d. Disassembly and Removal of Canister and Filter
(1) Loosen nuts and washers until each nut
is flush with the end of bolt. Each bolt can then be
raised and rotated 180 degrees so the flanged
portion of the bolt head is clear of cover.
(2) Remove cover and discard gasket.
(3) Remove screws, washers and the filter
canister bracket assembly.
(4) Remove filter element from tank and
remove aluminum plug. Inspect for clogged or
ruptured element. If damaged, replace.
(5) Remove canister assembly from tank.
(6) Inspect canister for cleanliness and torn
mesh. If mesh is torn, replace.
(7) Remove grommet and standpipe from
the canister. Remove grommet from standpipe.
(1) Clean inside of tank by washing with
(2) Clean canister by washing with clean
f. Assembly of Canister and Filter Element.
Make certain the grommet is properly seated
around the canister. The grommet should
cover the mesh screen.
(1) Install the grommet on the standpipe.
Place the canister over the standpipe and press
canister into the grommet. Press the canister
assembly over the outlet pipe until the grommet is
seated to the shoulder of the inlet pipe.
The outlet pipe is the higher pipe of the two within
(2) Install the aluminum plug in one end of
the filter element. Place the opposite end of the
element over the inlet pipe and press down until the
bottom makes contact with the shoulder of the inlet
The bracket assembly is not intended to seat
on the welded projections inside the housing.
Do not attempt to seat the bracket assembly to
the projections as this will result in damage to
(3) Position the bracket assembly over the
projections inside of the tank. Install washers and
(4) Insert the cover gasket in the groove of
(5) Center the cover over the tank.
(6) Raise the four bolts and rotate until the
flanged portion of the bolt is over the cover.
Tighten the nuts uniformly.
g. Refilling Filter/Separator.
(1) To refill the filter/separator, close the
manual outlet valve and open the manual pressure
event valve to permit air to be expelled until the
unit is full of fuel.
(2) Close the vent valve and slowly open the
outlet valve. If the filter element has been
ruptured, place the outlet hose in the fuel source
and recirculate for five minutes to remove any
foreign material from the system.
3-8. Ejector Assembly Inspection
Inspect ejector assembly (fig. 1-15, sheet 3
of 7) for damaged fittings, crossed threads, broken
welds and missing hardware.
3-9. Wiring Harness Inspection.
Inspect all accessible wiring harnesses for
burned, broken, frayed or loose wires, damaged
connector pins, terminals and connectors.
Section III. Troubleshooting
Operator/crew troubleshooting is limited to visual inspection. Malfunctions requiring determination of
cause of trouble or the replacement of parts shall be reported to organizational maintenance.