TM 9-2350-287-20-1
4-20. FILLER NECK ASSEMBLY SEAL REPLACEMENT.
This Task Covers:
a. Removal
b. Installation
Initial Setup:
Tools/Test Equipment:
Equipment Conditions:
• General mechanic’s tool kit
• Vehicle parked on level ground (refer to
(Item 24, Appendix I)
TM 9-2350-287-10).
Materials/Parts:
• Silicone compound (Item 64, Appendix D)
a.
1.
2.
3.
b.
1.
2.
3.
4.
5.
REMOVAL
Open fuel fill access door (1).
Remove fuel fill cap (8) and chain (9) from fuel filler neck (7).
Remove eight screws (2), washer (3), outer seal (4), inner seal (5), and washer (6) from around fuel filler neck
(7).
INSTALLATION
NOTE
Seals are made eccentric so they can be adjusted. Filler neck may not be centered in filler neck hole.
Adjust accordingly.
Apply silicone compound to outer and inner seals (4 and 5).
Place inner seal (5) inside outer seal (4). Turn outer and inner seals (4 and 5) to aline screw holes in seals.
Position washer (3) on top and washer (6) on bottom, alining threaded holes on each washer (3 and 6) with
holes in seals (4 and 5).
Install eight screws (2) and turn three or four turns. Do not tighten screws.
NOTE
Tightening or loosening of screws may be required during seal assembly installation.
Position and drive outer and inner seals (4 and 5) with attached top and bottom washers (3 and 6) into fuel
filler neck (7).
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