TM 9-6115-668-13
7.
Remove screw (28), washer (27) from top (17) of two step fuel filter.
8.
Remove filter cup (24), sealing ring (26) and filter insert (25). Discard sealing ring (26) and filter in-
sert (25).
9.
Empty remaining fuel from filter cup(24) into drain pan.
INSTALLATION
NOTE
Item (15) Is felt filter element and Item (25) Is paper filter element.
1.
Place new sealing ring (23) on drain plug (22) and install drain plug (22) in filter cup (24).
2.
Place filter insert (25) into filter cup (24).
NOTE
Bleed screws (19) and (30) should not be tightened prior to bleeding
two step fuel filter.
3.
To prevent leaks, apply a thin coating of lubricating grease to the tops of new sealing rings (16, 26),
insert into top (17) of two step fuel filter, and push firmly in.
4.
Fill filter cup (24) with fuel to within 1 inch (2.5 cm) of rim.
5.
Align filter cup (24) with filter insert (25) directly below top (17) and secure with screw (28) and
washer (27).
6.
Install bleed screw (30) and new sealing ring (29).
7.
Place new sealing ring (13) on drain plug (12) and install filter cup (14).
8.
Insert filter insert (15) into filter cup (14).
9.
Fill filter cup (14) with fuel to within 1 inch (2.5 cm) of rim.
10. Align filter cup (14) with filter insert (15) directly below top (17) and secure with screw (21) and
washer (20).
11. Install bleed screw (19) and new sealing ring (18).
12. Bleed two step fuel filter set (see paragraph 4.39).
13. Close flap (1).
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