TM 5-3895-373-20
2.23.5. REPLACE ENGINE FUEL FILTER ELEMENT -Continued.
A.
REMOVE - Continued.
WARNING
Fuel is very flammable and can
explode easily. To avoid serious
injury or death:
Always wear safety glasses/goggles
at all times.
Keep at least a B-C fire extinguisher
within easy reach when working with
fuel or on a fuel system.
Do not work on fuel system when
engine is hot; fuel can be ignited by a
hot engine.
Post signs that read "NO SMOKING
WITHIN 50 FEET" when working with
open fuel lines or fuel tanks.
c.
Unthread
tube
coupling
nuts
(2)
and
remove
metal
tube
(3)
from
multiple
connector (4).
d.
Loosen fluid passage bolt (5) enough to
rotate multiple connector (4) to gain access
to bolt (6).
2.
REMOVE FUEL FILTER ELEMENT.
a.
Wrap fuel filter element (7) and bottom
cover (8) with a machinery wiping towel.
b.
Hold fuel filter element (7), bottom cover
(8), and the machinery wiping towel and
remove bolt (6).
c.
Remove fuel filter element (7) and bottom
cover (8) together. Drain trapped fuel into a
drip pan.
CAUTION
Use caution when removing seals
and preformed packings. Scratched
or dented seal grooves can cause
bypass
leakage.
Do
not
use
excessive force when removing seals
and preformed packings. Use an o-
ring
tool
to
remove
seals
and
preformed packings.
d.
Separate fuel filter element (7) from bottom
cover (8) and remove and discard bottom gasket (9).
Remove top gasket (10) from filter head (11) with an o-
ring tool. Discard top gasket.
e.
Remove thumbscrew (12) and gasket (13)
from bottom cover (8). Inspect the gasket for rips, tears,
or deformation. Discard the gasket if damaged.
f.
Remove preformed packing (14) and flat
washer
(15)
from
bolt
(6).
Discard
preformed packing.
g.
Use an o-ring tool and remove seal (16)
from filter head (11). Discard seal.
h.
Dispose
of
fuel
filter
element
(7),
contaminated machinery wiping towels, and
waste
fuel
in
accordance
with
local
procedures.
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