TM 10-5410-221-24
Section II. EXTERNAL WATER AND DRAIN HOSE ASSEMBLIES
tape. Minor cuts or holes which extend to the-interior of
the hose shall be repaired by vulcanizing a rubber patch
over the hole or cut in accordance with manufacturer's
This section contains the water system external water
instructions.
and drain hose assemblies used to connect an external
(3) Clean the hose assembly by blowing out
supply of hot and cold water to the shelter water service
with compressed air. Large obstructions in the hose
inlet box, or out let box if an adjacent shelter is used.
shall be removed using a plumber's snake or other
The drain hose assembly provides a means of draining
suitable cleaning tool.
waste water to an area away from shelter.
d. Installation. Install the dual hot and cold water
hose assembly by inserting the hose assembly fittings
over the hot and cold water coupling assembly (19, fig.
a. General.
The hot and cold water hose
9-1) or
hot and cold water outlet coupling (76).
assembly is a dual heavy duty neoprene hose used to
supply the shelter with hot and code water.
Note. Shelters used in areas with ambient temperatures
a.
General. The drain hose assembly is a heavy
below 38F must be equipped with an electrically heated
duty neoprene hose used to provide waste water
hose assembly.
drainage away from the expand-able shelter.
b.
Removal.
Note. Shelters used in areas with ambient temperatures
below 385F must be equipped with an electrically heated
(1) Detach the dual hot and cold water: hose
hose assembly.
from the quick disconnect hot and cold water coupling
b. Removal.
(19, fig. 9-1) at the water: service inlet or outlet boxes.
(1) Detach from the drain quick disconnect
(2) Detach the water hose heater receptacle if
type connector at the water service inlet or outlet boxes
used, from the receptacle at the water: service inlet or
outlet boxes.
c. Repair and Overhaul. Repair or overhaul the
(2) Detach the drain hose heater receptacle,
if used, from the receptacle at the water service inlet or
dual hot and cold water hose assemblies as required to
outlet water boxes.
return to a serviceable condition as follows.
c. Overhaul. Overhaul the drain hose assembly
(1) Dress any nicks, scratches, or burrs on
fittings with emery cloth, and pressure test for leaks.
d. Installation. Install the drain hose assembly by
(2) Minor cuts or abrasions on the rubber
inserting the hose assembly fitting over the drain
portion of the hose are acceptable if normal function of
coupling (32, fig. 9-1) or drain coupling assembly (78).
the hose is not impaired. Cove abrasions and minor cuts
with vinyl or mylar