TM 5-4610-218-12
Section II. DESCRIPTION AND DATA
1-6. Description.
each side and one at the rear, for leveling the unit.
The van body bonnet contains an installed person-
a. General. The 1500 gph (gallons per hour)
nel heater. The upper and lower side doors (fig. 1-3),
water purification unit is installed in a van type
when open, permit removal or replacement of the
body, mounted on a 2 1/2-ton truck. Supporting
erdlator assembly and may be used as an operating
equipment required for the unit includes a 10 KW
platform in temperate weather
(kilowatt) engine-driven generator set, mounted on
a. Standard 1 1/2 ton cargo trailer. Three collapsible
c . Personnel Heater.
Each van body
i s equipped w i t h a gasoline burning
fabric tanks, each with a capacity of 1500 gallons,
are required for operation. Three portable centrifu-
p e r s o n n e l heater located in the bonnet
e n d of t h e van body. It is used to
gal pumps, two being electric driven, and one gas-
maintain
oline engine driven, along with a 30-day supply of
above
freezing
temperatures
inside the van b o d y and protect the
chemicals and the necessary hose assemblies are in-
equipment
cluded with this unit. The primary purpose of the
and personnel during cold
weather. For operating and maintenance
water purification unit is to produce potable and
instructions
o f h e a t e r , r e f e r to TM
palatable drinking water from fresh water sources,
5-4520-233-14,
Heater,
at the rate of 1500 gallons per hour. The mainte-
Space
Model
nance paragraphs of this manual contains detailed
UH-68D.
descriptions of its components. No known differ-
d. Erdlator Assembly.
ences of this model exist.
(1) General. The erdlator assembly includes
NOTE
the agitator speed reducer and drive motor, sup-
See SC 461-97-CL-E05 for variation
ported by the bridge rail assembly (fig. 1-4). Other
of end items components for use in
components of the erdlator assembly (fig. 1-4) are
CONUS (Continental United States)
two influent launders, an effluent launder, wet well
and MAP (Mutual Assitance Pro-
tank, sludge concentrator tank, slurry weir box,
gram) countries.
downcomer tube and the agitator shaft (with disks).
It is mounted on a separate steel plate, attached to
b. Van Body. The van body has a rear door (fig.
the van body floor. The erdlator assembly reduces
1-2) and a side door. A ladder is supplied for each
the contents or the organic and suspended matter of
door. It has four lifting shackles (fig. 1-2), two at
the water, producing an effluent suitable for appli-
the lower front and two at the lower rear corners.
cation to the diatomite filter.
The van is equipped with two separate electric sys-
tems; a 24-volt dc, and a 120-volt ac. It has clear-
(2) Erdlator tank. The erdlator tank is a cir-
ance lights at the front and rear. The front lights
cular, funnel-shaped unit of one-piece aluminum
are located at the center and corners, and consist of
construction, with a capacity of approximately 530
seven amber lights for normal operation and four
gallons. A stub shaft and bearing support (fig. 1-4)
white lights equipped with blackout shields. The
for the agitator is mounted in the bottom of the
rear lights consist of seven red lights for normal
tank. There is a baffle ring near the bottom, secured
operation and the four white lights equipped with
to the tank with a series of short baffles which sup-
blackout shields. Four amber reflectors are moun-
port the downcomer tube. A draw-off port is located
ted on the front lower portion of the body and four
opposite the slurry weir box and another near the
red reflectors on the rear lower portion. A filtered
top which opens into the wet well. There are two
water outlet cap is located on the left side of the van
drains, an upper one for partial draining and the
body. There are two waste water outlet caps, one on
lower one for complete draining. The erdlator tank
each side of the van body, and two cable outlet caps,
serves as a separator which hydraulically separates
one located on each side of the van body. There is a
the slurry blanket from the clear water in the upper
water inlet on the right side of the van body. There
section of the tank, in what is termed as the sepa-
are three screened windows, one on each side and
rator zone. It also serves as a clarifier, as the flow of
one at the rear. The side windows are stationary, but
coagulated water is deflected at the bottom of the
the rear one can be opened with a crank from the
tank and directed in an upward rotating direction
inside. The van is equipped with three levels, one on
into the clarification zone.
Change 1
1-4
