TM 10-5410-221-14/1
Section II. EXTERNAL WATER AND DRAIN HOSE ASSEMBLIES
removed using a plumber's snake or other suitable
10-6. General
cleaning tool.
This section contains the water system external water
d. Installation. Install the dual hot and cold water hose
and drain hose assemblies used to connect an external
assembly by inserting the hose assembly fittings over the
supply of hot and cold water to the shelter water service
hot and cold water unions.
inlet box, or outlet box if an adjacent shelter is used. The
drain hose assembly provides a means of d raining
waste water to an area away from shelter.
10-8. Water Drain Hose
a. General. The drain hose assembly is a heavy duty
neoprene hose used to provide waste water drainage
10-7. Hot and Cold Water Hose
away from the expandable shelter.
a. General. The hot and cold water hose assembly is
a dual heavy duty neoprene hose used to supply the
NOTE
shelter with hot and cold water.
Shelters used in areas with ambient
temperatures below 38F 3C) must be
NOTE
equipped with an electrically heated
Shelters used In areas with ambient
hose assembly.
temperatures below 38F (3C) must be
b. Removal.
equipped with an electrically heated
(1) Detach from the drain union at the water service
hose assembly
inlet or outlet boxes.
b. Removal.
(2) Detach the drain hose heater receptacle, if
(1) Detach the dual hot and cold water hose from
used, from the receptacle at the water service inlet or
hot and cold water union at the water service inlet or
outlet water boxes.
outlet boxes.
c. Overhaul. Overhaul the drain hose assembly using
(2) Detach the water hose heater receptacle if used,
procedures required to return to a serviceable condition
from the receptacle at the water service inlet or outlet
as follows:
boxes.
(1) Dress any nicks, scratches, or burrs on fittings
c. Repair and Overhaul. Repair or overhaul the dual
with emery cloth, and pressure test for leaks.
hot and cold water hose assemblies as required to return
(2) Minor cuts or abrasions on the rubber portion of
to a serviceable condition as follows:
the hose are acceptable if normal function of the hose is
(1) Dress any nicks, scratches, or burrs on fittings
not impaired. Cover abrasions and minor cuts with vinyl
with emery cloth, and pressure test for leaks.
or mylar tape. Minor cuts or holes which extend to the
(2) Minor cuts or abrasions on the rubber portion of
interior of the hose shall be repaired by vulcanizing a
the hose are acceptable if normal function of the hose is
rubber patch over the hole or cut in accordance with
not impaired. Cover abrasions and minor cuts with vinyl
manufacturer's instructions.
or mylar tape. Minor cuts or holes which extend to the
(3) Clean the hose assembly by blowing out with
interior of the hose shall be repaired by vulcanizing a
compressed air. Large obstructions in the hose shall be
rubber patch over the hole or cut in accordance with
removed using a plumber's snake or other suitable
manufacturer's instructions.
cleaning tool.
(3) Clean the hose assembly by blowing out with
d. Installation. Install the drain hose assembly by
compressed air. Large obstructions in the hose shall be
inserting the hose assembly fitting over the drain union.
10-4
