TM 9--2350--292--20--1
0221 00--2
FUEL/WATER SEPARATOR OPERATION TESTS -- CONTINUED
0221 00
Manual Drain Test--Continued
NOTE
Be careful not to disturb center filter element during test.
Center filter element must be replaced if disturbed in any
way.
It may be necessary to unseat sensor probes by tapping
upward on edge of sensor retaining nut.
5. Remove upper sensor probe (2) from fuel/water separator (1).
6. Open and close bleed cap (10). Check to see if fluid level is above upper sensor probe (2) hole by noting leakage
from upper sensor probe (2) hole when bleed cap (10) is opened.
7. Remove upper sensor retaining nut (11) and install screw (12) into upper sensor probe (2) hole.
NOTE
It may be necessary to remove screw (9) and move fuel/
water separator prior to removing lower sensor probe. If
screw is removed, reinstall screw (9) after removing
probe.
8. Remove lower sensor probe (3) from fuel/water separator (1).
9. Remove lower sensor retaining nut (13) and install screw (14) into lower sensor probe (3) hole.
10. If fuel did not leak from upper sensor probe (2) hole, remove screw (12) from upper sensor probe (2) hole and
proceed to step 11. If fuel did leak from upper sensor probe (2) hole, proceed to step 14.
Figure 29
2
3
12
1
9
10
1
11
13
14