flow Rate
TUBE
SIZE
GPM
PIPE
SIZE
GPM
(inches)
(inches)
1/4
(0.6 cm)
1/2
114
(0.6 cm)
2
3/8
(1.0 cm)
2
3/8
(1.0 cm)
3
1/2
(1.3 cm)
33/4
1/2
(1.3 cm)
5
1/2
3/4
(1.9 cm)
6
3/4
3/4
(1.9 cm)
9
1/2
1
(2.5 cm)
121/2
1
(2.5 cm)
151/2
1-1/4
(3.1 cm)
23
1-1/2
(3.8 cm)
35
2
(5.1 cm)
50
3-29
Cleaning
Component
Soft
Goods.
The
following
isopropyl
alcohol
method
is provided
for the cleaning
of
the soft
goods
and
aluminum
parts
of system
components.
The
method
for non-ionic
detergent
is the
same
procedure
as that
in paragraph
2-27.
CAUTION
Ensure
ventilation
is adequate
and avoid
breathing
vapors.
Personnel
should
wear
chemical
protective
gloves
to prevent
skin
irritation
when
contact
with
isopropyl
alcohol
is necessary.
Isopropyl
alcohol
shall be maintained
in a covered
container
to preclude
excess
concentrations
in the
air for fire protection.
The cover
should
be removed
only for placement
or removal
of soft
goods.
NOTE
Table
3-5
lists
all compatible
cleaning
agents
for general
soft
goods
used
in Army
diving
systems.
Only the
isopropyl
alcohol
procedure
is listed
below.
a.
Soak
component
soft goods
or aluminum
parts
in a tray of isopropyl
alcohol
for 10 minutes
maximum.
b.
Wipe
each
piece
of soft good
individually
with wipes
soaked
in isopropyl
alcohol.
Do this until all dirt and
foreign
matter
is visually
removed.
c.
Rinse
soft goods
with fresh
isopropyl
alcohol.
d.
Blow dry with air, nitrogen,
or helium.
3-46
