b. Detailed Description. The filter-separator
functions in the following manner:
This manual covers only the model 844-5-V-100AL
(1) Filter element. The filter element consists
filter-separator. No known differences exist for the
of a perforated center tube surrounded by a pleated
model covered by this manual.
paper tube filtering material, which is in turn
wrapped with several layers of fiberglass matts,
a. Identification. The filter-separator has one
each of which performs a function in the filtering
identification plate located above the sight gage on
and coalescing process. Fuel enters the filter
the side of the tank. The identification plate
through the perforated center tube and passes
specifies military specification number, design
toward the outside of the element. The function of
activity code number, manufacturer, element
the pleated paper tube material is to remove solid
quantity, maximum working pressure, weight,
contaminants from the fuel. Upon reaching the
Federal stock number, model number, contract
exterior of the pleated paper tube, the fuel with its
number, and date of manufacture.
entrained water passes through the layers of
b. Tabulated Data.
fiberglass, which coalesces the entrained water into
(1) Identification.
large droplets which fall by gravity to the sump
Manufacturer . . . . . . . . . . . . . Keene Corp., Fluid Handling
upon reaching the element outer surface. The
Div.
outside wrap of the element is fiberglass screen
Model number . . . . . . . . . . . . 844-5-V-100AL
which supports the element against rupture from
Specification No . . . . . . . . . . . 52556C
Federal stock no. . . . . . . . . 4330-491-4957
high differential pressures.
Contract no . . . . . . . . . . . . . . . DAAK02-72-C-0280
(1) Canister. The canister is a cylindrical
(2) Description.
device which functions to prevent small water
Capacity . . . . . . . . . . . . . . . . . 100 GPM
droplet carryover to the effluent stream. The
Element, quantity . . . . . . . . .5
canister is constructed with an outer tube of per-
Working pressure max . . . . 75 PSI
Weight . . . . . . . . . . . . . . . . . . . 100 pounds
forated metal, lined internally with teflon-coated
Date of manufacture . . . . . . . . . 1972
screen, which in turn is protected by an aluminum
(3) Elements.
wire mesh inner screen. The teflon-coated screen
Part number . . . . . . . . . . . . . MIL-F-52308
allows clean fuel to pass through, while repelling
Federal stock no. . . . . . . . . . 4330-983-0998
the water droplets to keep them within the canister.
(4) Canisters.
One end of the canister is open for water drop-out
Part number . . . . . . . . .13216E2773
Federal stock no. . . . . . . . . . 4330-112-0256
while the other end has a blank metal cap con-
(5) Differential pressure indicator.
taining a raised metal boss. This metal boss fits into
Part number . . . . . . . . . . . . . Dwg. 27N22
the element and acts as a seal against by-pass flow.
Manufacturer . . . . . . . . . .Keene Corp., Fluid Handling
The seal for the other end of the element is a stool
Div. (08181)
attached to the internal deck plate of the vessel.
Federal stock no. . . . . . . . . 6685-451-3274
