TM 9-6920-430-14
3-17. TRAINER FILL PORT COVER, RETAINING RING, AND PREFORMED
PACKING REPLACEMENT (Figure 3-3).
a.
Loosen the small bleed screw (2) located on the fill port cover (1) two turns
counterclockwise to permit safe venting of any gas trapped in fill port well.
b.
Using a large flat-blade screwdriver, loosen (turning counterclockwise) and remove
the fill port cover (l).
c.
Remove the preformed packing (5) from the fill port inlet (3) using a spudger (Item
No. 17, Appendix E).
d.
Inspect retaining ring (4) to assure proper seating.
e.
Insert replacement preformed packing into fill port inlet and reinstall the fill port
cover (1).
Figure
3-3.
Retaining Ring and Packing Replacement
Change 3
3-75